# Building permits at 450 Commonwealth Av, Boston, MA

The biggest project within a quarter mile since May 1: a $2.3M alteration or repair at 498-528 Commonwealth Av, permitted Aug 25.

Two permits on record here. The newest, Apr 3: Provide 1 x 45kVA portable diesel generator 120/208V 3 phase and all associated outdoor rated electrical. Within a quarter mile, the city has issued 132 more permits (130 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Apr 3, 2026 | Electrical | Provide 1 x 45kVA portable diesel generator 120/208V 3 phase and all associated outdoor rated electrical distribution equipment for production equipment Boston Marathon event 4/19 and 20/2026. Event Date is 4/20/26. Bart McCracken. | $5,000 | [ETS1836082](https://nearbypermits.com/boston/permit/ETS1836082/) |
| Mar 31, 2025 | Electrical | Provide 1 x 45KW Generator, 120/208V, 3 Phase and all outdoor rated portable electrical distribution equipment powering production Sound, Lighting, Video and related event equipment for one day 4/21/25 (Boston Marathon) Bart McCracken | $5,000 | [ETS1704145](https://nearbypermits.com/boston/permit/ETS1704145/) |

## Within ¼ mi since May 1, 2026

132 permits in the circle. From our copy of the city's data (last 24 months).

### This block (250 to 1,000 ft), 73 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [464-466 Commonwealth Av](https://nearbypermits.com/boston/address/464--466-commonwealth-av/) | 290 ft W | Alteration or repair | Repoint all sides of the courtyard walls on the rear of the building. Replace bricks as needed. Refinish lintels and sills as needed. | $420,000 | [SF1902180](https://nearbypermits.com/boston/permit/SF1902180/) |
| Oct 1, 2026 | [534-538 Beacon St](https://nearbypermits.com/boston/address/534--538-beacon-st/) | 730 ft N | Plumbing | Unit 301 Replacing bathtub with Shower | $3,000 | [PL1896110](https://nearbypermits.com/boston/permit/PL1896110/) |
| Sep 28, 2026 | [449 Marlborough St](https://nearbypermits.com/boston/address/449-marlborough-st/) | 610 ft NE | Alteration or repair | Demo kitchen and bathroom to studs and build back the same | $60,000 | [SF1900776](https://nearbypermits.com/boston/permit/SF1900776/) |
| Sep 25, 2026 | [487 Commonwealth Av](https://nearbypermits.com/boston/address/487-commonwealth-av/) | 600 ft NW | Roofing | rear elevation waterproofing. replace copper gutters with new copper gutters. flash and seal 22 windows | $41,850 | [SF1899983](https://nearbypermits.com/boston/permit/SF1899983/) |
| Sep 21, 2026 | [497 Beacon St](https://nearbypermits.com/boston/address/497-beacon-st/) | 940 ft NE | Fire systems | Alter and modify existing manual fire alarm system per 780 cmr, chapter 34. | $10,500 | [EFA1901893](https://nearbypermits.com/boston/permit/EFA1901893/) |
| Sep 17, 2026 | [25 Bay State Rd](https://nearbypermits.com/boston/address/25-bay-state-rd/) | 720 ft NW | Plumbing | Replacing existing plumbing fixtures in Unit #5 | $2,000 | [PL1901932](https://nearbypermits.com/boston/permit/PL1901932/) |
| Sep 16, 2026 | [383 Commonwealth Av](https://nearbypermits.com/boston/address/383-commonwealth-av/) | 700 ft E | Electrical | Replace meter centers and service feeds. No change to service, replacement is a one for one swap. | $10,000 | [E1901433](https://nearbypermits.com/boston/permit/E1901433/) |
| Sep 15, 2026 | [387 Commonwealth Av](https://nearbypermits.com/boston/address/387-commonwealth-av/) | 650 ft NE | Electrical | Replace meter centers and service feeds. No change to service, replacement is a one for one swap. | $10,000 | [E1901434](https://nearbypermits.com/boston/permit/E1901434/) |
| Sep 11, 2026 | [464-466 Commonwealth Av](https://nearbypermits.com/boston/address/464--466-commonwealth-av/) | 290 ft W | Plumbing | remodel of condo with new bathroom fixtures and new kitchen fixtures | $8,400 | [PL1900561](https://nearbypermits.com/boston/permit/PL1900561/) |
| Sep 10, 2026 | [374 Commonwealth Av](https://nearbypermits.com/boston/address/374-commonwealth-av/) | 850 ft E | Alteration or repair | Repair existing wall-mounted cantilevered canopy by removing deteriorated material and replacing it with custom-fabricated iron components. Reinforce bracket supports with new bolts. Prime and paint repaired areas. Obtain Boston Fire Department Hot Work Permit and provide Fire Marshal. | $4,000 | [SF1887479](https://nearbypermits.com/boston/permit/SF1887479/) |
| Sep 9, 2026 | [145-151 Ipswich St](https://nearbypermits.com/boston/address/145--151-ipswich-st/) | 780 ft SW | Sign | Replace existing Lucky Strike signage with new & updated signage. Install window vinyl. | $18,800 | [ALT1893936](https://nearbypermits.com/boston/permit/ALT1893936/) |
| Sep 8, 2026 | [520 Beacon St](https://nearbypermits.com/boston/address/520-beacon-st/) | 840 ft NE | Plumbing | Replace commercial boiler | Not listed | [PL1897632](https://nearbypermits.com/boston/permit/PL1897632/) |
| Sep 5, 2026 | [1089-1091 Boylston St](https://nearbypermits.com/boston/address/1089--1091-boylston-st/) | 970 ft SE | Plumbing | Remodeling of bathroom. Toilet, tub/shower, lavatory sink | $1,500 | [PL1897555](https://nearbypermits.com/boston/permit/PL1897555/) |
| Sep 4, 2026 | [464-466 Commonwealth Av](https://nearbypermits.com/boston/address/464--466-commonwealth-av/) | 290 ft W | Alteration or repair | Renovate existing kitchen and bathroom in Unit 203A. Replace cabinets, counters, some appliances, fixtures, tile and finishes. Open/repair walls as needed for plumbing/electrical access, with no structural alterations. Separate trade permits. No egress, occupancy or use changes. | $35,000 | [SF1897165](https://nearbypermits.com/boston/permit/SF1897165/) |
| Sep 2, 2026 | [583 Beacon St](https://nearbypermits.com/boston/address/583-beacon-st/) | 440 ft NW | Roofing | Demo deck, roofing, & flashings. Install new roof insulation & membrane. Install new metal flashings, gutter & downspouts. Replacement skylights. Re-install deck in original footprint and anchor points. Reinstall railings in original locations. | $66,000 | [SF1842089](https://nearbypermits.com/boston/permit/SF1842089/) |
| Sep 2, 2026 | [497 Beacon St](https://nearbypermits.com/boston/address/497-beacon-st/) | 940 ft NE | Plumbing | Gas piping for Stoves Units 11 & 12 | $2,000 | [G1896188](https://nearbypermits.com/boston/permit/G1896188/) |
| Aug 31, 2026 | [497 Beacon St](https://nearbypermits.com/boston/address/497-beacon-st/) | 940 ft NE | Plumbing | Plumbing for 2 new residential units on lower two floors. | $30,000 | [PL1837207](https://nearbypermits.com/boston/permit/PL1837207/) |
| Aug 31, 2026 | [532 Beacon St](https://nearbypermits.com/boston/address/532-beacon-st/) | 750 ft N | Fire systems | Replacing existing fire system with new addressable fire system (firelite and safety sensor)Approved Tier-1 only.;Tier-2 Requirements: To qualify for Tier-2 approval, a beacon must be provided. If clearance heights are restricted, the wall-mounted beacon must still be installed between 80 and 96 inc | $36,000 | [ALT1889619](https://nearbypermits.com/boston/permit/ALT1889619/) |
| Aug 28, 2026 | [431 Marlborough St](https://nearbypermits.com/boston/address/431-marlborough-st/) | 800 ft NE | Plumbing | Repairing burst in 1/2 inch silcoc line. Replace kitchen faucet | $450 | [PL1890321](https://nearbypermits.com/boston/permit/PL1890321/) |
| Aug 25, 2026 | [498-528 Commonwealth Av](https://nearbypermits.com/boston/address/498--528-commonwealth-av/) | 990 ft W | Alteration or repair | Interior renovation of a former restaurant to a "Spaghetti Bar". Work includes select demolition, install of new flooring, millwork finishes, ceiling tile, folding windows at the existing solarium and steel to support the marquee sign. Please note that the actual address is 528 Commonwealth Ave no l | $2,287,363 | [ALT1870857](https://nearbypermits.com/boston/permit/ALT1870857/) |
| Aug 21, 2026 | [520 Beacon St](https://nearbypermits.com/boston/address/520-beacon-st/) | 840 ft NE | Alteration or repair | Remove and dispose all 15 window trims from the bay window on the left side of the rear façade Install 15 new wooden trims on the rear façade, keeping the existing aesthetic Seal all 15 new wooden trims with exterior grade sealant Prepare and paint the trims to match the original color | $10,000 | [SF1889078](https://nearbypermits.com/boston/permit/SF1889078/) |
| Aug 21, 2026 | [407-411 Commonwealth Av](https://nearbypermits.com/boston/address/407--411-commonwealth-av/) | 400 ft NE | Electrical | Swap 20 fixtures | $5,000 | [E1882771](https://nearbypermits.com/boston/permit/E1882771/) |
| Aug 20, 2026 | [470 Commonwealth Av](https://nearbypermits.com/boston/address/470-commonwealth-av/) | 390 ft W | Electrical | Install hardwired smoke detectors/carbon monoxide detectors in all common hallways | $3,500 | [E1890180](https://nearbypermits.com/boston/permit/E1890180/) |
| Aug 18, 2026 | [527-529 Beacon St](https://nearbypermits.com/boston/address/527--529-beacon-st/) | 640 ft NE | Alteration or repair | 529 beacon st unit# 11 Kitchen and bathroom renovation Including floor and painting | $45,000 | [SF1884320](https://nearbypermits.com/boston/permit/SF1884320/) |
| Aug 17, 2026 | [528 Beacon St](https://nearbypermits.com/boston/address/528-beacon-st/) | 790 ft NE | Plumbing | Renovation on Unit 06: First floor - 1 Kitchen, 1 electric laundry and 1 3/4 bathroom. | $8,000 | [PL1887781](https://nearbypermits.com/boston/permit/PL1887781/) |
| Aug 14, 2026 | [527-529 Beacon St](https://nearbypermits.com/boston/address/527--529-beacon-st/) | 640 ft NE | Electrical | kitchen, Laundry, bathroom and one Bedroom renovation. Unit 6 | $11,500 | [E1886044](https://nearbypermits.com/boston/permit/E1886044/) |
| Aug 12, 2026 | [21-23 Bay State Rd](https://nearbypermits.com/boston/address/21--23-bay-state-rd/) | 690 ft NW | Electrical | 2 bathrooms laundry room | $26,000 | [E1885724](https://nearbypermits.com/boston/permit/E1885724/) |
| Aug 11, 2026 | [400-416 Commonwealth Av](https://nearbypermits.com/boston/address/400--416-commonwealth-av/) | 390 ft E | Alteration or repair | Interior Demo Only Selective interior demolition within existing condominium Unit 301, including removal of non-load-bearing partitions, kitchen cabinetry, bathroom finishes and fixtures, flooring, ceilings, and miscellaneous interior finishes. No structural demolition, change of occupancy, or exter | $30,000 | [SF1884051](https://nearbypermits.com/boston/permit/SF1884051/) |
| Aug 7, 2026 | [532 Beacon St](https://nearbypermits.com/boston/address/532-beacon-st/) | 750 ft N | Fire systems | replace existing fire alarm system with an addressable system | $15,000 | [EFA1882129](https://nearbypermits.com/boston/permit/EFA1882129/) |
| Aug 3, 2026 | [636-638 Beacon St](https://nearbypermits.com/boston/address/636--638-beacon-st/) | 890 ft W | Plumbing | I will replace existing boiler with same exact boiler, all piping will remain just doing swap out of boiler | $15,000 | [G1881395](https://nearbypermits.com/boston/permit/G1881395/) |
| Aug 3, 2026 | [497 Beacon St](https://nearbypermits.com/boston/address/497-beacon-st/) | 940 ft NE | Electrical | Renovation 2 story apartament unit, unit 11 and unit 12, | $45,000 | [E1880550](https://nearbypermits.com/boston/permit/E1880550/) |
| Jul 31, 2026 | [51 Massachusetts Av](https://nearbypermits.com/boston/address/51-massachusetts-av/) | 870 ft NE | Electrical | Power feed to existing DAS node location. Site ID - BB-02 (Mass Ave @ Comm Ave Bridge) | $15,000 | [E1880948](https://nearbypermits.com/boston/permit/E1880948/) |
| Jul 29, 2026 | [21-23 Bay State Rd](https://nearbypermits.com/boston/address/21--23-bay-state-rd/) | 690 ft NW | Plumbing | Renovation of 2 bathrooms on 2nd floor of 23 Bay State | $5,000 | [PL1877852](https://nearbypermits.com/boston/permit/PL1877852/) |
| Jul 27, 2026 | [528 Beacon St](https://nearbypermits.com/boston/address/528-beacon-st/) | 790 ft NE | Plumbing | Renovation Third floor unit 17: 1 kitchen, 1 laundry and 1 3/4-bathroom. | $8,000 | [PL1875856](https://nearbypermits.com/boston/permit/PL1875856/) |
| Jul 23, 2026 | [397 Commonwealth Av](https://nearbypermits.com/boston/address/397-commonwealth-av/) | 530 ft NE | Other | Per ALT1855252 - Install fall protection at roof. Safety requirement. | $8,000 | [A1874834](https://nearbypermits.com/boston/permit/A1874834/) |
| Jul 22, 2026 | [407-411 Commonwealth Av](https://nearbypermits.com/boston/address/407--411-commonwealth-av/) | 400 ft NE | Alteration or repair | Replace kitchen countertop, sink and faucet. Replace tile backsplash in kitchen. Replace bathroom faucet. Remove and replace decorative lighting fixtures. Install new millwork in living room and replace interior trim. Paint and wallpaper thoroughout | $575,000 | [SF1863431](https://nearbypermits.com/boston/permit/SF1863431/) |
| Jul 22, 2026 | [528 Beacon St](https://nearbypermits.com/boston/address/528-beacon-st/) | 790 ft NE | Plumbing | Renovation on second floor: 1 Kitchen, 1 laundry and 1 3/4-bath. Unit #11 | $8,000 | [PL1875107](https://nearbypermits.com/boston/permit/PL1875107/) |
| Jul 21, 2026 | [1109-1111 Boylston St](https://nearbypermits.com/boston/address/1109--1111-boylston-st/) | 860 ft SE | Electrical | Re wire 3 rooms,kitchen and bathroom. Install new panel | $15,000 | [E1875174](https://nearbypermits.com/boston/permit/E1875174/) |
| Jul 21, 2026 | [527-529 Beacon St](https://nearbypermits.com/boston/address/527--529-beacon-st/) | 640 ft NE | Electrical | Rewire Kitchen, Bathroom, Laundry and Bedroom. Apartment 17. | $15,000 | [E1874288](https://nearbypermits.com/boston/permit/E1874288/) |
| Jul 21, 2026 | [527-529 Beacon St](https://nearbypermits.com/boston/address/527--529-beacon-st/) | 640 ft NE | Electrical | Rewire Kitchen, Bathroom, Bedroom and Laundry. Apartment 11 | $15,000 | [E1874287](https://nearbypermits.com/boston/permit/E1874287/) |
| Jul 10, 2026 | [534-538 Beacon St](https://nearbypermits.com/boston/address/534--538-beacon-st/) | 730 ft N | Alteration or repair | Install 8 windows for replacement. No structural changes. Work to be done in unit #407 admin: 5-13-2026 | $51,547 | [SF1868587](https://nearbypermits.com/boston/permit/SF1868587/) |
| Jul 10, 2026 | [370 Commonwealth Av](https://nearbypermits.com/boston/address/370-commonwealth-av/) | 940 ft E | Plumbing | Plumbing work to install (1) new gas-fired water heater and relocate existing. | $32,400 | [PL1870974](https://nearbypermits.com/boston/permit/PL1870974/) |
| Jul 10, 2026 | [370 Commonwealth Av](https://nearbypermits.com/boston/address/370-commonwealth-av/) | 940 ft E | Plumbing | Gas work to install (1) new gas-fired water heater & relocate existing | $9,100 | [G1870976](https://nearbypermits.com/boston/permit/G1870976/) |
| Jul 8, 2026 | [528 Beacon St](https://nearbypermits.com/boston/address/528-beacon-st/) | 790 ft NE | Alteration or repair | Kitchen and bathroom Flooring and painting | $45,000 | [SF1862101](https://nearbypermits.com/boston/permit/SF1862101/) |
| Jul 8, 2026 | [528 Beacon St](https://nearbypermits.com/boston/address/528-beacon-st/) | 790 ft NE | Alteration or repair | Kitchen and bathroom renovation Also floor and paiting | $45,000 | [SF1862097](https://nearbypermits.com/boston/permit/SF1862097/) |
| Jul 6, 2026 | [451 Marlborough St](https://nearbypermits.com/boston/address/451-marlborough-st/) | 580 ft NE | Electrical | Electrical to (3) rooftop mounted bathroom exhaust fans | $5,666 | [E1868655](https://nearbypermits.com/boston/permit/E1868655/) |
| Jul 6, 2026 | [401 Commonwealth Av](https://nearbypermits.com/boston/address/401-commonwealth-av/) | 490 ft NE | Electrical | Minor electrical demo of second floor office suite for safety 400-416 Commonwealth Ave | $2,500 | [E1862581](https://nearbypermits.com/boston/permit/E1862581/) |
| Jul 2, 2026 | [1109-1111 Boylston St](https://nearbypermits.com/boston/address/1109--1111-boylston-st/) | 860 ft SE | Alteration or repair | Remove 10 existing windows and replace with United Windows Bronze / white vinyl (U.30) Remove and replace 1 door | $16,169 | [SF1863547](https://nearbypermits.com/boston/permit/SF1863547/) |
| Jul 1, 2026 | [397 Commonwealth Av](https://nearbypermits.com/boston/address/397-commonwealth-av/) | 530 ft NE | Fire systems | Work and costs is associated with ALT1301067. Sprinkler standpipe with roof hydrant location/access plan. | $20,000 | [ALT1855252](https://nearbypermits.com/boston/permit/ALT1855252/) |
| Jun 29, 2026 | [380 Commonwealth Av](https://nearbypermits.com/boston/address/380-commonwealth-av/) | 740 ft E | Alteration or repair | Interior renovations including new lighting, millwork, paint, appliances, wallcoverings, and flooring. | $900,000 | [SF1856481](https://nearbypermits.com/boston/permit/SF1856481/) |
| Jun 20, 2026 | [534-538 Beacon St](https://nearbypermits.com/boston/address/534--538-beacon-st/) | 730 ft N | Plumbing | Replacing gas dryers in common area laundry room. | $570 | [G1861834](https://nearbypermits.com/boston/permit/G1861834/) |
| Jun 17, 2026 | [400-416 Commonwealth Av](https://nearbypermits.com/boston/address/400--416-commonwealth-av/) | 390 ft E | Alteration or repair | Selective demolition existing office space. Remove partition walls, flooring, ceiling finishes to create warm lit shell. Fire Alarm, Fire Sprinkler to remain active and unchanged in space. Light fixtures and EBUs to be preserved in space. Debris to be live loaded, no onsite dumpster. | $39,238 | [SF1846668](https://nearbypermits.com/boston/permit/SF1846668/) |
| Jun 17, 2026 | [30 Ipswich St](https://nearbypermits.com/boston/address/30-ipswich-st/) | 670 ft SE | Plumbing | Replacing gas dryers in common area laundry room. | $400 | [G1861825](https://nearbypermits.com/boston/permit/G1861825/) |
| Jun 16, 2026 | [479 Commonwealth Av](https://nearbypermits.com/boston/address/479-commonwealth-av/) | 520 ft NW | Fire systems | Moving existing fire alarm devices on 3rd and 4th floor due to work being performed by others on building permit SF1847059 | $2,995 | [EFA1861174](https://nearbypermits.com/boston/permit/EFA1861174/) |
| Jun 16, 2026 | [51 Massachusetts Av](https://nearbypermits.com/boston/address/51-massachusetts-av/) | 870 ft NE | Electrical | Installation of new handhole in sidewalk at intersection of (59-61)Mass Ave and Commonwealth Ave. Install 30 amp underground service from Eversource Manhole. Install #6 conductors and 30 Amp Fused H-tap in Handhole for future Extenet pole. Ext_bb-02 | $1,500 | [E1861526](https://nearbypermits.com/boston/permit/E1861526/) |
| Jun 13, 2026 | [479 Commonwealth Av](https://nearbypermits.com/boston/address/479-commonwealth-av/) | 520 ft NW | Plumbing | Rough in 2 laundries and water cooler on the 3rd floor. replace 7 shower units. | $14,500 | [PL1859410](https://nearbypermits.com/boston/permit/PL1859410/) |
| Jun 11, 2026 | [380 Commonwealth Av](https://nearbypermits.com/boston/address/380-commonwealth-av/) | 740 ft E | Alteration or repair | Provide all necessary infrastructure to furnish and install an accessible lift for the courtWork to be done at rear entry, 415 Newbury Street; | $100,000 | [ALT1857944](https://nearbypermits.com/boston/permit/ALT1857944/) |
| Jun 8, 2026 | [430 Marlborough St](https://nearbypermits.com/boston/address/430-marlborough-st/) | 760 ft NE | Alteration or repair | Replace 10 windows | $21,893 | [SF1849807](https://nearbypermits.com/boston/permit/SF1849807/) |
| Jun 3, 2026 | [479 Commonwealth Av](https://nearbypermits.com/boston/address/479-commonwealth-av/) | 520 ft NW | Electrical | 4th & 5th Floor Subpanel replacements 7 Bathroom shower fixtures with switches, 1 overhead light Power for 2 washer/dryer setups, 1 drinking fountain | $23,000 | [E1856533](https://nearbypermits.com/boston/permit/E1856533/) |
| May 29, 2026 | [413-415 Commonwealth Av](https://nearbypermits.com/boston/address/413--415-commonwealth-av/) | 380 ft NE | Plumbing | Water heater replacement | $5,000 | [PL1849669](https://nearbypermits.com/boston/permit/PL1849669/) |
| May 29, 2026 | [413-415 Commonwealth Av](https://nearbypermits.com/boston/address/413--415-commonwealth-av/) | 380 ft NE | Plumbing | water heater replacement | $5,000 | [G1849672](https://nearbypermits.com/boston/permit/G1849672/) |
| May 29, 2026 | [535 Newbury St](https://nearbypermits.com/boston/address/535-newbury-st/) | 540 ft W | Electrical | Install 30 amp Fused Htap in handhole in sidewalk to feed new decorative light pole with pole top antenna. Install fused Htap for pole light circuit. Install 4 circuits for pole antenna equip.. Crown Castle BOS_SC_018 | $3,500 | [E1855586](https://nearbypermits.com/boston/permit/E1855586/) |
| May 27, 2026 | [390 Commonwealth Av](https://nearbypermits.com/boston/address/390-commonwealth-av/) | 500 ft E | Alteration or repair | Replacement of six windows in Unit 812 | $15,633 | [SF1850528](https://nearbypermits.com/boston/permit/SF1850528/) |
| May 27, 2026 | [421-423 Marlborough St](https://nearbypermits.com/boston/address/421--423-marlborough-st/) | 890 ft NE | Plumbing | back flow preventer for steam boiler back flow preventer for water boiler Water piping | $2,500 | [PL1855077](https://nearbypermits.com/boston/permit/PL1855077/) |
| May 27, 2026 | [421-423 Marlborough St](https://nearbypermits.com/boston/address/421--423-marlborough-st/) | 890 ft NE | Plumbing | Replace existing steam boiler. Install new boiler for hot water system. | $40,000 | [G1855080](https://nearbypermits.com/boston/permit/G1855080/) |
| May 21, 2026 | [477-479 Commonwealth Av](https://nearbypermits.com/boston/address/477--479-commonwealth-av/) | 500 ft NW | Alteration or repair | Renovate unused space to study rooms. Update shower plumbing and wall/floor surfaces. Reconfigure storage room to laundry. | $259,050 | [SF1847059](https://nearbypermits.com/boston/permit/SF1847059/) |
| May 20, 2026 | [31 Massachusetts Av](https://nearbypermits.com/boston/address/31-massachusetts-av/) | 930 ft NE | Plumbing | Unit 1-1 We will install gas stove and do pressure test on existing gas line | $1,500 | [G1850486](https://nearbypermits.com/boston/permit/G1850486/) |
| May 15, 2026 | [445 Marlborough St](https://nearbypermits.com/boston/address/445-marlborough-st/) | 650 ft NE | Alteration or repair | Install 1 french entry door and 2 windows for replacement. No structural changes. Admin: 2-11-2026 | $27,817 | [SF1847653](https://nearbypermits.com/boston/permit/SF1847653/) |
| May 12, 2026 | [400-416 Commonwealth Av](https://nearbypermits.com/boston/address/400--416-commonwealth-av/) | 390 ft E | Plumbing | Half bathroom: Toilet and sink replacement Full Bathroom: toilet replacement; tub to shower; sink replacement | $3,500 | [PL1848354](https://nearbypermits.com/boston/permit/PL1848354/) |
| May 12, 2026 | [1167 Boylston St](https://nearbypermits.com/boston/address/1167-boylston-st/) | 750 ft SW | Electrical | Install underground electrical service for street lighting control cabinet at boylston st/bowker overpass | $2,500 | [E1848511](https://nearbypermits.com/boston/permit/E1848511/) |
| May 12, 2026 | [1167 Boylston St](https://nearbypermits.com/boston/address/1167-boylston-st/) | 750 ft SW | Electrical | Install underground electrical service for traffic signal cabinet at boylston st/bowker overpass | $2,500 | [E1848508](https://nearbypermits.com/boston/permit/E1848508/) |
| May 11, 2026 | [21-23 Bay State Rd](https://nearbypermits.com/boston/address/21--23-bay-state-rd/) | 690 ft NW | Alteration or repair | Renovate two bathrooms - remove all finishes, new tile, fixtures, flooring. | $200,000 | [SF1847575](https://nearbypermits.com/boston/permit/SF1847575/) |
| May 6, 2026 | [401 Commonwealth Av](https://nearbypermits.com/boston/address/401-commonwealth-av/) | 490 ft NE | Electrical | replacing panel for new security devices including door contacts and keypads | $1,400 | [ELV1846170](https://nearbypermits.com/boston/permit/ELV1846170/) |

### Farther (1,000 ft to ¼ mi), 59 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [360 Newbury St](https://nearbypermits.com/boston/address/360-newbury-st/) | 0.24 mi E | Fire systems | Remove (8) Horn Strobes from ACT ceiling and secure to the deck because of ACT removal for white box reno | $1,000 | [EFA1906168](https://nearbypermits.com/boston/permit/EFA1906168/) |
| Oct 1, 2026 | [360 Newbury St](https://nearbypermits.com/boston/address/360-newbury-st/) | 0.24 mi E | Alteration or repair | Remove outlets from walls being removed. Box in exposed ceiling. Remove lights in act. | $4,000 | [E1906159](https://nearbypermits.com/boston/permit/E1906159/) |
| Sep 30, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | Brooks - Boston at 400 Newbury street (The primary address is 1001 Boylston Street). MISC Low Voltage HVAC Control Wiring. SM 264427 | $11,529 | [ELV1905768](https://nearbypermits.com/boston/permit/ELV1905768/) |
| Sep 30, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | F/i low voltage speaker wiring for new incoming tenant: | $750 | [ELV1905029](https://nearbypermits.com/boston/permit/ELV1905029/) |
| Sep 29, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | F/i new 100a feeder, transformer, panel, wiring devices and lighting for incoming tenant: | $70,000 | [E1905025](https://nearbypermits.com/boston/permit/E1905025/) |
| Sep 25, 2026 | [61 Bay State Rd](https://nearbypermits.com/boston/address/61-bay-state-rd/) | 0.20 mi NW | Plumbing | install new backflow and water shut off for new boilers | $25,000 | [PL1903913](https://nearbypermits.com/boston/permit/PL1903913/) |
| Sep 25, 2026 | [61 Bay State Rd](https://nearbypermits.com/boston/address/61-bay-state-rd/) | 0.20 mi NW | Plumbing | install two new gas boilers | $25,000 | [G1903912](https://nearbypermits.com/boston/permit/G1903912/) |
| Sep 24, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Sign | Installation of signs and entry portal for Brooks: One internally illuminated wall sign, one internally illuminated blade sign, 5 awnings and internally illuminated entry portal. Approved by BPDA. | $109,177 | [ALT1897345](https://nearbypermits.com/boston/permit/ALT1897345/) |
| Sep 22, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Alteration or repair | The scope of work is selective interior demolition exploration work ahead of the tenant buildout permit.? -ALT1886866 Secondary address is 400 Newbury St | $1,000 | [SF1902787](https://nearbypermits.com/boston/permit/SF1902787/) |
| Sep 17, 2026 | [533-545 Commonwealth Av](https://nearbypermits.com/boston/address/533--545-commonwealth-av/) | 0.24 mi W | Electrical | Power modifications renovations for new wall on 2nd floor | $11,000 | [E1902014](https://nearbypermits.com/boston/permit/E1902014/) |
| Sep 15, 2026 | [1078-1080 Boylston St](https://nearbypermits.com/boston/address/1078--1080-boylston-st/) | 0.24 mi SE | Alteration or repair | Front facade all work, replace windows on upper two floors, cut and point masonry, patch spalled stone, clean and coat masonry. At interior, supplement steel on top floor. | $307,700 | [SF1896018](https://nearbypermits.com/boston/permit/SF1896018/) |
| Sep 15, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Plumbing | Fitout of Pilates Addiction commercial space. 400 Newbury St. Suite #1 | $68,000 | [PL1900492](https://nearbypermits.com/boston/permit/PL1900492/) |
| Sep 10, 2026 | [362-366 Commonwealth Av](https://nearbypermits.com/boston/address/362--366-commonwealth-av/) | 0.21 mi E | Alteration or repair | Remove and replace existing window and door unit. Openings to match. New metal trim as needed to match existing. | $53,700 | [SF1887994](https://nearbypermits.com/boston/permit/SF1887994/) |
| Sep 1, 2026 | [483 Beacon St](https://nearbypermits.com/boston/address/483-beacon-st/) | 0.21 mi NE | Plumbing | RENOVATION UNIT 69 - 1 half bathroom on first floor. | $3,000 | [PL1896191](https://nearbypermits.com/boston/permit/PL1896191/) |
| Aug 28, 2026 | [392 Marlborough St](https://nearbypermits.com/boston/address/392-marlborough-st/) | 0.24 mi NE | Electrical | Audio and Data | $1,300 | [ELV1894416](https://nearbypermits.com/boston/permit/ELV1894416/) |
| Aug 27, 2026 | [362-366 Commonwealth Av](https://nearbypermits.com/boston/address/362--366-commonwealth-av/) | 0.21 mi E | Alteration or repair | Amendment to permit number ALT1590247 - 2 Additional roof decks to be built on roof adjacent to the previous decks built under current permit | $105,000 | [A1869769](https://nearbypermits.com/boston/permit/A1869769/) |
| Aug 19, 2026 | [533-545 Commonwealth Av](https://nearbypermits.com/boston/address/533--545-commonwealth-av/) | 0.24 mi W | Alteration or repair | Office renovation of approx 214 SF of existing office and gym space, installing a 12' GWB wall and door to seperate the spaces | $27,500 | [SF1883374](https://nearbypermits.com/boston/permit/SF1883374/) |
| Aug 14, 2026 | [392 Marlborough St](https://nearbypermits.com/boston/address/392-marlborough-st/) | 0.24 mi NE | Electrical | Electrical renovation of the 3rd floor, 4th floor, and rooftop | $18,000 | [E1887456](https://nearbypermits.com/boston/permit/E1887456/) |
| Aug 6, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | New Eversource Meter 200A for 1st Floor Tenant | $1,200 | [E1882898](https://nearbypermits.com/boston/permit/E1882898/) |
| Aug 5, 2026 | [483 Beacon St](https://nearbypermits.com/boston/address/483-beacon-st/) | 0.21 mi NE | Electrical | Add lights in kitchen Add circuit for hood New laundry (washer/dryer) | $3,500 | [E1882523](https://nearbypermits.com/boston/permit/E1882523/) |
| Jul 31, 2026 | [483 Beacon St](https://nearbypermits.com/boston/address/483-beacon-st/) | 0.21 mi NE | Alteration or repair | Remove and replace kitchen cabinets; remove bathroom drop ceiling and install new gypsum-board ceiling; modify laundry closet framing; refinish hardwood floors; paint throughout. | $23,398 | [SF1875182](https://nearbypermits.com/boston/permit/SF1875182/) |
| Jul 28, 2026 | [473 Beacon St](https://nearbypermits.com/boston/address/473-beacon-st/) | 0.23 mi NE | Plumbing | EMERGENCY--- Gas Piping Repair to turn gas on for hot water!!! | $1,000 | [G1877793](https://nearbypermits.com/boston/permit/G1877793/) |
| Jul 28, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Alteration or repair | Amendment to permit #ALT1828577 Includes FA/FS (not filed under initial permit) and minor plan changes | $68,400 | [A1864905](https://nearbypermits.com/boston/permit/A1864905/) |
| Jul 16, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Sign | Installation of (1) Face Lit Channel Letters (CarGurus) | $12,000 | [ALT1859935](https://nearbypermits.com/boston/permit/ALT1859935/) |
| Jul 14, 2026 | [540-548 Commonwealth Av](https://nearbypermits.com/boston/address/540--548-commonwealth-av/) | 0.24 mi W | Plumbing | Replace a dishwasher and replace ice-maker installed 3 faucet | $2,500 | [PL1869957](https://nearbypermits.com/boston/permit/PL1869957/) |
| Jul 14, 2026 | [650-660 Beacon St](https://nearbypermits.com/boston/address/650--660-beacon-st/) | 0.20 mi W | Plumbing | Amendment of existing ALT 1798474 to add (2) showers in restrooms. No additional life safety work.*Office, Retail, Pilates studio and Research Lab | $8,500 | [A1871477](https://nearbypermits.com/boston/permit/A1871477/) |
| Jul 13, 2026 | [504 Beacon St](https://nearbypermits.com/boston/address/504-beacon-st/) | 0.20 mi NE | Other | Remove all de-energized equipment associated with site ID 4BN0049C, to no longer have any equipment associated with this location. | $19,980 | [SF1863398](https://nearbypermits.com/boston/permit/SF1863398/) |
| Jul 10, 2026 | [1068-1074 Boylston St](https://nearbypermits.com/boston/address/1068--1074-boylston-st/) | 0.25 mi SE | Electrical | To wire the bakery up to code and add one 200 amp underground service. the work will be performed at 1070 Boylston street. | $40,000 | [E1871176](https://nearbypermits.com/boston/permit/E1871176/) |
| Jul 7, 2026 | [392 Marlborough St](https://nearbypermits.com/boston/address/392-marlborough-st/) | 0.24 mi NE | Plumbing | remodel kitchen and 3 bathrooms in Unit 3, other fixture is a bar sink | $25,000 | [PL1868898](https://nearbypermits.com/boston/permit/PL1868898/) |
| Jul 7, 2026 | [392 Marlborough St](https://nearbypermits.com/boston/address/392-marlborough-st/) | 0.24 mi NE | Plumbing | replace 2 fireplaces | $3,000 | [G1868899](https://nearbypermits.com/boston/permit/G1868899/) |
| Jul 2, 2026 | [402 Marlborough St](https://nearbypermits.com/boston/address/402-marlborough-st/) | 0.22 mi NE | Alteration or repair | Install 3 windows for replacement. Work to be done in unit #2. No structural changes. Admin: 6-10-2026 | $14,225 | [SF1867146](https://nearbypermits.com/boston/permit/SF1867146/) |
| Jul 2, 2026 | [650-660 Beacon St](https://nearbypermits.com/boston/address/650--660-beacon-st/) | 0.20 mi W | Plumbing | Plumbing piping and fixtures at Strong Pilates | $40,000 | [PL1868014](https://nearbypermits.com/boston/permit/PL1868014/) |
| Jul 1, 2026 | [540-548 Commonwealth Av](https://nearbypermits.com/boston/address/540--548-commonwealth-av/) | 0.24 mi W | Electrical | AV Work: Furnish and Install 3 Displays and 6 Computer Monitors Furnish and Install 3 Clocks | $9,223 | [ELV1863856](https://nearbypermits.com/boston/permit/ELV1863856/) |
| Jun 29, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Plumbing | Renovation of existing retail space for incoming Brooks Tenant. | $55,000 | [PL1863851](https://nearbypermits.com/boston/permit/PL1863851/) |
| Jun 25, 2026 | [396 Marlborough St](https://nearbypermits.com/boston/address/396-marlborough-st/) | 0.23 mi NE | Plumbing | Bathroom Remodel | $2,000 | [PL1863559](https://nearbypermits.com/boston/permit/PL1863559/) |
| May 29, 2026 | [396 Marlborough St](https://nearbypermits.com/boston/address/396-marlborough-st/) | 0.23 mi NE | Plumbing | Bathroom remodel | Not listed | [PL1855659](https://nearbypermits.com/boston/permit/PL1855659/) |
| Jun 16, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Fire systems | Electrical fire alarm work associated with renovation of suite 111. | $18,500 | [EFA1860248](https://nearbypermits.com/boston/permit/EFA1860248/) |
| Jun 16, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | Electrical work associated with renovation of suite 111. | $65,000 | [E1860221](https://nearbypermits.com/boston/permit/E1860221/) |
| Jun 12, 2026 | [540-548 Commonwealth Av](https://nearbypermits.com/boston/address/540--548-commonwealth-av/) | 0.24 mi W | Electrical | Furnish (12) data cables to AV closet on 3rd floor. | $5,000 | [ELV1859490](https://nearbypermits.com/boston/permit/ELV1859490/) |
| Jun 9, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | Install low voltage cabling at 400 Newbury street for Brooks running Boston | $20,000 | [ELV1859188](https://nearbypermits.com/boston/permit/ELV1859188/) |
| Jun 5, 2026 | [650-660 Beacon St](https://nearbypermits.com/boston/address/650--660-beacon-st/) | 0.20 mi W | Fire systems | Provide Fire Alarm Fitout for Pilates Studio Renovation, located on first floor. | $35,500 | [EFA1858162](https://nearbypermits.com/boston/permit/EFA1858162/) |
| Jun 4, 2026 | [650-660 Beacon St](https://nearbypermits.com/boston/address/650--660-beacon-st/) | 0.20 mi W | Electrical | Running low voltage data | $8,000 | [ELV1857236](https://nearbypermits.com/boston/permit/ELV1857236/) |
| Jun 4, 2026 | [650-660 Beacon St](https://nearbypermits.com/boston/address/650--660-beacon-st/) | 0.20 mi W | Electrical | General lighting and devices of Pilates studio | $45,000 | [E1857233](https://nearbypermits.com/boston/permit/E1857233/) |
| Jun 1, 2026 | [533-545 Commonwealth Av](https://nearbypermits.com/boston/address/533--545-commonwealth-av/) | 0.24 mi W | Alteration or repair | Installing an All-Glass Ballistic Door System for a secured entrance to the CEO Admin space. Modify existing GWB wall and GWB ceiling to receive new door, and relocation of (1) light and (1) diffuser | $61,800 | [SF1851672](https://nearbypermits.com/boston/permit/SF1851672/) |
| May 29, 2026 | [392 Marlborough St](https://nearbypermits.com/boston/address/392-marlborough-st/) | 0.24 mi NE | Alteration or repair | Interior renovation including kitchen, bath, and interior finish upgrades with limited structural, roof/headhouse, skylight, and associated MEP work. No change in use or occupancy. | $806,171 | [ALT1852367](https://nearbypermits.com/boston/permit/ALT1852367/) |
| May 28, 2026 | [345 Commonwealth Av](https://nearbypermits.com/boston/address/345-commonwealth-av/) | 0.22 mi E | Electrical | Kitchen, 2 bathroom and closet renovation. Move electrical panel. | $9,000 | [E1855294](https://nearbypermits.com/boston/permit/E1855294/) |
| May 27, 2026 | [540-548 Commonwealth Av](https://nearbypermits.com/boston/address/540--548-commonwealth-av/) | 0.24 mi W | Electrical | Demo and install new light fixtures, switches, and receptacles. Wire A/C units. Install pipes and pull strings. | $20,000 | [E1853337](https://nearbypermits.com/boston/permit/E1853337/) |
| May 27, 2026 | [650-660 Beacon St](https://nearbypermits.com/boston/address/650--660-beacon-st/) | 0.20 mi W | Alteration or repair | Change occupancy from shell space to Pilates studio. Renovation of first floor unoccupied shell space for new pilates studio. Includes training room, 2 restrooms, 3 fan coil units, 1 electric water heater, a new electric meter and panels, and updates to the storefront. Adding FA/FP;3.18.2026 Applica | $610,000 | [ALT1798474](https://nearbypermits.com/boston/permit/ALT1798474/) |
| May 22, 2026 | [337 Commonwealth Av](https://nearbypermits.com/boston/address/337-commonwealth-av/) | 0.24 mi E | Plumbing | Renovation Unit 4: 3rd Floor: (1) Bathroom (tub, toilet and double sink) and (1) Kitchen (Sink, Disposal, Dishwasher, ice maker). | $6,000 | [PL1852450](https://nearbypermits.com/boston/permit/PL1852450/) |
| May 21, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Alteration or repair | Change of Occupancy. Renovation of new tenant space (Brooks). Scope includes new partitions, finishes, lighting, millwork and MEP; modifications to existing storefront.[ePlans]PHASED APPLICATION: AMENDMENT TO FILED FOR FIRE PROTECTION REVIEW. | $1,000,000 | [ALT1828577](https://nearbypermits.com/boston/permit/ALT1828577/) |
| May 20, 2026 | [490 Beacon St](https://nearbypermits.com/boston/address/490-beacon-st/) | 0.23 mi NE | Electrical | kitchen remodel 2 bathrooms remodel misc recessed lighting and outlets to be added. Work to be done at secondary address 492 Beacon unit 15 | $13,500 | [E1851850](https://nearbypermits.com/boston/permit/E1851850/) |
| May 18, 2026 | [396 Marlborough St](https://nearbypermits.com/boston/address/396-marlborough-st/) | 0.23 mi NE | Alteration or repair | Erect staging across front of building to top of brick. Grind out all brick joints as needed and point front brick 100%. Some days after completion acid wash area worked on. Dump debris resulting from work. Dismantle and remove staging leaving work area tidy. | $25,500 | [SF1841063](https://nearbypermits.com/boston/permit/SF1841063/) |
| May 18, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | Connecting 13 office cubicles at 1001 Boylston St Boston. 3rd Floor 2 cubicles and 11 on the 4th floor. | $500 | [E1849875](https://nearbypermits.com/boston/permit/E1849875/) |
| May 15, 2026 | [490 Beacon St](https://nearbypermits.com/boston/address/490-beacon-st/) | 0.23 mi NE | Plumbing | 492 Beacon Street Unit 15: 1 3/4-bathroom, 1 master with shower and double vanity and 1 kitchen with ice maker. | $11,000 | [PL1848525](https://nearbypermits.com/boston/permit/PL1848525/) |
| May 15, 2026 | [337 Commonwealth Av](https://nearbypermits.com/boston/address/337-commonwealth-av/) | 0.24 mi E | Electrical | Rewire kitchen and bath | $7,100 | [E1850055](https://nearbypermits.com/boston/permit/E1850055/) |
| May 13, 2026 | [396 Marlborough St](https://nearbypermits.com/boston/address/396-marlborough-st/) | 0.23 mi NE | Alteration or repair | Full bathroom renovation including demolition, waterproofing, tile installation, plumbing updates, and installation of new fixtures. | $35,731 | [SF1839155](https://nearbypermits.com/boston/permit/SF1839155/) |
| May 7, 2026 | [1001 Boylston St](https://nearbypermits.com/boston/address/1001-boylston-st/) | 0.21 mi SE | Electrical | Security system install for Weil at 1001 Boylston | $10,000 | [ELV1846528](https://nearbypermits.com/boston/permit/ELV1846528/) |
| May 4, 2026 | [540-548 Commonwealth Av](https://nearbypermits.com/boston/address/540--548-commonwealth-av/) | 0.24 mi W | Alteration or repair | Scope of work to be completed in Room 317. Demo the existing work counters, install (2) split HVAC system, new lighting, new electrical for incoming AV monitors and painting. | $112,450 | [SF1845008](https://nearbypermits.com/boston/permit/SF1845008/) |
| May 1, 2026 | [339 Commonwealth Av](https://nearbypermits.com/boston/address/339-commonwealth-av/) | 0.24 mi E | Alteration or repair | Remove existing roof deck in coordination with ALT1828066 and BBAC approved APP: 25.1047BB to continue planning at roof. | $100 | [SF1845070](https://nearbypermits.com/boston/permit/SF1845070/) |

## Zoning requests nearby

There are no zoning requests on file within ¼ mi. Boston's feed was last read Oct 8.

## More on this street

Other addresses on Commonwealth Av with permits, nearest house number first:

- [464-466 Commonwealth Av](https://nearbypermits.com/boston/address/464--466-commonwealth-av/): newest permit Oct 5, 2026
- [465 Commonwealth Av](https://nearbypermits.com/boston/address/465-commonwealth-av/): newest permit Aug 14, 2025
- [468 Commonwealth Av](https://nearbypermits.com/boston/address/468-commonwealth-av/): newest permit Apr 20, 2026
- [470 Commonwealth Av](https://nearbypermits.com/boston/address/470-commonwealth-av/): newest permit Aug 20, 2026
- [472 Commonwealth Av](https://nearbypermits.com/boston/address/472-commonwealth-av/): newest permit Dec 23, 2025
- [477-479 Commonwealth Av](https://nearbypermits.com/boston/address/477--479-commonwealth-av/): newest permit May 21, 2026
- [479 Commonwealth Av](https://nearbypermits.com/boston/address/479-commonwealth-av/): newest permit Jun 16, 2026
- [419 Commonwealth Av](https://nearbypermits.com/boston/address/419-commonwealth-av/): newest permit May 14, 2025
- [484 Commonwealth Av](https://nearbypermits.com/boston/address/484-commonwealth-av/): newest permit Mar 10, 2026
- [485 Commonwealth Av](https://nearbypermits.com/boston/address/485-commonwealth-av/): newest permit Jan 16, 2026

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-08 14:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Zoning requests come from the Boston Zoning Board of Appeal tracker (https://data.boston.gov/dataset/zoning-board-of-appeal-tracker). We read it Oct 8, 11:17 UTC.

Map, both permits at this address and 132 nearby: https://nearbypermits.com/boston/address/450-commonwealth-av/