# Building permits at 21 Thomas St, Boston, MA

The biggest project within a quarter mile since May 1: a $16M alteration or repair at 20 South St, permitted Sep 17.

14 permits on record here. The newest, Oct 5: Complete Basement Wiring. Within a quarter mile, the city has issued 104 more permits (101 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 5, 2026 | Electrical | Complete Basement Wiring | $3,500 | [E1905979](https://nearbypermits.com/boston/permit/E1905979/) |
| Sep 22, 2026 | Electrical | mini split system install single zone | $8,500 | [E1902171](https://nearbypermits.com/boston/permit/E1902171/) |
| Jul 17, 2026 | Electrical | 400A service upgrade with new meter/disconnects, grounding, backboard work, refeed existing panel, add new 200A panel with surge protection, install 60A kiln circuit, 50A EV charger, basement 20A AFCI/GFCI circui | $5,000 | [E1873144](https://nearbypermits.com/boston/permit/E1873144/) |
| Jun 25, 2026 | Plumbing | Furnish and install one new utility sink in garage. Install hot and cold plumbing lines to connect with house water supply and city sewer line. General contractor will apply for building permit which Ciaran McDevitt said would cover the trench work. | $16,000 | [PL1864733](https://nearbypermits.com/boston/permit/PL1864733/) |
| Oct 19, 2021 | Alteration or repair | Add TWO (modified 8.24.21) dormers to existing attic space. Renovate existing 2nd floor bathroom. | $153,950 | [ALT1179106](https://nearbypermits.com/boston/permit/ALT1179106/) |
| Aug 18, 2021 | Plumbing | 2 1/2 baths - 1/2 bath 1st fl. renovation. 4 piece bath 2nd floor renovation. new 3 piece bath 3rd fl. | $11,900 | [PL1238680](https://nearbypermits.com/boston/permit/PL1238680/) |
| Jul 28, 2021 | Electrical | 3 Bath and 2 bedroom remodel | $7,500 | [E1227130](https://nearbypermits.com/boston/permit/E1227130/) |
| Jul 20, 2021 | Alteration or repair | Renovation of existing 1st floor bathroom; Renovation of existing 2nd floor bathroom | $63,644 | [SF1220228](https://nearbypermits.com/boston/permit/SF1220228/) |
| Jul 25, 2019 | Alteration or repair | Modify existing rear deck and install hot tub on grade, as per attached plans.; | $10,000 | [ALT898764](https://nearbypermits.com/boston/permit/ALT898764/) |
| Nov 10, 2014 | Addition | Construct mud room addition and renovate kitchen as per attached plans. | $175,000 | [ALT362669](https://nearbypermits.com/boston/permit/ALT362669/) |
| Aug 7, 2014 | Electrical | Feed and install 60A sub-panel in detached garage. | $1,700 | [E390083](https://nearbypermits.com/boston/permit/E390083/) |
| Aug 6, 2014 | Plumbing | renovate kitchen and laundry | $3,500 | [PL388038](https://nearbypermits.com/boston/permit/PL388038/) |
| Aug 6, 2014 | Plumbing | pipe gas to stove laundry and water heater | $5,500 | [G388041](https://nearbypermits.com/boston/permit/G388041/) |
| May 15, 2012 | Plumbing | Replace existing gas furnace with new gas furnace | $2,000 | [G141881](https://nearbypermits.com/boston/permit/G141881/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 4 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | [17-19 Thomas St](https://nearbypermits.com/boston/address/17--19-thomas-st/) | 100 ft E | Electrical | Wiring for air handler and ac | $900 | [E1902194](https://nearbypermits.com/boston/permit/E1902194/) |
| Sep 16, 2026 | [17-19 Thomas St](https://nearbypermits.com/boston/address/17--19-thomas-st/) | 100 ft E | Electrical | wiring for furnace and condenser | $1,150 | [E1900554](https://nearbypermits.com/boston/permit/E1900554/) |
| Sep 16, 2026 | [3 Brewer St](https://nearbypermits.com/boston/address/3-brewer-st/) | 200 ft N | Alteration or repair | Install French Drain and sump pump, install concrete slab | $20,183 | [ALT1888981](https://nearbypermits.com/boston/permit/ALT1888981/) |
| Jul 1, 2026 | [17-19 Thomas St](https://nearbypermits.com/boston/address/17--19-thomas-st/) | 100 ft E | Plumbing | Furnace replacement | $8,000 | [G1866950](https://nearbypermits.com/boston/permit/G1866950/) |

### This block (250 to 1,000 ft), 54 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [11 Myrtle St](https://nearbypermits.com/boston/address/11-myrtle-st/) | 970 ft N | Electrical | Meter replacement for Eversource's AMI project | $2,000 | [E1904472](https://nearbypermits.com/boston/permit/E1904472/) |
| Sep 22, 2026 | [27r Eliot St](https://nearbypermits.com/boston/address/27r-eliot-st/) | 350 ft NW | Electrical | Install 20-amp 240-volt circuit with fusible/lockable disconnect switch for 1 level elevator/chair lift. | $2,000 | [E1902210](https://nearbypermits.com/boston/permit/E1902210/) |
| Sep 22, 2026 | [44 Holbrook St](https://nearbypermits.com/boston/address/44-holbrook-st/) | 630 ft W | Alteration or repair | Confirm occupancy of existing single family.; | Not listed | [ALT1874866](https://nearbypermits.com/boston/permit/ALT1874866/) |
| Sep 21, 2026 | [62 Dunster Rd](https://nearbypermits.com/boston/address/62-dunster-rd/) | 830 ft W | Alteration or repair | Renovate existing first floor full bathroom. Remove existing tub, toilet, vanity, tiles. Install new tiles and fixtures. | $60,000 | [SF1900717](https://nearbypermits.com/boston/permit/SF1900717/) |
| Sep 17, 2026 | [10 Thomas St](https://nearbypermits.com/boston/address/10-thomas-st/) | 270 ft S | Alteration or repair | Confirm occupancy of existing single-family dwelling. | Not listed | [ALT1890805](https://nearbypermits.com/boston/permit/ALT1890805/) |
| Sep 17, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Alteration or repair | HVAC Renovation, Pool and pool equipment Renovation, Roof renovation, plumbing, Electrical, sprinkler, and Exterior Renovation | $16,128,800 | [ALT1853295](https://nearbypermits.com/boston/permit/ALT1853295/) |
| Sep 8, 2026 | [31 Alveston St](https://nearbypermits.com/boston/address/31-alveston-st/) | 940 ft SE | Fire systems | Wire, Supply and Install FA Addressable System - Install Sprinkler Control Panel. | $12,000 | [EFA1897882](https://nearbypermits.com/boston/permit/EFA1897882/) |
| Aug 28, 2026 | [663-671 Centre St](https://nearbypermits.com/boston/address/663--671-centre-st/) | 620 ft NE | Sign | Replace store sign with the same size but different design | $2,000 | [SF1895682](https://nearbypermits.com/boston/permit/SF1895682/) |
| Aug 26, 2026 | [39 Eliot St](https://nearbypermits.com/boston/address/39-eliot-st/) | 650 ft NW | Plumbing | Install proper backflow for irrigation system. | $2,500 | [PL1891874](https://nearbypermits.com/boston/permit/PL1891874/) |
| Aug 21, 2026 | [10 Thomas St](https://nearbypermits.com/boston/address/10-thomas-st/) | 270 ft S | Alteration or repair | Replace clapboards, windows and trim of northern half of house, excluding bay Install zip sheathing over existing board sheathing, tape seams Replace windows with added bucks to accommodate exterior insulation,etc add 2"(?) mineral wool, rain screen battens cedar (or equivalent) clapboards new trim | $12,000 | [SF1888515](https://nearbypermits.com/boston/permit/SF1888515/) |
| Aug 14, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Plumbing | disconnect/reconnect the gas line for the dehumidification unit possibly (there are no fixtures) | $10,000 | [G1886162](https://nearbypermits.com/boston/permit/G1886162/) |
| Aug 12, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Electrical | Provide low voltage interlock wiring or HVAC upgrades. 1-Eru, 2-fcus and 3-efs. All work will take place above ground. | $8,000 | [ELV1886361](https://nearbypermits.com/boston/permit/ELV1886361/) |
| Aug 6, 2026 | [23-25 Starr Ln](https://nearbypermits.com/boston/address/23--25-starr-ln/) | 860 ft NE | Alteration or repair | Replace rear decking and built in sitting area. Replace decking on two step stair and rail with Garapa Iron Wood. | $8,900 | [SF1883495](https://nearbypermits.com/boston/permit/SF1883495/) |
| Aug 5, 2026 | [25 Eliot St](https://nearbypermits.com/boston/address/25-eliot-st/) | 340 ft W | Roofing | Reroofing the shingles | $20,679 | [SF1880055](https://nearbypermits.com/boston/permit/SF1880055/) |
| Aug 4, 2026 | [23 Holbrook St](https://nearbypermits.com/boston/address/23-holbrook-st/) | 520 ft SW | Plumbing | water heater | $600 | [PL1877827](https://nearbypermits.com/boston/permit/PL1877827/) |
| Aug 4, 2026 | [23 Holbrook St](https://nearbypermits.com/boston/address/23-holbrook-st/) | 520 ft SW | Plumbing | water heater replacement | $650 | [G1877826](https://nearbypermits.com/boston/permit/G1877826/) |
| Aug 3, 2026 | [632-638 Centre St](https://nearbypermits.com/boston/address/632--638-centre-st/) | 950 ft NE | Plumbing | Remodeling 1st Floor: Lavatory sink, 1 Shampoo sink Commerical space. | $1,800 | [PL1880712](https://nearbypermits.com/boston/permit/PL1880712/) |
| Jul 30, 2026 | [76 Dunster Rd](https://nearbypermits.com/boston/address/76-dunster-rd/) | 930 ft W | Fence, wall or deck | install 35 Harvey and 3 Simonton replacement windows and 2 Anderson storm doors and 1 Anderson patio door. Energy star, inserts only with no structural work | $34,190 | [SF1875279](https://nearbypermits.com/boston/permit/SF1875279/) |
| Jul 30, 2026 | [16 Holbrook St](https://nearbypermits.com/boston/address/16-holbrook-st/) | 670 ft SW | Electrical | Updating 100 amp service to 200 amp service with common meter bypass. Wire one 40 amp electric range. | $6,500 | [E1879756](https://nearbypermits.com/boston/permit/E1879756/) |
| Jul 24, 2026 | [47 Dunster Rd](https://nearbypermits.com/boston/address/47-dunster-rd/) | 690 ft SW | Plumbing | Replacing bathroom fixtures. | $2,500 | [PL1875877](https://nearbypermits.com/boston/permit/PL1875877/) |
| Jul 22, 2026 | [9 Myrtle St](https://nearbypermits.com/boston/address/9-myrtle-st/) | 930 ft N | Alteration or repair | Convert existing basement space for Unit 2. Reconfigure two-family space, and build kitchen additions and Window Wells/bulkheads. Home owner waiver | $140,000 | [ALT1860222](https://nearbypermits.com/boston/permit/ALT1860222/) |
| Jul 21, 2026 | [2 Park Pl](https://nearbypermits.com/boston/address/2-park-pl/) | 670 ft NE | Solar | Rooftop solar 35 panels 14.35 kwdc 15kw energy storage system to be installed on exterior wall no structural | $22,632 | [SF1864925](https://nearbypermits.com/boston/permit/SF1864925/) |
| Jul 20, 2026 | [27r Eliot St](https://nearbypermits.com/boston/address/27r-eliot-st/) | 350 ft NW | Elevator | reinforcing exiting floor for free standing elevator installed and permitted by others | $60,000 | [ALT1867676](https://nearbypermits.com/boston/permit/ALT1867676/) |
| Jul 16, 2026 | [4 Park Pl](https://nearbypermits.com/boston/address/4-park-pl/) | 630 ft N | Plumbing | Install a Bradford White 50 gallon atmospheric vent gas water heater | Not listed | [G1872938](https://nearbypermits.com/boston/permit/G1872938/) |
| Jul 14, 2026 | [47 Dunster Rd](https://nearbypermits.com/boston/address/47-dunster-rd/) | 690 ft SW | Electrical | bathroom remodel | $3,800 | [E1872501](https://nearbypermits.com/boston/permit/E1872501/) |
| Jul 13, 2026 | [32 Eliot St](https://nearbypermits.com/boston/address/32-eliot-st/) | 510 ft W | Electrical | Taking over a permit at rough stage for whole house | $60,000 | [E1867818](https://nearbypermits.com/boston/permit/E1867818/) |
| Jul 9, 2026 | [632-638 Centre St](https://nearbypermits.com/boston/address/632--638-centre-st/) | 950 ft NE | Electrical | Adding recessed lights, track lights and outlets for a barbershop | $5,800 | [E1870762](https://nearbypermits.com/boston/permit/E1870762/) |
| Jul 9, 2026 | [42 Dunster Rd](https://nearbypermits.com/boston/address/42-dunster-rd/) | 810 ft SW | Electrical | 100 amp main breaker panel replacement (due to corrosion on neutral bar) (unit 1) Wire for one 20 amp heat pump condenser (unit 1 ) Wire for one 30 amp heat pump condenser (unit 1 ) Wire 2 service outlets | $3,500 | [E1870514](https://nearbypermits.com/boston/permit/E1870514/) |
| Jul 8, 2026 | [32 Eliot St](https://nearbypermits.com/boston/address/32-eliot-st/) | 510 ft W | Plumbing | Install finish plumbing only for total house remodel. Rough plumbing completed and inspected by previous plumbing contractor. Add plumbing for new hose connections and irrigation system. | $25,000 | [PL1870042](https://nearbypermits.com/boston/permit/PL1870042/) |
| Jul 8, 2026 | [9-11 Seaverns Av](https://nearbypermits.com/boston/address/9--11-seaverns-av/) | 640 ft NE | Plumbing | Double check back flow preventer | $2,250 | [PL1867687](https://nearbypermits.com/boston/permit/PL1867687/) |
| Jul 7, 2026 | [632-638 Centre St](https://nearbypermits.com/boston/address/632--638-centre-st/) | 950 ft NE | Electrical | Electrical lights added in store place At 638 Centre st for smoke shop | $2,000 | [E1867516](https://nearbypermits.com/boston/permit/E1867516/) |
| Jun 26, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Pool or spa | Pool, locker rooms and roof upgrades. Mechanical and electrical upgrades | $2,954,100 | [SF1863004](https://nearbypermits.com/boston/permit/SF1863004/) |
| Jun 26, 2026 | [8 Greenough Av](https://nearbypermits.com/boston/address/8-greenough-av/) | 630 ft SE | Alteration or repair | Exterior trim and siding repair and replacement, roof, gutter, and downspout replacement, plus exterior paint job. | $200,000 | [SF1857038](https://nearbypermits.com/boston/permit/SF1857038/) |
| Jun 26, 2026 | [815 Centre St](https://nearbypermits.com/boston/address/815-centre-st/) | 950 ft SW | Electrical | knob and tube remediation | $8,100 | [E1865367](https://nearbypermits.com/boston/permit/E1865367/) |
| Jun 26, 2026 | [2 Park Pl](https://nearbypermits.com/boston/address/2-park-pl/) | 670 ft NE | Solar | Rooftop solar 35 panels 14.35 kwdc 15kw energy storage system to be installed on exterior wall | $75,768 | [E1864929](https://nearbypermits.com/boston/permit/E1864929/) |
| Jun 24, 2026 | [3 Agassiz Pk](https://nearbypermits.com/boston/address/3-agassiz-pk/) | 900 ft NW | Electrical | Relocate service. wire remodeled screen porch and basement stairway | $3,500 | [E1862827](https://nearbypermits.com/boston/permit/E1862827/) |
| Jun 24, 2026 | [31 Alveston St](https://nearbypermits.com/boston/address/31-alveston-st/) | 940 ft SE | Electrical | Service upgrade to 600amp 3 gang. | $5,500 | [E1862644](https://nearbypermits.com/boston/permit/E1862644/) |
| Jun 23, 2026 | [47 Dunster Rd](https://nearbypermits.com/boston/address/47-dunster-rd/) | 690 ft SW | Alteration or repair | Renovation of existing bathroom. It will be changes from bath tub to shower. Structure is not changed. Toilet and sink will be replaced and all ceiling and walls. Insulation at exterior walls and new exhaust fan. | $10,300 | [SF1864032](https://nearbypermits.com/boston/permit/SF1864032/) |
| Jun 23, 2026 | [46 Burroughs St](https://nearbypermits.com/boston/address/46-burroughs-st/) | 770 ft NW | Alteration or repair | Reinforce support wall. | $10,000 | [SF1862652](https://nearbypermits.com/boston/permit/SF1862652/) |
| Jun 23, 2026 | [34 Eliot St](https://nearbypermits.com/boston/address/34-eliot-st/) | 590 ft W | Alteration or repair | This exterior renovation of an existing front portico includes shoring up the existing roof structure and reframing the deck and stairs in the same size, same layout and same footprint. Exterior trim will be replaced in kind. | $109,908 | [SF1857768](https://nearbypermits.com/boston/permit/SF1857768/) |
| Jun 18, 2026 | [21 Holbrook St](https://nearbypermits.com/boston/address/21-holbrook-st/) | 540 ft SW | Alteration or repair | Deck Repair: Shore up and reframe 2nd and 3rd floor decks including all joists, new posts, installation of ice and water shield at ledger contact, and flashing at ledger. Railing Re-installation | $25,740 | [SF1859720](https://nearbypermits.com/boston/permit/SF1859720/) |
| Jun 16, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Plumbing | Plumbing connections to support fit out | $99,700 | [PL1858778](https://nearbypermits.com/boston/permit/PL1858778/) |
| Jun 16, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Fire systems | Replacement of duct smoke, and key switch for new ERU. Remove and re-install smoke detector for ceiling replacement | $19,370 | [EFA1860127](https://nearbypermits.com/boston/permit/EFA1860127/) |
| Jun 11, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Electrical | Installation of new emergency phone in pool area | $7,230 | [ELV1860128](https://nearbypermits.com/boston/permit/ELV1860128/) |
| Jun 11, 2026 | [20 South St](https://nearbypermits.com/boston/address/20-south-st/) | 940 ft S | Electrical | Pool Repairs - Replacement of HVAC equipment and pool equipment. | $55,640 | [E1860126](https://nearbypermits.com/boston/permit/E1860126/) |
| Jun 10, 2026 | [9 Myrtle St](https://nearbypermits.com/boston/address/9-myrtle-st/) | 930 ft N | Alteration or repair | To demo closet/wall and add a new bathroom on the second floor | $10,000 | [SF1859788](https://nearbypermits.com/boston/permit/SF1859788/) |
| Jun 8, 2026 | [81 Dunster Rd](https://nearbypermits.com/boston/address/81-dunster-rd/) | 880 ft W | Plumbing | Renew kitchen bath | $6,000 | [PL1858615](https://nearbypermits.com/boston/permit/PL1858615/) |
| Jun 8, 2026 | [81 Dunster Rd](https://nearbypermits.com/boston/address/81-dunster-rd/) | 880 ft W | Electrical | Electrical Permit Description Rewire kitchen and bathroom in Unit 1. Install new branch circuit wiring, receptacles, switches, lighting, and required AFCI/GFCI protection per code. Furnish and install one new subpanel and associated feeders. | $6,000 | [E1857659](https://nearbypermits.com/boston/permit/E1857659/) |
| Jun 1, 2026 | [741 Centre St](https://nearbypermits.com/boston/address/741-centre-st/) | 320 ft SE | Roofing | Replace the rubber roof on 743 - 745 Centre St. | $36,300 | [SF1855867](https://nearbypermits.com/boston/permit/SF1855867/) |
| May 15, 2026 | [7a Eliot St](https://nearbypermits.com/boston/address/7a-eliot-st/) | 330 ft S | Alteration or repair | Insulation Work per the request of the commercial owner | $50,000 | [SF1848675](https://nearbypermits.com/boston/permit/SF1848675/) |
| May 12, 2026 | [29 Aldworth St](https://nearbypermits.com/boston/address/29-aldworth-st/) | 950 ft SW | Mechanical (HVAC) | - Installation of 2 ductless heat pump systems to serve the home, 4 tons total | $39,738 | [SF1846298](https://nearbypermits.com/boston/permit/SF1846298/) |
| May 12, 2026 | [701-703 Centre St](https://nearbypermits.com/boston/address/701--703-centre-st/) | 330 ft E | Sign | Elec app. Per BPDA approval and engineer stamped attachment plan, install 3 sf hanging sign..E01...double face, non illuminated for Chase Bank. | $3,000 | [ALT1843836](https://nearbypermits.com/boston/permit/ALT1843836/) |
| May 6, 2026 | [29 Aldworth St](https://nearbypermits.com/boston/address/29-aldworth-st/) | 950 ft SW | Electrical | - Wiring of 2 heat pump condensers - GFCI outlets | $1,750 | [E1846300](https://nearbypermits.com/boston/permit/E1846300/) |
| May 5, 2026 | [4 Maple Pl](https://nearbypermits.com/boston/address/4-maple-pl/) | 850 ft E | Electrical | 200 amp service upgrade 2 heat pump condensers 1 water heater | $5,000 | [E1845546](https://nearbypermits.com/boston/permit/E1845546/) |

### Farther (1,000 ft to ¼ mi), 46 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | [44 Starr Ln](https://nearbypermits.com/boston/address/44-starr-ln/) | 0.20 mi E | Plumbing | water heater replacement | $500 | [PL1904142](https://nearbypermits.com/boston/permit/PL1904142/) |
| Sep 28, 2026 | [44 Starr Ln](https://nearbypermits.com/boston/address/44-starr-ln/) | 0.20 mi E | Plumbing | Water Heater Replacement | $500 | [G1904157](https://nearbypermits.com/boston/permit/G1904157/) |
| Sep 25, 2026 | [50-52 Sedgwick St](https://nearbypermits.com/boston/address/50--52-sedgwick-st/) | 0.22 mi SE | Plumbing | gas furnace replacement for unit#2 | $2,000 | [G1903871](https://nearbypermits.com/boston/permit/G1903871/) |
| Sep 23, 2026 | [26 Sedgwick St](https://nearbypermits.com/boston/address/26-sedgwick-st/) | 0.20 mi S | Roofing | remove & repalce entire roof | $21,625 | [SF1901857](https://nearbypermits.com/boston/permit/SF1901857/) |
| Sep 21, 2026 | [49 South St](https://nearbypermits.com/boston/address/49-south-st/) | 0.21 mi S | Alteration or repair | Window Replacement as per request of the customer. We are replacing 6 windows | $9,000 | [SF1902192](https://nearbypermits.com/boston/permit/SF1902192/) |
| Sep 17, 2026 | [1 Achorn Ci](https://nearbypermits.com/boston/address/1-achorn-ci/) | 0.24 mi S | Electrical | Installation of a 30a condenser | $1,500 | [E1897930](https://nearbypermits.com/boston/permit/E1897930/) |
| Sep 14, 2026 | [10 Roanoke Av](https://nearbypermits.com/boston/address/10-roanoke-av/) | 0.24 mi SE | Electrical | Electrical installation for a exterior above ground swimming pool | $4,500 | [E1900292](https://nearbypermits.com/boston/permit/E1900292/) |
| Sep 10, 2026 | [28-34 Seaverns Av](https://nearbypermits.com/boston/address/28--34-seaverns-av/) | 0.19 mi E | Electrical | Installation and wiring of replacement system into Unit #5's existing ductwork consisting of two condensers and two air handlers. | $8,724 | [E1896232](https://nearbypermits.com/boston/permit/E1896232/) |
| Aug 24, 2026 | [3 Saint John St](https://nearbypermits.com/boston/address/3-saint-john-st/) | 0.21 mi NE | Roofing | strip and install a new roof | $28,231 | [SF1890037](https://nearbypermits.com/boston/permit/SF1890037/) |
| Aug 21, 2026 | [19-21 Grovenor Rd](https://nearbypermits.com/boston/address/19--21-grovenor-rd/) | 0.24 mi N | Electrical | Wiring replacement for DMS system. This is a straight equipment replacement. | $937 | [E1890491](https://nearbypermits.com/boston/permit/E1890491/) |
| Aug 21, 2026 | [606-610 Centre St](https://nearbypermits.com/boston/address/606--610-centre-st/) | 0.24 mi NE | Electrical | For new service, Eversource will run 3 set of 4 awg from men hole to the t box in 606 Centre St basement for 400 amp and feed 4 meter gang. | $2,500 | [E1861617](https://nearbypermits.com/boston/permit/E1861617/) |
| Aug 19, 2026 | [36 Alveston St](https://nearbypermits.com/boston/address/36-alveston-st/) | 0.20 mi SE | Solar | Rooftop solar 18 panels 7.38 kwdc no ESS no structural | $7,038 | [SF1887424](https://nearbypermits.com/boston/permit/SF1887424/) |
| Aug 17, 2026 | [36 Alveston St](https://nearbypermits.com/boston/address/36-alveston-st/) | 0.20 mi SE | Solar | Rooftop solar 18 panels 7.38 kwdc no ESS | $23,562 | [E1887425](https://nearbypermits.com/boston/permit/E1887425/) |
| Aug 11, 2026 | [10 Roanoke Av](https://nearbypermits.com/boston/address/10-roanoke-av/) | 0.24 mi SE | Pool or spa | Install An Above Ground Aluminum Pool, 12' x 24' swim area, 16' x 34' with integrated safety fence/deck dimensions.;e[Plans] filed. | $15,000 | [ALT1877951](https://nearbypermits.com/boston/permit/ALT1877951/) |
| Aug 11, 2026 | [28 Carolina Av](https://nearbypermits.com/boston/address/28-carolina-av/) | 0.23 mi S | Roofing | CLARIFICATION: Change the occupancy of existing roofing contractor's commercial dwelling into a three family home per plans submitted.;(This is one of two detached dwellings on the same lot and the total number of units shall equal six with 6 shared off street parking spaces);*APPLICATION FILED INCO | $750,000 | [ALT1682244](https://nearbypermits.com/boston/permit/ALT1682244/) |
| Aug 11, 2026 | [30 Carolina Av](https://nearbypermits.com/boston/address/30-carolina-av/) | 0.24 mi S | Alteration or repair | CLARIFICATION: Change of occupancy of the existing garage into a three family home per plans submitted. (This is one of two detached dwellings on the same lot and the total number of units shall equal six with 6 shared off street parking spaces);*APPLICATION FILED IN CONJUNCTION WITH -ALT1682244Orig | $750,000 | [ALT1681326](https://nearbypermits.com/boston/permit/ALT1681326/) |
| Aug 4, 2026 | [15-15r Myrtle St](https://nearbypermits.com/boston/address/15--15r-myrtle-st/) | 0.19 mi N | Plumbing | 2 backflow preventors on new boilers | $1,000 | [PL1882219](https://nearbypermits.com/boston/permit/PL1882219/) |
| Aug 4, 2026 | [15-15r Myrtle St](https://nearbypermits.com/boston/address/15--15r-myrtle-st/) | 0.19 mi N | Plumbing | replace 2 gas boilers | $5,000 | [G1882211](https://nearbypermits.com/boston/permit/G1882211/) |
| Aug 4, 2026 | [42 Aldworth St](https://nearbypermits.com/boston/address/42-aldworth-st/) | 0.19 mi SW | Plumbing | Gas stove | $2,500 | [G1878378](https://nearbypermits.com/boston/permit/G1878378/) |
| Jul 29, 2026 | [22 Aldworth St](https://nearbypermits.com/boston/address/22-aldworth-st/) | 0.20 mi SW | Electrical | Installation and wiring of ductless system consisting of two condensers and five mini split heads. Service upgrade 100A > 200A to maintain amperage UA#27386943 | $25,185 | [SF1868608](https://nearbypermits.com/boston/permit/SF1868608/) |
| Jul 7, 2026 | [22 Aldworth St](https://nearbypermits.com/boston/address/22-aldworth-st/) | 0.20 mi SW | Electrical | Installation and wiring of ductless system consisting of two condensers and five mini split heads. Service upgrade 100A > 200A to maintain amperage UA#27386943 | $8,395 | [E1868626](https://nearbypermits.com/boston/permit/E1868626/) |
| Jul 29, 2026 | [57 Orchard St](https://nearbypermits.com/boston/address/57-orchard-st/) | 0.23 mi W | Electrical | Electrical service upgrade | $8,000 | [E1879521](https://nearbypermits.com/boston/permit/E1879521/) |
| Jul 28, 2026 | [42 Aldworth St](https://nearbypermits.com/boston/address/42-aldworth-st/) | 0.19 mi SW | Plumbing | Replace kitchen sink, dishwasher and garbage disposal | $2,500 | [PL1878391](https://nearbypermits.com/boston/permit/PL1878391/) |
| Jul 20, 2026 | [100 Pond St](https://nearbypermits.com/boston/address/100-pond-st/) | 0.23 mi NW | Roofing | re-roof and repairs | $561,100 | [SF1874165](https://nearbypermits.com/boston/permit/SF1874165/) |
| Jul 16, 2026 | [61-71 Burroughs St](https://nearbypermits.com/boston/address/61--71-burroughs-st/) | 0.22 mi NW | Roofing | Remove and replace EPDM roofing, insulation, flashing and edge metal. Replace parapet cap, PVC wall panels, trim and siding. Replace composite deck boards and repair deck framing as needed. Replace deteriorated wood. No structural alterations. | $34,976 | [SF1868241](https://nearbypermits.com/boston/permit/SF1868241/) |
| Jun 25, 2026 | [18 Arborway Te](https://nearbypermits.com/boston/address/18-arborway-te/) | 0.24 mi SW | Alteration or repair | Demolition of existing 4'x7'6" pressure treated wood deck and build a new one with same design and dimensions. | $5,955 | [SF1861597](https://nearbypermits.com/boston/permit/SF1861597/) |
| Jun 11, 2026 | [14 Grovenor Rd](https://nearbypermits.com/boston/address/14-grovenor-rd/) | 0.20 mi N | Alteration or repair | Mass Save Insulation & Air Sealing. No Structural Changes. | $13,863 | [SF1856575](https://nearbypermits.com/boston/permit/SF1856575/) |
| Jun 9, 2026 | [609 Centre St](https://nearbypermits.com/boston/address/609-centre-st/) | 0.23 mi N | Plumbing | remove existing Tank Type Water Heater (Gas) and replace with a new Tank Type Water Heater (Gas) - 609 Centre Street #3 Jamaica Plain, MA 02130 USA | $1,000 | [G1855593](https://nearbypermits.com/boston/permit/G1855593/) |
| May 28, 2026 | [609 Centre St](https://nearbypermits.com/boston/address/609-centre-st/) | 0.23 mi N | Plumbing | Remove existing Tank Type Water Heater (Gas) and replace with a new Tank Type Water Heater (Gas) - 609 Centre Street #3 Jamaica Plain, MA 02130 USA | $500 | [PL1855599](https://nearbypermits.com/boston/permit/PL1855599/) |
| Jun 5, 2026 | [41 Orchard St](https://nearbypermits.com/boston/address/41-orchard-st/) | 0.22 mi W | Electrical | wire new kitchen area with lights, power and appliances | $7,500 | [E1857251](https://nearbypermits.com/boston/permit/E1857251/) |
| Jun 4, 2026 | [15-17 Grovenor Rd](https://nearbypermits.com/boston/address/15--17-grovenor-rd/) | 0.22 mi N | Roofing | strip existing rubber roofing. Install new fiber board. Install commercial grade.060 gauge rubber membrane. C6 drip edge on perimeter of roof. | $30,000 | [SF1846534](https://nearbypermits.com/boston/permit/SF1846534/) |
| May 29, 2026 | [42 Aldworth St](https://nearbypermits.com/boston/address/42-aldworth-st/) | 0.19 mi SW | Roofing | Replace decking boards with AZEK Patch in loose shingles Paint deck | $10,000 | [SF1850631](https://nearbypermits.com/boston/permit/SF1850631/) |
| May 27, 2026 | [42 Aldworth St](https://nearbypermits.com/boston/address/42-aldworth-st/) | 0.19 mi SW | Alteration or repair | In-place kitchen renovation with new cabinets and countertops. Relocate kitchen sink to beneath windows. | $45,000 | [SF1849193](https://nearbypermits.com/boston/permit/SF1849193/) |
| May 22, 2026 | [11 Revere St](https://nearbypermits.com/boston/address/11-revere-st/) | 0.24 mi E | Electrical | replacing meter bank in basement | $12,000 | [E1852432](https://nearbypermits.com/boston/permit/E1852432/) |
| May 22, 2026 | [11 Revere St](https://nearbypermits.com/boston/address/11-revere-st/) | 0.24 mi E | Electrical | work is only being done in unit 6 and this consist of replacing the in unit panel, adding recessed lighting and undercabinet lighting in the kitchen. | $8,000 | [E1850377](https://nearbypermits.com/boston/permit/E1850377/) |
| May 15, 2026 | [60 Burroughs St](https://nearbypermits.com/boston/address/60-burroughs-st/) | 0.22 mi NW | Alteration or repair | Installation and wiring of replacement system into existing ductwork consisting of one condenser and one air handler. | $15,051 | [SF1849075](https://nearbypermits.com/boston/permit/SF1849075/) |
| May 15, 2026 | [21 Aldworth St](https://nearbypermits.com/boston/address/21-aldworth-st/) | 0.19 mi SW | Alteration or repair | Installation and wiring of ductless system consisting of one condenser and four mini split heads | $18,689 | [SF1848801](https://nearbypermits.com/boston/permit/SF1848801/) |
| May 15, 2026 | [18 Pond St](https://nearbypermits.com/boston/address/18-pond-st/) | 0.24 mi N | Alteration or repair | Installation and wiring of ductless system consisting of one condenser and one mini split head. | $5,689 | [SF1847576](https://nearbypermits.com/boston/permit/SF1847576/) |
| May 15, 2026 | [60 Burroughs St](https://nearbypermits.com/boston/address/60-burroughs-st/) | 0.22 mi NW | Electrical | Installation and wiring of replacement system into existing ductwork consisting of one condenser and one air handler. | $5,017 | [E1849076](https://nearbypermits.com/boston/permit/E1849076/) |
| May 15, 2026 | [21 Aldworth St](https://nearbypermits.com/boston/address/21-aldworth-st/) | 0.19 mi SW | Electrical | Installation and wiring of ductless system consisting of one condenser and four mini split heads | $6,230 | [E1848817](https://nearbypermits.com/boston/permit/E1848817/) |
| May 11, 2026 | [18 Pond St](https://nearbypermits.com/boston/address/18-pond-st/) | 0.24 mi N | Electrical | Installation and wiring of ductless system consisting of one condenser and one mini split head. | $1,896 | [E1847577](https://nearbypermits.com/boston/permit/E1847577/) |
| May 4, 2026 | [48-50 Seaverns Av](https://nearbypermits.com/boston/address/48--50-seaverns-av/) | 0.23 mi E | Plumbing | water heater @ #50 | $650 | [PL1844509](https://nearbypermits.com/boston/permit/PL1844509/) |
| May 4, 2026 | [57 Orchard St](https://nearbypermits.com/boston/address/57-orchard-st/) | 0.23 mi W | Plumbing | Kitchen renovation. Master suite addition | $15,000 | [PL1844322](https://nearbypermits.com/boston/permit/PL1844322/) |
| May 4, 2026 | [48-50 Seaverns Av](https://nearbypermits.com/boston/address/48--50-seaverns-av/) | 0.23 mi E | Plumbing | water heater replacement @ #50 | $650 | [G1844498](https://nearbypermits.com/boston/permit/G1844498/) |
| May 4, 2026 | [57 Orchard St](https://nearbypermits.com/boston/address/57-orchard-st/) | 0.23 mi W | Plumbing | Install of gas stove | $1,500 | [G1844326](https://nearbypermits.com/boston/permit/G1844326/) |
| May 4, 2026 | [57 Orchard St](https://nearbypermits.com/boston/address/57-orchard-st/) | 0.23 mi W | Electrical | Electrical wiring for the addition on the back of the residence | $22,000 | [E1844003](https://nearbypermits.com/boston/permit/E1844003/) |

## More on this street

Other addresses on Thomas St with permits, nearest house number first:

- [17-19 Thomas St](https://nearbypermits.com/boston/address/17--19-thomas-st/): newest permit Sep 24, 2026
- [16 Thomas St](https://nearbypermits.com/boston/address/16-thomas-st/): newest permit Nov 20, 2025
- [14 Thomas St](https://nearbypermits.com/boston/address/14-thomas-st/): newest permit Jan 28, 2026
- [12 Thomas St](https://nearbypermits.com/boston/address/12-thomas-st/): newest permit Dec 3, 2025
- [10 Thomas St](https://nearbypermits.com/boston/address/10-thomas-st/): newest permit Sep 17, 2026

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 12:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 14 permits at this address and 104 nearby: https://nearbypermits.com/boston/address/21-thomas-st/