# Building permits at 103 Deforest St, Boston, MA One permit on record here. The newest, Jan 21: Residential weatherization/air sealing. Within a quarter mile, the city has issued 39 more permits (37 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jan 21, 2026 | Alteration or repair | Residential weatherization/air sealing. No structural changes. (693178416) | $2,000 | [SF1809334](https://nearbypermits.com/boston/permit/SF1809334/) | ## Within ¼ mi since May 1, 2026 39 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 17, 2026 | [109 Deforest St](https://nearbypermits.com/boston/address/109-deforest-st/) | 100 ft NW | Plumbing | Add 1 new full bath 2nd floor | $9,000 | [PL1888379](https://nearbypermits.com/boston/permit/PL1888379/) | | Aug 12, 2026 | [96 Deforest St](https://nearbypermits.com/boston/address/96-deforest-st/) | 130 ft SW | Electrical | Temporarily detach and reattach existing electrical service for siding installation. Install 4 light fixture boxes, 2 sconces, and 2 exterior outlets | $2,000 | [E1885730](https://nearbypermits.com/boston/permit/E1885730/) | | May 18, 2026 | [96 Deforest St](https://nearbypermits.com/boston/address/96-deforest-st/) | 130 ft SW | Roofing | strip existing wood shingles, install 18 square of Hardie siding, new pvc trim on entire house. | $27,500 | [SF1850372](https://nearbypermits.com/boston/permit/SF1850372/) | ### This block (250 to 1,000 ft), 23 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 25, 2026 | [46 Alpheus Rd](https://nearbypermits.com/boston/address/46-alpheus-rd/) | 920 ft NE | Electrical | Replace meter socket for Eversource AMI project | $2,000 | [E1891390](https://nearbypermits.com/boston/permit/E1891390/) | | Sep 8, 2026 | [619 Poplar St](https://nearbypermits.com/boston/address/619-poplar-st/) | 390 ft W | Plumbing | adding a new bathroom, Remodeling existing bathroom and kitchen. | $9,000 | [PL1890962](https://nearbypermits.com/boston/permit/PL1890962/) | | Sep 1, 2026 | [149 Deforest St](https://nearbypermits.com/boston/address/149-deforest-st/) | 600 ft N | Electrical | upgrade electrical service from 100 amps to 200amps | $5,500 | [E1891347](https://nearbypermits.com/boston/permit/E1891347/) | | Sep 1, 2026 | [149 Deforest St](https://nearbypermits.com/boston/address/149-deforest-st/) | 600 ft N | Electrical | install heat pump, water heater, and replace bathroom exhaust fan | $4,000 | [E1879118](https://nearbypermits.com/boston/permit/E1879118/) | | Aug 27, 2026 | [619 Poplar St](https://nearbypermits.com/boston/address/619-poplar-st/) | 390 ft W | Plumbing | Gas dryer | $1,000 | [G1890981](https://nearbypermits.com/boston/permit/G1890981/) | | Aug 25, 2026 | [5 Asheville Rd](https://nearbypermits.com/boston/address/5-asheville-rd/) | 840 ft SE | Alteration or repair | Remove and replace 2 entry doors; like for like size; no structural changes | $19,067 | [SF1879316](https://nearbypermits.com/boston/permit/SF1879316/) | | Aug 24, 2026 | [149 Deforest St](https://nearbypermits.com/boston/address/149-deforest-st/) | 600 ft N | Alteration or repair | Air seal the building envelope and install cellulose insulation in the exterior walls and attic (R-38). The project includes weatherstripping, door sweeps, and pre- and post-installation blower door and CAZ testing. | $7,895 | [SF1879085](https://nearbypermits.com/boston/permit/SF1879085/) | | Aug 21, 2026 | [603 Poplar St](https://nearbypermits.com/boston/address/603-poplar-st/) | 470 ft NW | Plumbing | replacement of a range | $200 | [G1868171](https://nearbypermits.com/boston/permit/G1868171/) | | Jul 30, 2026 | [50 Grassmere Rd](https://nearbypermits.com/boston/address/50-grassmere-rd/) | 620 ft E | Alteration or repair | Install IntelliBrace(s) to stabilize bowing or leaning wall(s) | $20,000 | [ALT1855183](https://nearbypermits.com/boston/permit/ALT1855183/) | | Jul 15, 2026 | [619 Poplar St](https://nearbypermits.com/boston/address/619-poplar-st/) | 390 ft W | Alteration or repair | Renovating the interior of the 1st floor. Renovating the existing bathroom and kitchen and adding an additional bathroom. | $170,000 | [SF1869983](https://nearbypermits.com/boston/permit/SF1869983/) | | Jul 9, 2026 | [558 Poplar St](https://nearbypermits.com/boston/address/558-poplar-st/) | 850 ft N | Electrical | Vinyl Siding Job, Float meter and remove lights | $1,000 | [E1870851](https://nearbypermits.com/boston/permit/E1870851/) | | Jun 15, 2026 | [559 Poplar St](https://nearbypermits.com/boston/address/559-poplar-st/) | 820 ft NW | Roofing | Replace asphalt roof and Hardie plank siding | $13,200 | [SF1855243](https://nearbypermits.com/boston/permit/SF1855243/) | | Jun 11, 2026 | [343 West St](https://nearbypermits.com/boston/address/343-west-st/) | 970 ft S | Plumbing | Boiler replacement in Unit 1 only. | $7,000 | [PL1858403](https://nearbypermits.com/boston/permit/PL1858403/) | | Jun 11, 2026 | [343 West St](https://nearbypermits.com/boston/address/343-west-st/) | 970 ft S | Plumbing | Boiler replacement in Unit 1 only. | $7,000 | [G1858398](https://nearbypermits.com/boston/permit/G1858398/) | | Jun 10, 2026 | [616 Poplar St](https://nearbypermits.com/boston/address/616-poplar-st/) | 260 ft W | Roofing | Remove existing roofing materials (up to 2 layers) and replace asphalt shingle roofing system. Install ice & water shield, synthetic underlayment, drip edge, flashing, ridge vent, starter shingles, pipe collars, and new CertainTeed Landmark architectural shingles. Repair chimney flashing as needed. | $10,320 | [SF1855559](https://nearbypermits.com/boston/permit/SF1855559/) | | Jun 10, 2026 | [1 Asheville Rd](https://nearbypermits.com/boston/address/1-asheville-rd/) | 840 ft SE | Alteration or repair | Insulate attic and kneewall | $5,446 | [SF1855475](https://nearbypermits.com/boston/permit/SF1855475/) | | Jun 10, 2026 | [395 West St](https://nearbypermits.com/boston/address/395-west-st/) | 400 ft S | Roofing | Strip and reroof entire house and install certainteed asphalt shingles in accordance with state and locoal codes | $9,410 | [SF1827044](https://nearbypermits.com/boston/permit/SF1827044/) | | Jun 8, 2026 | [19 Weeks Av](https://nearbypermits.com/boston/address/19-weeks-av/) | 820 ft NE | Alteration or repair | Remove and dispose of the existing garage siding, fascia, soffit, two exterior | $18,405 | [SF1850068](https://nearbypermits.com/boston/permit/SF1850068/) | | Jun 8, 2026 | [355 West St](https://nearbypermits.com/boston/address/355-west-st/) | 780 ft S | Roofing | We will be stripping off old roofing down to the decking and adding on new weather tight roofing | $18,000 | [SF1848858](https://nearbypermits.com/boston/permit/SF1848858/) | | May 24, 2026 | [34 Hallron St](https://nearbypermits.com/boston/address/34-hallron-st/) | 600 ft SE | Plumbing | replacement of a range | $200 | [G1852500](https://nearbypermits.com/boston/permit/G1852500/) | | May 18, 2026 | [395 West St](https://nearbypermits.com/boston/address/395-west-st/) | 400 ft S | Alteration or repair | Insulate attic with cellulose | $2,443 | [SF1836938](https://nearbypermits.com/boston/permit/SF1836938/) | | May 12, 2026 | [38 Hallron St](https://nearbypermits.com/boston/address/38-hallron-st/) | 630 ft E | Alteration or repair | Repair siding, trim on windows and soffit. Replace rotted wood and shingles on siding. | $28,500 | [SF1843128](https://nearbypermits.com/boston/permit/SF1843128/) | | May 11, 2026 | [34 Hallron St](https://nearbypermits.com/boston/address/34-hallron-st/) | 600 ft SE | Solar | Installation of roof mounted photovoltaic solar systems, 5.33 kw 13 panels with installation of 1 tesla powerwall3 battery installated on exterior of home | $57,000 | [SF1842493](https://nearbypermits.com/boston/permit/SF1842493/) | ### Farther (1,000 ft to ¼ mi), 13 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [525 Poplar St](https://nearbypermits.com/boston/address/525-poplar-st/) | 0.24 mi N | Electrical | Meter replacement as part of Eversource's AMI project | $1,500 | [E1904522](https://nearbypermits.com/boston/permit/E1904522/) | | Sep 29, 2026 | [523 Poplar St](https://nearbypermits.com/boston/address/523-poplar-st/) | 0.24 mi N | Roofing | Remove existing roofing shingles & replace with new | $48,327 | [SF1901264](https://nearbypermits.com/boston/permit/SF1901264/) | | Aug 10, 2026 | [523 Poplar St](https://nearbypermits.com/boston/address/523-poplar-st/) | 0.24 mi N | Alteration or repair | Insulate walls and attic with cellulose | $11,787 | [SF1833547](https://nearbypermits.com/boston/permit/SF1833547/) | | Aug 4, 2026 | [529 Poplar St](https://nearbypermits.com/boston/address/529-poplar-st/) | 0.23 mi N | Roofing | remove and install 15sq asphalt roofing | $11,000 | [SF1864957](https://nearbypermits.com/boston/permit/SF1864957/) | | Aug 4, 2026 | [29 Bateman St](https://nearbypermits.com/boston/address/29-bateman-st/) | 0.22 mi N | Plumbing | water heater replacement | $650 | [PL1880180](https://nearbypermits.com/boston/permit/PL1880180/) | | Aug 4, 2026 | [29 Bateman St](https://nearbypermits.com/boston/address/29-bateman-st/) | 0.22 mi N | Plumbing | water heater replacement | $650 | [G1880177](https://nearbypermits.com/boston/permit/G1880177/) | | Jul 31, 2026 | [90 Lodgehill Rd](https://nearbypermits.com/boston/address/90-lodgehill-rd/) | 0.21 mi SE | Plumbing | Install of a whole house generator | $2,500 | [G1877830](https://nearbypermits.com/boston/permit/G1877830/) | | Jul 28, 2026 | [90 Lodgehill Rd](https://nearbypermits.com/boston/address/90-lodgehill-rd/) | 0.21 mi SE | Electrical | Supply and install standby generator with trench | $7,000 | [E1875817](https://nearbypermits.com/boston/permit/E1875817/) | | Jul 15, 2026 | [26 Bateman St](https://nearbypermits.com/boston/address/26-bateman-st/) | 0.19 mi N | Plumbing | Gas furnace replacement | $5,500 | [G1867100](https://nearbypermits.com/boston/permit/G1867100/) | | Jun 18, 2026 | [31 Goff St](https://nearbypermits.com/boston/address/31-goff-st/) | 0.25 mi SE | Alteration or repair | Remove and replace 2 windows; no structural changes | $7,212 | [SF1858151](https://nearbypermits.com/boston/permit/SF1858151/) | | Jun 11, 2026 | [30 Deforest St](https://nearbypermits.com/boston/address/30-deforest-st/) | 0.22 mi SE | Alteration or repair | siding, windows and doors replacement | $20,000 | [SF1850644](https://nearbypermits.com/boston/permit/SF1850644/) | | Jun 10, 2026 | [322 West St](https://nearbypermits.com/boston/address/322-west-st/) | 0.24 mi S | Alteration or repair | Repair front stairs | $13,600 | [SF1859839](https://nearbypermits.com/boston/permit/SF1859839/) | | May 21, 2026 | [747 Beechmont St](https://nearbypermits.com/boston/address/747-beechmont-st/) | 0.21 mi E | Alteration or repair | remove and replace 324sq ft deck boards and railings, install new boards and rails - no digging, no framing | $23,172 | [SF1847068](https://nearbypermits.com/boston/permit/SF1847068/) | --- Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 15:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 39 nearby: https://nearbypermits.com/boston/address/103-deforest-st/