# Building permits at 40 Prospect St, Boston, MA Four permits on record here. The newest, May 28: Removing and replacing 5 windows. Within a quarter mile, the city has issued 34 more permits (31 projects) since May 1. Two are for new buildings, the nearest 0.20 mi away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | May 28, 2026 | Alteration or repair | Removing and replacing 5 windows, replacing like with like, no structural changes. | $5,268 | [SF1849340](https://nearbypermits.com/boston/permit/SF1849340/) | | Apr 17, 2025 | Electrical | To place a 6 x 8 shed in back yard, for yard maintenance tools. No electrical wiring. | $4,300 | [SF1710399](https://nearbypermits.com/boston/permit/SF1710399/) | | Oct 9, 2023 | Alteration or repair | Residential weatherization/air sealing. No structural changes. (16060085) | $1,000 | [SF1529089](https://nearbypermits.com/boston/permit/SF1529089/) | | May 4, 2010 | Alteration or repair | install vinyl siding and install new bulkhead replace existing porch same size and styile install 3storm doors and replace rotton facsia and soffit around home with gutters install 10 replacement windows in exiting opening | $26,900 | [SF24457](https://nearbypermits.com/boston/permit/SF24457/) | ## Within ¼ mi since May 1, 2026 34 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 | |---|---|---|---|---|---|---| | Oct 1, 2026 | [306 Fairmount Av](https://nearbypermits.com/boston/address/306-fairmount-av/) | 180 ft S | Alteration or repair | air sealing, door kits, attic r-30 FG batting, basement R-19 FG batting, garage 4in dense pack cellulose, whole house fan cover, damming | $6,650 | [SF1894062](https://nearbypermits.com/boston/permit/SF1894062/) | | Aug 27, 2026 | [5 Prospect Ci](https://nearbypermits.com/boston/address/5-prospect-ci/) | 55 ft SE | Electrical | wire existing kitchen new family room and master bedroom addition with new master bath and new smoke detectors | $20,000 | [E1894713](https://nearbypermits.com/boston/permit/E1894713/) | | Jul 27, 2026 | [5 Prospect Ci](https://nearbypermits.com/boston/address/5-prospect-ci/) | 55 ft SE | Plumbing | Installation of various plumbing fixtures. | $8,500 | [PL1877649](https://nearbypermits.com/boston/permit/PL1877649/) | | May 19, 2026 | [48 Prospect St](https://nearbypermits.com/boston/address/48-prospect-st/) | 140 ft SW | Plumbing | replace existing tub/shower valve and drain with new shower valve and drain | $1,895 | [PL1851232](https://nearbypermits.com/boston/permit/PL1851232/) | ### This block (250 to 1,000 ft), 18 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [133 Warren Av](https://nearbypermits.com/boston/address/133-warren-av/) | 400 ft NW | Electrical | Replace storm-damaged exterior 100A overhead electrical service, including mast, weatherhead, meter socket, and service entrance conductors. Reconnect existing service in accordance with applicable code and utility requirements. | $2,000 | [E1905753](https://nearbypermits.com/boston/permit/E1905753/) | | Sep 28, 2026 | [8 Prospect St](https://nearbypermits.com/boston/address/8-prospect-st/) | 480 ft NE | Roofing | Remove existing roofing and install new asphalt singles, underlayment, ice and water shield, flashing, and roof ventilation as required. replace damage roof decking as needed. | $16,280 | [SF1904988](https://nearbypermits.com/boston/permit/SF1904988/) | | Sep 17, 2026 | [119 Warren Av](https://nearbypermits.com/boston/address/119-warren-av/) | 670 ft NW | Alteration or repair | Demo existing landing and steps. Keep footings. Build new frame and stringers with PT lumber. Finish with composite/pvc materials and handrail | $4,374 | [SF1896219](https://nearbypermits.com/boston/permit/SF1896219/) | | Sep 15, 2026 | [136 Milton Av](https://nearbypermits.com/boston/address/136-milton-av/) | 940 ft N | Alteration or repair | Install manual garage door no electricity. Repair garage windows, replace side door. Repair rear steps. Repair rear door. Install storm doors at front, rear and roof deck. Repair wood shutters. Repair ceiling in bedroom / closet. Paint sunroom / French doors. Repair 6 bath tiles. Replace 6' trim. | $53,860 | [SF1896206](https://nearbypermits.com/boston/permit/SF1896206/) | | Aug 5, 2026 | [16 Prospect St](https://nearbypermits.com/boston/address/16-prospect-st/) | 350 ft NE | Alteration or repair | Residential weatherization/air sealing. No structural changes. Site ID: 864530 | $6,000 | [SF1870398](https://nearbypermits.com/boston/permit/SF1870398/) | | Jul 20, 2026 | [73 Summit St](https://nearbypermits.com/boston/address/73-summit-st/) | 960 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 10.25 KW 25 panels with installation of 1 franklin battery installed on exterior of home | $64,800 | [SF1873337](https://nearbypermits.com/boston/permit/SF1873337/) | | Jul 20, 2026 | [73 Summit St](https://nearbypermits.com/boston/address/73-summit-st/) | 960 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 10.25 KW 25 panels with installation of 1 franklin battery installed on exterior of home | $64,800 | [E1873340](https://nearbypermits.com/boston/permit/E1873340/) | | Jul 20, 2026 | [285 Fairmount Av](https://nearbypermits.com/boston/address/285-fairmount-av/) | 500 ft W | Roofing | Strip and re-roof: commercial-grade black EPDM rubber roofing membrane // CertainTeed Landmark architectural shingles | $22,290 | [SF1871850](https://nearbypermits.com/boston/permit/SF1871850/) | | Jun 26, 2026 | [8 Prospect St](https://nearbypermits.com/boston/address/8-prospect-st/) | 480 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 4.05 kw 9 panels NO BATTERY STORAGE | $29,988 | [SF1858017](https://nearbypermits.com/boston/permit/SF1858017/) | | Jun 23, 2026 | [8 Prospect St](https://nearbypermits.com/boston/address/8-prospect-st/) | 480 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 4.05 kw 9 panels NO BATTERY STORAGE | $29,988 | [E1858019](https://nearbypermits.com/boston/permit/E1858019/) | | May 5, 2026 | [8 Prospect St](https://nearbypermits.com/boston/address/8-prospect-st/) | 480 ft NE | Solar | Installation of roof mounted photovoltaic solar systems, 3.6 kw 8 panels NO BATTERY STORAGE | $29,700 | [SF1841604](https://nearbypermits.com/boston/permit/SF1841604/) | | Jun 26, 2026 | [119 Warren Av](https://nearbypermits.com/boston/address/119-warren-av/) | 670 ft NW | Roofing | strip existing epdm roof. Install new epdm rubber roof. | $33,950 | [SF1797708](https://nearbypermits.com/boston/permit/SF1797708/) | | Jun 25, 2026 | [19 Farwell Av](https://nearbypermits.com/boston/address/19-farwell-av/) | 670 ft N | Solar | Temporarily remove and reinstall existing solar equipment on side of home so that exterior renovations can be completed. | $563 | [E1863080](https://nearbypermits.com/boston/permit/E1863080/) | | Jun 15, 2026 | [19 Farwell Av](https://nearbypermits.com/boston/address/19-farwell-av/) | 670 ft N | Roofing | shingle replacement | $8,000 | [SF1858815](https://nearbypermits.com/boston/permit/SF1858815/) | | May 14, 2026 | [136 Milton Av](https://nearbypermits.com/boston/address/136-milton-av/) | 940 ft N | Electrical | ev charger | $1,000 | [E1823160](https://nearbypermits.com/boston/permit/E1823160/) | | May 6, 2026 | [8 Prospect St](https://nearbypermits.com/boston/address/8-prospect-st/) | 480 ft NE | Roofing | Deck replacement - composite trex select // partial roof replacment - epdm rubber roof replacement | $35,395 | [SF1845473](https://nearbypermits.com/boston/permit/SF1845473/) | | May 6, 2026 | [7 Robbart Ln](https://nearbypermits.com/boston/address/7-robbart-ln/) | 790 ft SW | Alteration or repair | Residential weatherization/air sealing. No structural changes. (CAP-40129). | $6,000 | [SF1838146](https://nearbypermits.com/boston/permit/SF1838146/) | | May 4, 2026 | [10 Warren Pk](https://nearbypermits.com/boston/address/10-warren-pk/) | 370 ft N | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID - 852834) | $5,000 | [SF1841097](https://nearbypermits.com/boston/permit/SF1841097/) | ### Farther (1,000 ft to ¼ mi), 12 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 9, 2026 | [7 Kinsale Ln](https://nearbypermits.com/boston/address/7-kinsale-ln/) | 0.20 mi NE | New building | Eight lot single family subdivision. Lot #4. Construct a wood framed 4 Bed, 2 full bathrooms and 2 half bathrooms, 2 car attached garage as per plans.eplanProviso: Public Works Dept. to sign off their review before issuance of final COO.; | $481,950 | [ERT1230769](https://nearbypermits.com/boston/permit/ERT1230769/) | | Aug 31, 2026 | [42 Summit St](https://nearbypermits.com/boston/address/42-summit-st/) | 0.21 mi N | Alteration or repair | To insulate attic and exterior walls with blown in cellulose insulation. | $16,469 | [SF1882520](https://nearbypermits.com/boston/permit/SF1882520/) | | Aug 12, 2026 | [42 Summit St](https://nearbypermits.com/boston/address/42-summit-st/) | 0.21 mi N | Electrical | removal of knob and tube, 1st floor lighting in living, dining, 2 bedrooms and bathroom, bedroom plugs, bath plug 2nd floor lighting in living room, dining room 2 bedrooms and bathroom, bedroom plugs, bath plug. | $20,000 | [E1886516](https://nearbypermits.com/boston/permit/E1886516/) | | Aug 5, 2026 | [49 Summit St](https://nearbypermits.com/boston/address/49-summit-st/) | 0.23 mi N | Alteration or repair | Insulation + Air Sealing | $9,500 | [SF1869731](https://nearbypermits.com/boston/permit/SF1869731/) | | Jul 8, 2026 | [18 Red Pine Rd](https://nearbypermits.com/boston/address/18-red-pine-rd/) | 0.24 mi N | Alteration or repair | Roof and siding | $70,415 | [SF1858763](https://nearbypermits.com/boston/permit/SF1858763/) | | Jul 6, 2026 | [100 Williams Av](https://nearbypermits.com/boston/address/100-williams-av/) | 0.21 mi W | Electrical | Bathroom Remodeling | $1,500 | [E1863704](https://nearbypermits.com/boston/permit/E1863704/) | | Jul 1, 2026 | [100 Williams Av](https://nearbypermits.com/boston/address/100-williams-av/) | 0.21 mi W | Plumbing | Bathroom remodel: Toilet, lav, and shower on 2nd floor. | $1,500 | [PL1867412](https://nearbypermits.com/boston/permit/PL1867412/) | | Jun 18, 2026 | [100 Williams Av](https://nearbypermits.com/boston/address/100-williams-av/) | 0.21 mi W | Alteration or repair | Bathroom remodel including plumbing, electrical, tiles, new bathroom fixtures, painting and insulation as needed per code. | $47,700 | [SF1859089](https://nearbypermits.com/boston/permit/SF1859089/) | | Jun 1, 2026 | [46 Summit St](https://nearbypermits.com/boston/address/46-summit-st/) | 0.20 mi N | Roofing | Replace the asphalt roof on home. | $12,750 | [SF1855621](https://nearbypermits.com/boston/permit/SF1855621/) | | May 21, 2026 | [102 Williams Av](https://nearbypermits.com/boston/address/102-williams-av/) | 0.21 mi W | Alteration or repair | remove and replace deck boards and rails only - no digging, no framing | $20,633 | [SF1847436](https://nearbypermits.com/boston/permit/SF1847436/) | | May 18, 2026 | [8 Kinsale Ln](https://nearbypermits.com/boston/address/8-kinsale-ln/) | 0.21 mi NE | New building | Eight lot single family subdivision. Lot #5. Construct a wood framed 3 Bed, 2 full bathrooms, 2 half bathrooms, 2 car unattached garage as per plans.;Garage building excluded from this application on ERT1230791;eplan;Proviso: Public Works review to be answered before issuance of COO.; | $481,950 | [ERT1230791](https://nearbypermits.com/boston/permit/ERT1230791/) | | May 12, 2026 | [243 Fairmount Av](https://nearbypermits.com/boston/address/243-fairmount-av/) | 0.21 mi NW | Plumbing | Gas piping for Generator install | $850 | [G1844355](https://nearbypermits.com/boston/permit/G1844355/) | ## More on this street Other addresses on Prospect St with permits, nearest house number first: - [34 Prospect St](https://nearbypermits.com/boston/address/34-prospect-st/): newest permit Sep 10, 2026 - [48 Prospect St](https://nearbypermits.com/boston/address/48-prospect-st/): newest permit May 19, 2026 - [31 Prospect St](https://nearbypermits.com/boston/address/31-prospect-st/): newest permit Aug 21, 2025 - [49 Prospect St](https://nearbypermits.com/boston/address/49-prospect-st/): newest permit Aug 26, 2025 - [17 Prospect St](https://nearbypermits.com/boston/address/17-prospect-st/): newest permit Oct 13, 2025 - [16 Prospect St](https://nearbypermits.com/boston/address/16-prospect-st/): newest permit Aug 5, 2026 - [14 Prospect St](https://nearbypermits.com/boston/address/14-prospect-st/): newest permit Feb 26, 2026 - [12 Prospect St](https://nearbypermits.com/boston/address/12-prospect-st/): newest permit Oct 7, 2025 - [8 Prospect St](https://nearbypermits.com/boston/address/8-prospect-st/): newest permit Sep 28, 2026 - [78 Prospect St](https://nearbypermits.com/boston/address/78-prospect-st/): newest permit May 20, 2025 --- Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 10:47 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 4 permits at this address and 34 nearby: https://nearbypermits.com/boston/address/40-prospect-st/