# Building permits at 2121 Commonwealth Av, Boston, MA

23 permits on record here. The newest, Sep 9: Erect a 40x60 frame tent and a 10x10 tent at BC Cadigan Lawn on 9-23 to 9-24-26. Within a quarter mile, the city has issued 47 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 9, 2026 | Other | Erect a 40x60 frame tent and a 10x10 tent at BC Cadigan Lawn on 9-23 to 9-24-26. Using on 9-24 for the Annual Board of Trustees dinner from 5pm to 8pm. No heat, cooking or smoking. | $2,014 | [SF1899170](https://nearbypermits.com/boston/permit/SF1899170/) |
| Aug 3, 2026 | Other | Erect a 40x60 frame tent at BC Cadigan Center on 9-8 to 9-10-26. Using on 9-9 for Annual Taste of Campus 3pm to 9pm. 150 ppl. No heat, cooking or smoking. | $1,777 | [SF1879961](https://nearbypermits.com/boston/permit/SF1879961/) |
| May 4, 2026 | Other | Erect a 30x50 frame tent at BC Cadigan center front lawn on 5-11 to 5-19-26. Using on 5-18 from 1pm to 4pm for a reception after graduation. No heat, cooking or smoking. | $1,283 | [SF1844749](https://nearbypermits.com/boston/permit/SF1844749/) |
| May 4, 2026 | Other | Erect a 20x20 frame tent at BC Cadigan Lawn on 5-11 to 5-12-26 for a Sr. Class get together from 10am to 7pm. No heat,cooking or smoking. | $403 | [SF1844726](https://nearbypermits.com/boston/permit/SF1844726/) |
| May 4, 2026 | Electrical | install one portable generator | $10,000 | [E1844653](https://nearbypermits.com/boston/permit/E1844653/) |
| Nov 4, 2025 | Other | Erect a 20x20 frame tent and a 30x30 frame tent at BC Cadigan Alumni Center on 12-10 to 12-15-25. Using on 12-13 from 10am to 3pm for Annual Winter Wonderland. Roughly 90 people in the 30x30 and 25 people in the 20x20. No cooking or smoking. | $1,173 | [SF1794397](https://nearbypermits.com/boston/permit/SF1794397/) |
| Sep 11, 2025 | Other | Erect a 40x75 frame tent at BC Cadigan Center on 9-24 to 9-26-25. Using on 9-25 from 3pm to 8pm for Annual Trustees Dinner. 120 ppl. No heat cooking or smoking. | $2,277 | [SF1772170](https://nearbypermits.com/boston/permit/SF1772170/) |
| Aug 14, 2025 | Other | Erect a 40x60 frame tent at BC Cadigan Lawn on 9-2 to 9-4-25. Using on 9-3 for the Annual Taste of Boston from 6pm to 10pm. Max 100 people. No heat cooking or smoking. | $1,777 | [SF1756708](https://nearbypermits.com/boston/permit/SF1756708/) |
| May 5, 2025 | Other | Erect a 20x20 frame tent at BC Cadigan Lawn on 5-12 to 5-13-25. Using on 5-12 for the Annual Sr. Presentation from 12pm to 6pm. 60 people. No heat, cooking or smoking. | $403 | [SF1714498](https://nearbypermits.com/boston/permit/SF1714498/) |
| May 5, 2025 | Other | Erect a 80x100 Victorian tent on BC Cadigan Lawn 5-13 to 5-22-25. Using on 5-19 from noon to 3pm for BC Annual commencement. 700 people. No heat, cooking or smoking. Stamp drawings attached. | $13,765 | [SF1708556](https://nearbypermits.com/boston/permit/SF1708556/) |
| May 5, 2025 | Other | Erect a 30x50 frame tent at BC Cadigan center front lawn on 5-12 to 5-20-25. Using on 5-19 from 2pm to 4pm. 110 people. No cooking, heat or smoking | $1,283 | [SF1704392](https://nearbypermits.com/boston/permit/SF1704392/) |
| Nov 25, 2024 | Other | Erect a 30x30 frame tent and a 20x20 frame tent on 12-12 to 12-16-24. Using on 12-14 for the Annual Winter Wonderland from 9am to 3pm. Max 75 people. | $1,020 | [SF1670709](https://nearbypermits.com/boston/permit/SF1670709/) |
| May 11, 2017 | Other | Erect an 80 X 100 pole and stake tent on May 19 to May 23, 2017 at B.C. Cadigan Alumni Center. | $8,100 | [SF702186](https://nearbypermits.com/boston/permit/SF702186/) |
| Nov 18, 2014 | Other | Erect a 20 X 30 frame tent and a 20 X 40 frame tent outside of BC Cadigan Center on Dec. 3, 2014 to Dec. 7, 2014. | $1,020 | [SF427137](https://nearbypermits.com/boston/permit/SF427137/) |
| Oct 12, 2011 | Electrical | Low voltage cabling renovation | $139,000 | [ELV99285](https://nearbypermits.com/boston/permit/ELV99285/) |
| May 18, 2011 | Electrical | Low Voltage HVAC Control Wiring ~ BC Chancery Bldg ~ Job #11-8904 | $80,000 | [ELV75393](https://nearbypermits.com/boston/permit/ELV75393/) |
| Apr 15, 2011 | Plumbing | Plumbing renovation at the Boston College from sub basement to roof. Furnish and install new piping, fixtures, and equipment. | $429,000 | [PL72402](https://nearbypermits.com/boston/permit/PL72402/) |
| Apr 15, 2011 | Plumbing | As part of plumbing renovation, to furnish and install boilers, heaters, and vents for the Boston College in the sub basement. | $429,000 | [G72532](https://nearbypermits.com/boston/permit/G72532/) |
| Feb 10, 2011 | Alteration or repair | Change occupancy from: Offices &; rectory to: Administrative offices of;a university. This project involves interior and exterior renovations of a 3 story 43,000 sq ft building as well as a 24,000 sq ft addition. The work will include new plumbing, HVAC, Electric, Fire Alarm, Sprinkler systems and f | $14,700,000 | [ALT51560](https://nearbypermits.com/boston/permit/ALT51560/) |
| Feb 1, 2011 | Electrical | BC - Remove existing service feeders and rewire to feed new temporary service for construction. | $10,000 | [ETS62380](https://nearbypermits.com/boston/permit/ETS62380/) |
| Feb 1, 2011 | Electrical | BC, 2121 Commonwealth Floors Basement thru 3, Complete demo, rework and addition to existing building FA | $100,000 | [EFA62369](https://nearbypermits.com/boston/permit/EFA62369/) |
| Feb 1, 2011 | Electrical | BC, 2121 Commonwealth Ave - Complete gut, rework and addition to existing building-all floors | $1,300,000 | [E62376](https://nearbypermits.com/boston/permit/E62376/) |
| Dec 29, 2010 | Alteration or repair | Site mobilization, temporary site fencing, trailer set-up and selective demolition for abatement. Cost of the work is reflected on ALT51560. | Not listed | [SF56944](https://nearbypermits.com/boston/permit/SF56944/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 20 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 18, 2026 | [2193-2201 Commonwealth Av](https://nearbypermits.com/boston/address/2193--2201-commonwealth-av/) | 720 ft SW | Electrical | Install Camera system and Burglar Alarm | $4,500 | [ELV1901974](https://nearbypermits.com/boston/permit/ELV1901974/) |
| Sep 17, 2026 | [2101 Commonwealth Av](https://nearbypermits.com/boston/address/2101-commonwealth-av/) | 390 ft E | Other | Erect 50x131, 20x30 and (2) 9x10 tents on 20" high platform plus 15x15, 20x60, 6x8 and 9x10 tents at grade on 10/7/26, removal on 10/17/26. | $60,335 | [SF1900965](https://nearbypermits.com/boston/permit/SF1900965/) |
| Sep 15, 2026 | [2193-2201 Commonwealth Av](https://nearbypermits.com/boston/address/2193--2201-commonwealth-av/) | 720 ft SW | Plumbing | Waste and water | $14,000 | [PL1900381](https://nearbypermits.com/boston/permit/PL1900381/) |
| Sep 14, 2026 | [2193-2201 Commonwealth Av](https://nearbypermits.com/boston/address/2193--2201-commonwealth-av/) | 720 ft SW | Electrical | Reno of existing store front | $30,000 | [E1900362](https://nearbypermits.com/boston/permit/E1900362/) |
| Jul 28, 2026 | [27-29 Greycliff Rd](https://nearbypermits.com/boston/address/27--29-greycliff-rd/) | 890 ft E | Alteration or repair | Amend existing permit ERT1667047- 1) Add a bathroom in the attic of 27 Greycliff RD.; 2) Add staircase from basement to outside. 3) Modify partition some interior partition walls (minor, non-structural);4) Add bathroom &; bedroom w/ closet in attic of 29 Greycliff RD.;Amendment to ERT1667047 to corr | $15,100 | [A1797099](https://nearbypermits.com/boston/permit/A1797099/) |
| Jul 9, 2026 | [77 Undine Rd](https://nearbypermits.com/boston/address/77-undine-rd/) | 980 ft NW | Electrical | upgrade service from 100 to 200amps | $4,000 | [E1870551](https://nearbypermits.com/boston/permit/E1870551/) |
| Jul 8, 2026 | [90 Lake St](https://nearbypermits.com/boston/address/90-lake-st/) | 930 ft N | Electrical | 40 amp Hard Wired EV Charger | $1,936 | [E1869887](https://nearbypermits.com/boston/permit/E1869887/) |
| Jun 29, 2026 | [117 Lake St](https://nearbypermits.com/boston/address/117-lake-st/) | 650 ft N | Fire systems | Install fire alarm devices as indicated on BR+A Drawings dated 5/29/26. Modify existing fire alarm devices as needed. | $8,000 | [EFA1864415](https://nearbypermits.com/boston/permit/EFA1864415/) |
| Jun 25, 2026 | [2150 Commonwealth Av](https://nearbypermits.com/boston/address/2150-commonwealth-av/) | 700 ft SW | Grading | Seven (7) soil borings to be completed as wells. | $5,000 | [SF1864597](https://nearbypermits.com/boston/permit/SF1864597/) |
| Jun 25, 2026 | [117 Lake St](https://nearbypermits.com/boston/address/117-lake-st/) | 650 ft N | Electrical | Install power, lighting and conduit for low voltage provisions per BR+A Drawings dated 5/29/26. | $80,000 | [E1864417](https://nearbypermits.com/boston/permit/E1864417/) |
| Jun 25, 2026 | [117a Lake St](https://nearbypermits.com/boston/address/117a-lake-st/) | 850 ft N | Electrical | Install (8) parking lot site poles with the associated conduit and branch circuit wiring that will originate from the Maintenance Building. | $95,000 | [E1863092](https://nearbypermits.com/boston/permit/E1863092/) |
| Jun 18, 2026 | [2101 Commonwealth Av](https://nearbypermits.com/boston/address/2101-commonwealth-av/) | 390 ft E | Other | Erect a 20x20 frame tent and a 40x80 tent at BC Conference Center on 6-25 to 6-29-26. Using on 6-27 and 6-28 from 2pm to 8pm for Grace Conference. No heat, cooking or smoking. | $1,998 | [SF1860480](https://nearbypermits.com/boston/permit/SF1860480/) |
| Jun 11, 2026 | [117 Lake St](https://nearbypermits.com/boston/address/117-lake-st/) | 650 ft N | Alteration or repair | Demo of existing finishes and addition of new finishes including flooring, drywall, paint, ceiling tiles and doors. Mechanical upgrades include new heating / cooling equipment inside the space. Electrical upgrades include new light fixtures, electrical outlets, etc. | $500,000 | [SF1857943](https://nearbypermits.com/boston/permit/SF1857943/) |
| May 26, 2026 | [2193-2201 Commonwealth Av](https://nearbypermits.com/boston/address/2193--2201-commonwealth-av/) | 720 ft SW | Alteration or repair | Refurbish commercial space including laminate flooring, ceilings and electrical work. Interior work only. | $42,200 | [SF1852220](https://nearbypermits.com/boston/permit/SF1852220/) |
| May 20, 2026 | [2101 Commonwealth Av](https://nearbypermits.com/boston/address/2101-commonwealth-av/) | 390 ft E | Other | Erect a 44x83 tent and a 20x20 tent at BC Conference Center on 6-10 to 6-15-26. Using on 6-13 for a Wedding from 2pm to 11pm. No heat, cooking or smoking. | $4,883 | [SF1850890](https://nearbypermits.com/boston/permit/SF1850890/) |
| May 18, 2026 | [2101 Commonwealth Av](https://nearbypermits.com/boston/address/2101-commonwealth-av/) | 390 ft E | Other | Erect a 20x40 frame tent at BC Conference Center on 5-28 to 6-1-26. Using on 5-30 from 3pm to 11pm for a registration tent, storage area and work area Max 20 people. No heat cooking or smoking | $675 | [SF1849745](https://nearbypermits.com/boston/permit/SF1849745/) |
| May 15, 2026 | [2150 Commonwealth Av](https://nearbypermits.com/boston/address/2150-commonwealth-av/) | 700 ft SW | Plumbing | Direct replace 2 water heater storage tanks | $30,000 | [PL1849080](https://nearbypermits.com/boston/permit/PL1849080/) |
| May 12, 2026 | [25 Undine Rd](https://nearbypermits.com/boston/address/25-undine-rd/) | 870 ft NW | Electrical | Install wiring for 2 bathrooms, 4 closet lights, add recessed lights and bath fans. Alter existing wiring in ductless air conditioning and other miscellaneous repairs | $10,000 | [E1848145](https://nearbypermits.com/boston/permit/E1848145/) |
| May 11, 2026 | [25 Undine Rd](https://nearbypermits.com/boston/address/25-undine-rd/) | 870 ft NW | Alteration or repair | First Floor Laundry room Walls Enclousure. Second floor 3 Closets frame and walls. Second floor new bathroom. | $27,000 | [SF1847218](https://nearbypermits.com/boston/permit/SF1847218/) |
| May 8, 2026 | [2101 Commonwealth Av](https://nearbypermits.com/boston/address/2101-commonwealth-av/) | 390 ft E | Other | Erect a 10x10, a 15x45 frame tent and 40x120 pole tent at BC Conference Center on 5-27 to 6-2-26 for the Annual Reunion party on 5-30 from 7pm to 11pm. Roughly 300 people. The 10x10 is only used as a walkway between tents. No cooking or smoking. Large stamped drawing is attached | $3,388 | [SF1846742](https://nearbypermits.com/boston/permit/SF1846742/) |

### Farther (1,000 ft to ¼ mi), 27 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | [110 Saint Thomas More Rd](https://nearbypermits.com/boston/address/110-saint-thomas-more-rd/) | 0.20 mi SW | Fire systems | wiring for Pre action system | $5,000 | [EFA1903235](https://nearbypermits.com/boston/permit/EFA1903235/) |
| Sep 22, 2026 | [29 Lane Pk](https://nearbypermits.com/boston/address/29-lane-pk/) | 0.23 mi NE | Electrical | Low Voltage TV and Internet Unit#2 | $3,500 | [ELV1902911](https://nearbypermits.com/boston/permit/ELV1902911/) |
| Sep 22, 2026 | [29 Lane Pk](https://nearbypermits.com/boston/address/29-lane-pk/) | 0.23 mi NE | Electrical | Low Voltage TV and Internet Unit#1 | $3,500 | [ELV1902890](https://nearbypermits.com/boston/permit/ELV1902890/) |
| Sep 22, 2026 | [29 Lane Pk](https://nearbypermits.com/boston/address/29-lane-pk/) | 0.23 mi NE | Electrical | New wiring Unit#2 with 200Amp underground service | $25,000 | [E1902900](https://nearbypermits.com/boston/permit/E1902900/) |
| Sep 22, 2026 | [29 Lane Pk](https://nearbypermits.com/boston/address/29-lane-pk/) | 0.23 mi NE | Electrical | New wiring Unit 1 with 200Amp underground service | $25,000 | [E1902876](https://nearbypermits.com/boston/permit/E1902876/) |
| Sep 2, 2026 | [29 Lane Pk](https://nearbypermits.com/boston/address/29-lane-pk/) | 0.23 mi NE | Plumbing | two gas waterheaters and two gas stove | $4,000 | [G1896353](https://nearbypermits.com/boston/permit/G1896353/) |
| Sep 1, 2026 | [29 Lane Pk](https://nearbypermits.com/boston/address/29-lane-pk/) | 0.23 mi NE | Plumbing | two water heaters, two kitchens, two laundry, four baths and two future baths | $25,000 | [PL1896352](https://nearbypermits.com/boston/permit/PL1896352/) |
| Aug 24, 2026 | [127-129 Lake St](https://nearbypermits.com/boston/address/127--129-lake-st/) | 0.21 mi N | Other | Erect 20x50 tent on 8/25/26, removal on 8/27/26. | $2,500 | [SF1890986](https://nearbypermits.com/boston/permit/SF1890986/) |
| Aug 21, 2026 | [14 Lane Pk](https://nearbypermits.com/boston/address/14-lane-pk/) | 0.24 mi E | Electrical | Installation of a hardwired smoke detector system. | $3,000 | [E1890528](https://nearbypermits.com/boston/permit/E1890528/) |
| Aug 17, 2026 | [30 Undine Rd](https://nearbypermits.com/boston/address/30-undine-rd/) | 0.19 mi W | Fence, wall or deck | The existing fence is needs to move 12" towards 30 Undine dr. The fence panels will be reused and new post will be added. The existing curbing will be reworked at the street to maintain the 20' access. 12" of asphalt will be added down the fence line. I know the curbing at the street has to be corre | $98,340 | [SF1861814](https://nearbypermits.com/boston/permit/SF1861814/) |
| Jul 31, 2026 | [57 Undine Rd](https://nearbypermits.com/boston/address/57-undine-rd/) | 0.23 mi NW | Alteration or repair | Demo existing kitchen cabinets, countertops and appliances. Selective demo of a full bathroom and a powder room. Install new kitchen cabinets, countertops and appliances. Install new toilets, a tub, 2 vanities and medicine cabinets. Upgrade plumbing and electrical as needed. Paint | $58,000 | [SF1876025](https://nearbypermits.com/boston/permit/SF1876025/) |
| Jul 28, 2026 | [34 Lane Pk](https://nearbypermits.com/boston/address/34-lane-pk/) | 0.20 mi NE | Alteration or repair | Dismantle the stair treads and risers, form and pour new stair treads and risers. | $35,800 | [SF1861953](https://nearbypermits.com/boston/permit/SF1861953/) |
| Jul 14, 2026 | [110 Saint Thomas More Rd](https://nearbypermits.com/boston/address/110-saint-thomas-more-rd/) | 0.20 mi SW | Electrical | Replace existing 15kv Eversource station | $435,000 | [E1871822](https://nearbypermits.com/boston/permit/E1871822/) |
| Jul 13, 2026 | [98 Lake St](https://nearbypermits.com/boston/address/98-lake-st/) | 0.19 mi N | Alteration or repair | Renovate first floor kitchen, change first floor half bathroom to a full bathroom, replace 30 windows and change second floor master bedroom to two small bedrooms (per drawing specs) | $58,100 | [SF1870004](https://nearbypermits.com/boston/permit/SF1870004/) |
| Jul 13, 2026 | [26 Lane Pk](https://nearbypermits.com/boston/address/26-lane-pk/) | 0.21 mi E | Electrical | Installing a hardwired smoke alarm system throughout home | $6,000 | [E1871903](https://nearbypermits.com/boston/permit/E1871903/) |
| Jul 8, 2026 | [52 Lake Shore Rd](https://nearbypermits.com/boston/address/52-lake-shore-rd/) | 0.22 mi N | Fence, wall or deck | I want to remove my old 8x10 shed in my backyard and replace it in the same spot with a 6x10 shed. There is no plumbing or electricity. It is only a place to store my patio furniture, gardening tools, etc. | $6,000 | [SF1867411](https://nearbypermits.com/boston/permit/SF1867411/) |
| Jul 8, 2026 | [100-108 Lake Shore Rd](https://nearbypermits.com/boston/address/100--108-lake-shore-rd/) | 0.21 mi NW | Plumbing | Replace gas valve for stove | $250 | [G1870142](https://nearbypermits.com/boston/permit/G1870142/) |
| Jul 5, 2026 | [100-108 Lake Shore Rd](https://nearbypermits.com/boston/address/100--108-lake-shore-rd/) | 0.21 mi NW | Plumbing | Kitchen and bathroom remodel | $3,500 | [PL1862917](https://nearbypermits.com/boston/permit/PL1862917/) |
| Jul 1, 2026 | [48 Greycliff Rd](https://nearbypermits.com/boston/address/48-greycliff-rd/) | 0.20 mi E | Plumbing | Finish work on a 2 family 2 bathrooms kitchen laundry and water heater in each | $4,500 | [PL1865711](https://nearbypermits.com/boston/permit/PL1865711/) |
| Jul 1, 2026 | [48 Greycliff Rd](https://nearbypermits.com/boston/address/48-greycliff-rd/) | 0.20 mi E | Plumbing | Connecting gas and flues to 2 furnaces | $2,500 | [G1865712](https://nearbypermits.com/boston/permit/G1865712/) |
| Jun 30, 2026 | [52 Lake Shore Rd](https://nearbypermits.com/boston/address/52-lake-shore-rd/) | 0.22 mi N | Alteration or repair | Replace two attic windows in existing rough openings. | $4,400 | [SF1863737](https://nearbypermits.com/boston/permit/SF1863737/) |
| Jun 18, 2026 | [40 Lake Shore Rd](https://nearbypermits.com/boston/address/40-lake-shore-rd/) | 0.24 mi N | Alteration or repair | Install 15" R-49 cellulose above the 2nd floor flat ceilings. Insulate the enclosed slopes with 8" R-26 cellulose. Install R-13 fiberglass in the knee wall end walls. Install cellulose in the exterior walls. Install R-19 fiberglass int he perimeter accessible basement rim joist area. | $10,367 | [SF1859992](https://nearbypermits.com/boston/permit/SF1859992/) |
| Jun 4, 2026 | [100-108 Lake Shore Rd](https://nearbypermits.com/boston/address/100--108-lake-shore-rd/) | 0.21 mi NW | Alteration or repair | Removing and replacing 6 windows, replacing like with like, no structural changes. The contract is for the unit at 108 Lake Shore.; GC MUST CALL FOR INSPECTIONS | $12,572 | [SF1852794](https://nearbypermits.com/boston/permit/SF1852794/) |
| May 26, 2026 | [34 Lane Pk](https://nearbypermits.com/boston/address/34-lane-pk/) | 0.20 mi NE | Electrical | Install new hardwired 120v smoke/carbon system | $3,000 | [E1850288](https://nearbypermits.com/boston/permit/E1850288/) |
| May 26, 2026 | [7 Wade St](https://nearbypermits.com/boston/address/7-wade-st/) | 0.23 mi SE | Electrical | Install new 120v hardwired, photoelectric, 10 year sealed batter, voice alert smoke/carbon system | $3,000 | [E1848538](https://nearbypermits.com/boston/permit/E1848538/) |
| May 18, 2026 | [40 Lake Shore Rd](https://nearbypermits.com/boston/address/40-lake-shore-rd/) | 0.24 mi N | Plumbing | #39 Lake Shore #1 2nd Floor Bathroom: toilet, Lav, Shower | $2,500 | [PL1848032](https://nearbypermits.com/boston/permit/PL1848032/) |
| May 4, 2026 | [64 Undine Rd](https://nearbypermits.com/boston/address/64-undine-rd/) | 0.23 mi NW | Alteration or repair | Shoring and board up of side porch, correct violation V897293 | $4,105 | [SF1828889](https://nearbypermits.com/boston/permit/SF1828889/) |

## More on this street

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

- [2101 Commonwealth Av](https://nearbypermits.com/boston/address/2101-commonwealth-av/): newest permit Sep 17, 2026
- [2150 Commonwealth Av](https://nearbypermits.com/boston/address/2150-commonwealth-av/): newest permit Jun 25, 2026
- [2060 Commonwealth Av](https://nearbypermits.com/boston/address/2060-commonwealth-av/): newest permit Feb 3, 2025
- [2193-2201 Commonwealth Av](https://nearbypermits.com/boston/address/2193--2201-commonwealth-av/): newest permit Sep 18, 2026
- [2021 Commonwealth Av](https://nearbypermits.com/boston/address/2021-commonwealth-av/): newest permit Apr 14, 2026
- [2018 Commonwealth Av](https://nearbypermits.com/boston/address/2018-commonwealth-av/): newest permit Dec 11, 2025
- [2000 Commonwealth Av](https://nearbypermits.com/boston/address/2000-commonwealth-av/): newest permit Oct 3, 2025
- [1997-2003 Commonwealth Av](https://nearbypermits.com/boston/address/1997--2003-commonwealth-av/): newest permit Sep 11, 2025
- [1988-1992 Commonwealth Av](https://nearbypermits.com/boston/address/1988--1992-commonwealth-av/): newest permit Nov 1, 2024
- [1982-1986 Commonwealth Av](https://nearbypermits.com/boston/address/1982--1986-commonwealth-av/): newest permit Sep 11, 2025

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-08 01:47 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 23 permits at this address and 47 nearby: https://nearbypermits.com/boston/address/2121-commonwealth-av/