# Building permits at 75 Williams Av, Boston, MA

Three permits on record here. The newest, Oct 23, 2025: Insulating and air sealing attic. Within a quarter mile, the city has issued 63 more permits (57 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 23, 2025 | Alteration or repair | insulating and air sealing attic, adding cellulose to bring R value to R49. insulating basement rim joists with 2" polyiso board with foil face. insulating attic open wall with fiberglass and 2" polyiso board with foil face. | $5,268 | [SF1786070](https://nearbypermits.com/boston/permit/SF1786070/) |
| Aug 13, 2010 | Plumbing | Replace defective gas water heater. Like for Like appliance. Interior chimney has clay liner existing. | $500 | [PL38167](https://nearbypermits.com/boston/permit/PL38167/) |
| Aug 13, 2010 | Plumbing | Replace defective gas water heater. Like for like appliance. Existing interior chimney has a clay liner in place. | $500 | [G38168](https://nearbypermits.com/boston/permit/G38168/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 1 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 29, 2026 | [35 Pond St](https://nearbypermits.com/boston/address/35-pond-st/) | 140 ft NE | Roofing | Flat Roof Replacement - 18 square | $27,430 | [SF1796763](https://nearbypermits.com/boston/permit/SF1796763/) |

### This block (250 to 1,000 ft), 37 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [45 Washington St](https://nearbypermits.com/boston/address/45-washington-st/) | 920 ft SW | Plumbing | Installing one, w/c, lav., lau. & one shower on floor one. | $5,000 | [PL1906418](https://nearbypermits.com/boston/permit/PL1906418/) |
| Sep 25, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 600 ft SW | Plumbing | Install it on electric water, heat a forty gallon in the basement | $1,200 | [PL1903840](https://nearbypermits.com/boston/permit/PL1903840/) |
| Sep 4, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 510 ft N | Plumbing | New Gas Lines for 2 furnaces, 2 stoves, 2 waterheaters | $10,000 | [G1897568](https://nearbypermits.com/boston/permit/G1897568/) |
| Sep 3, 2026 | [176-178 Dana Av](https://nearbypermits.com/boston/address/176--178-dana-av/) | 670 ft SW | Plumbing | Adding new gas meter to supply furnace and water heater. | $2,000 | [G1895520](https://nearbypermits.com/boston/permit/G1895520/) |
| Sep 3, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 600 ft SW | Alteration or repair | Change occupancy from one-family to a two-family. No work to be done. | $80,000 | [ALT1690566](https://nearbypermits.com/boston/permit/ALT1690566/) |
| Sep 2, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 510 ft N | Plumbing | Whole house plumbing renovation | $19,800 | [PL1895575](https://nearbypermits.com/boston/permit/PL1895575/) |
| Sep 1, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 510 ft N | Electrical | Comeplete rewire Add public meter Upgrade service from 100AMPS TO 200AMPS | $25,000 | [E1894515](https://nearbypermits.com/boston/permit/E1894515/) |
| Aug 28, 2026 | [17 Neponset Av](https://nearbypermits.com/boston/address/17-neponset-av/) | 970 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 8.61 kw 21 panels with installation of 2 franklin batteries installed on exterior of home | $103,200 | [SF1886935](https://nearbypermits.com/boston/permit/SF1886935/) |
| Aug 28, 2026 | [17 Neponset Av](https://nearbypermits.com/boston/address/17-neponset-av/) | 970 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 8.61 kw 21 panels with installation of 2 franklin batteries installed on exterior of home | $103,200 | [E1886942](https://nearbypermits.com/boston/permit/E1886942/) |
| Aug 24, 2026 | [14 Highland St](https://nearbypermits.com/boston/address/14-highland-st/) | 790 ft N | Electrical | Install dedicated receptacles for counter top and a/c units | $2,500 | [E1891324](https://nearbypermits.com/boston/permit/E1891324/) |
| Aug 20, 2026 | [7 Highland St](https://nearbypermits.com/boston/address/7-highland-st/) | 540 ft N | Alteration or repair | Confirm occupancy of existing 2 family.; | Not listed | [ALT1878953](https://nearbypermits.com/boston/permit/ALT1878953/) |
| Aug 14, 2026 | [36r Williams Av](https://nearbypermits.com/boston/address/36r-williams-av/) | 710 ft N | Plumbing | New Kichten, bathrom and laundry | $8,000 | [PL1887914](https://nearbypermits.com/boston/permit/PL1887914/) |
| Aug 14, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 510 ft N | Alteration or repair | Confirming occupancy of existing 2 family home | Not listed | [ALT1863371](https://nearbypermits.com/boston/permit/ALT1863371/) |
| Aug 10, 2026 | [13 Williams Av](https://nearbypermits.com/boston/address/13-williams-av/) | 990 ft NW | Electrical | Install #10 AWG circuit with 35A 2-pole GFCI breaker to 60-amp AC disconnect with surge arrester sizing per manufacturer name plate. • Install a 20-amp circuit with 20A AFCI/GFCI breaker for a service receptacle with in-use weatherproof cover. | $3,000 | [E1882603](https://nearbypermits.com/boston/permit/E1882603/) |
| Aug 10, 2026 | [13 Williams Av](https://nearbypermits.com/boston/address/13-williams-av/) | 990 ft NW | Electrical | Install #10 AWG circuit and a #12 AWG with 35A 2-pole GFCI breaker to 60-amp AC disconnect with surge arrester each sizing per manufacturer name plate. • Install 2 20-amp circuit with 20A AFCI/GFCI breaker for a service receptacle with in-useweatherproof cover. | $3,000 | [E1882601](https://nearbypermits.com/boston/permit/E1882601/) |
| Aug 7, 2026 | [46 Neponset Av](https://nearbypermits.com/boston/address/46-neponset-av/) | 360 ft W | Electrical | Address also known as 50 Neponset ave. 200 amp overhead sevice upgrade | $5,300 | [E1884013](https://nearbypermits.com/boston/permit/E1884013/) |
| Aug 5, 2026 | [7 Highland St](https://nearbypermits.com/boston/address/7-highland-st/) | 540 ft N | Roofing | remove and install 18sq asphalt roofing | $13,990 | [SF1864947](https://nearbypermits.com/boston/permit/SF1864947/) |
| Aug 3, 2026 | [179 Dana Av](https://nearbypermits.com/boston/address/179-dana-av/) | 790 ft SW | Electrical | Wire 1 electric water heater | $500 | [E1881347](https://nearbypermits.com/boston/permit/E1881347/) |
| Jul 28, 2026 | [179 Dana Av](https://nearbypermits.com/boston/address/179-dana-av/) | 790 ft SW | Plumbing | Replace electric water heater | $2,500 | [PL1879014](https://nearbypermits.com/boston/permit/PL1879014/) |
| Jul 27, 2026 | [17 Neponset Av](https://nearbypermits.com/boston/address/17-neponset-av/) | 970 ft NW | Electrical | Install SPAN panel and replace meter and service conductors | $9,600 | [E1877930](https://nearbypermits.com/boston/permit/E1877930/) |
| Jul 24, 2026 | [211 Fairmount Av](https://nearbypermits.com/boston/address/211-fairmount-av/) | 860 ft N | Electrical | wiring 2new circuit to the attic lights and receptacles | $1,500 | [E1875219](https://nearbypermits.com/boston/permit/E1875219/) |
| Jul 21, 2026 | [17 Neponset Av](https://nearbypermits.com/boston/address/17-neponset-av/) | 970 ft NW | Alteration or repair | Confirm occupancy of existing single-family dwelling. | Not listed | [ALT1861742](https://nearbypermits.com/boston/permit/ALT1861742/) |
| Jul 6, 2026 | [100 Williams Av](https://nearbypermits.com/boston/address/100-williams-av/) | 530 ft E | 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/) | 530 ft E | Plumbing | Bathroom remodel: Toilet, lav, and shower on 2nd floor. | $1,500 | [PL1867412](https://nearbypermits.com/boston/permit/PL1867412/) |
| Jun 22, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 510 ft N | Alteration or repair | Replace windows 20 shingle part of mansortroof,drywall and plaster, remodel4 bathrooms, rewire to code,new electrical service, revise plumbing to code and ne hvav systems | $200,000 | [SF1863142](https://nearbypermits.com/boston/permit/SF1863142/) |
| Jun 18, 2026 | [100 Williams Av](https://nearbypermits.com/boston/address/100-williams-av/) | 530 ft E | 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 16, 2026 | [195 Dana Av](https://nearbypermits.com/boston/address/195-dana-av/) | 930 ft S | Solar | Installation of roof mounted photovoltaic solar systems, 8.2 KW 20 panels NO BATTERY STORAGE | $45,000 | [SF1856810](https://nearbypermits.com/boston/permit/SF1856810/) |
| Jun 16, 2026 | [195 Dana Av](https://nearbypermits.com/boston/address/195-dana-av/) | 930 ft S | Solar | Installation of roof mounted photovoltaic solar systems, 8.2 KW 20 panels NO BATTERY STORAGE | $45,000 | [E1856812](https://nearbypermits.com/boston/permit/E1856812/) |
| Jun 12, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 600 ft SW | Electrical | Electrical service 3 gang 200A addition of public panel and 1st floor panel relocation | $5,000 | [E1859145](https://nearbypermits.com/boston/permit/E1859145/) |
| Jun 8, 2026 | [221 Dana Av](https://nearbypermits.com/boston/address/221-dana-av/) | 940 ft S | Alteration or repair | Installation of (5) Double-Hung, Like-for-Like, Window Inserts. No structural changes per building code. | $15,763 | [SF1843545](https://nearbypermits.com/boston/permit/SF1843545/) |
| Jun 2, 2026 | [14 Washington St](https://nearbypermits.com/boston/address/14-washington-st/) | 600 ft S | Roofing | Strip Existing Asphalt Roof And Dispose Of. Install High Temp Ice And Water barrier to Complete Roof. Install 24 gauge 16'' wide standing seam to all roof facets. | $27,000 | [SF1836010](https://nearbypermits.com/boston/permit/SF1836010/) |
| May 22, 2026 | [225 Fairmount Av](https://nearbypermits.com/boston/address/225-fairmount-av/) | 730 ft NE | Plumbing | Replacement of gas water heater | $2,293 | [PL1851921](https://nearbypermits.com/boston/permit/PL1851921/) |
| May 22, 2026 | [225 Fairmount Av](https://nearbypermits.com/boston/address/225-fairmount-av/) | 730 ft NE | Plumbing | Replacement of gas water heater | $2,293 | [G1851920](https://nearbypermits.com/boston/permit/G1851920/) |
| May 21, 2026 | [102 Williams Av](https://nearbypermits.com/boston/address/102-williams-av/) | 540 ft SE | 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 12, 2026 | [243 Fairmount Av](https://nearbypermits.com/boston/address/243-fairmount-av/) | 720 ft E | Plumbing | Gas piping for Generator install | $850 | [G1844355](https://nearbypermits.com/boston/permit/G1844355/) |
| May 12, 2026 | [211 Fairmount Av](https://nearbypermits.com/boston/address/211-fairmount-av/) | 860 ft N | Alteration or repair | Finish attic space and add attic drop down stairs. Finished attic space to be used as a finished storage area. | $10,000 | [ALT1799979](https://nearbypermits.com/boston/permit/ALT1799979/) |
| May 4, 2026 | [55 Williams Av](https://nearbypermits.com/boston/address/55-williams-av/) | 310 ft NW | Alteration or repair | No inspections until occupancy is confirmed; ALT1844278 pending.Install 3/8" foam insulation board to exterior of home. Install double 4" vinyl siding to home. Cover trim fascia and soffit. | $14,000 | [SF1844054](https://nearbypermits.com/boston/permit/SF1844054/) |

### Farther (1,000 ft to ¼ mi), 25 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [32 Garfield Av](https://nearbypermits.com/boston/address/32-garfield-av/) | 0.24 mi W | Electrical | Span panel and service conductor refeed 200A | $5,000 | [E1905056](https://nearbypermits.com/boston/permit/E1905056/) |
| Sep 25, 2026 | [32 Garfield Av](https://nearbypermits.com/boston/address/32-garfield-av/) | 0.24 mi W | Solar | Installation of roof mounted photovoltaic solar systems, 9.43 kw 23 panels with installation of 1 tesla powerwall3 battery installed on exterior of home | $86,700 | [E1901813](https://nearbypermits.com/boston/permit/E1901813/) |
| Sep 17, 2026 | [119 Warren Av](https://nearbypermits.com/boston/address/119-warren-av/) | 0.21 mi E | 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 2, 2026 | [39 Garfield Av](https://nearbypermits.com/boston/address/39-garfield-av/) | 0.25 mi W | Solar | Roof top installation of 29 solar panels and 29 Micro inverters with ESS storage on the exterior outside wall | $11,608 | [E1896597](https://nearbypermits.com/boston/permit/E1896597/) |
| Aug 28, 2026 | [210 Dana Av](https://nearbypermits.com/boston/address/210-dana-av/) | 0.19 mi S | Alteration or repair | Window Replacement as per request of the customer. We are replacing 20 windows | $37,000 | [SF1884488](https://nearbypermits.com/boston/permit/SF1884488/) |
| Aug 25, 2026 | [66 Warren Av](https://nearbypermits.com/boston/address/66-warren-av/) | 0.23 mi NE | Alteration or repair | Work being performed through mass save. Air seal and insulate attic floor up to R-49 using open blown cellulsoe. Install Fiberglass and 2" Poly board on open wall in attic space | $4,000 | [SF1877499](https://nearbypermits.com/boston/permit/SF1877499/) |
| Aug 18, 2026 | [12 Newacre Rd](https://nearbypermits.com/boston/address/12-newacre-rd/) | 0.20 mi S | Solar | Installation of roof mounted photovoltaic solar systems, 4.51 kw 11 panels with installation of 1 Franklin battery installed on exterior of home | $47,700 | [SF1879842](https://nearbypermits.com/boston/permit/SF1879842/) |
| Jul 31, 2026 | [12 Newacre Rd](https://nearbypermits.com/boston/address/12-newacre-rd/) | 0.20 mi S | Solar | Installation of roof mounted photovoltaic solar systems, 4.51 kw 11 panels with installation of 1 Franklin battery installed on exterior of home | $47,700 | [E1879845](https://nearbypermits.com/boston/permit/E1879845/) |
| Aug 12, 2026 | [56-58 Washington St](https://nearbypermits.com/boston/address/56--58-washington-st/) | 0.20 mi SW | Electrical | install 2 recessed light at the porch and 1 switch | $500 | [E1872885](https://nearbypermits.com/boston/permit/E1872885/) |
| Jul 20, 2026 | [123 Dana Av](https://nearbypermits.com/boston/address/123-dana-av/) | 0.21 mi W | Alteration or repair | Insulation + Air Sealing | $16,200 | [SF1874056](https://nearbypermits.com/boston/permit/SF1874056/) |
| Jul 20, 2026 | [73 Summit St](https://nearbypermits.com/boston/address/73-summit-st/) | 0.23 mi NE | 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/) | 0.23 mi NE | 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/) | 0.22 mi E | 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/) |
| Jul 10, 2026 | [28b Garfield Av](https://nearbypermits.com/boston/address/28b-garfield-av/) | 0.23 mi W | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-869246)(Unit-2) | $5,000 | [SF1861131](https://nearbypermits.com/boston/permit/SF1861131/) |
| Jun 26, 2026 | [119 Warren Av](https://nearbypermits.com/boston/address/119-warren-av/) | 0.21 mi E | Roofing | strip existing epdm roof. Install new epdm rubber roof. | $33,950 | [SF1797708](https://nearbypermits.com/boston/permit/SF1797708/) |
| Jun 17, 2026 | [4 Neponset Av](https://nearbypermits.com/boston/address/4-neponset-av/) | 0.23 mi NW | Alteration or repair | I Peggy Hinds Watson declare my home occupancy at 4 Neponset Av is an existing two family. | Not listed | [ALT1842285](https://nearbypermits.com/boston/permit/ALT1842285/) |
| Jun 10, 2026 | [19 Loring Pl](https://nearbypermits.com/boston/address/19-loring-pl/) | 0.21 mi W | Roofing | Replace old existing shingles, 14 sq. Install high performance synthetic underlayment. Apply GAF ice and water shields. Install GAF Timberline architectural shingles. All materials, labor, and debris clean up are included. | $5,600 | [SF1859501](https://nearbypermits.com/boston/permit/SF1859501/) |
| Jun 8, 2026 | [19 Loring Pl](https://nearbypermits.com/boston/address/19-loring-pl/) | 0.21 mi W | Solar | Installation of 12 roof mounted solar panels, no ESS. | $22,000 | [SF1854947](https://nearbypermits.com/boston/permit/SF1854947/) |
| May 27, 2026 | [19 Loring Pl](https://nearbypermits.com/boston/address/19-loring-pl/) | 0.21 mi W | Solar | Installation of 12 roof mounted solar panels, no ESS. | $5,000 | [E1854954](https://nearbypermits.com/boston/permit/E1854954/) |
| May 22, 2026 | [4 Neponset Av](https://nearbypermits.com/boston/address/4-neponset-av/) | 0.23 mi NW | Alteration or repair | No inspections unit the occupancy is confirmed; ALT1842285 pending.Remove existing rotted 4x30 front porch and 3 steps only. Install new footings and pressure treated framing. Install new composite decking boards and steps. Install new vinyl guardrails and handrails. | $24,000 | [SF1851727](https://nearbypermits.com/boston/permit/SF1851727/) |
| May 22, 2026 | [200 Fairmount Av](https://nearbypermits.com/boston/address/200-fairmount-av/) | 0.21 mi N | Electrical | Emergency Service Wire Reattachment | $1,500 | [E1852791](https://nearbypermits.com/boston/permit/E1852791/) |
| May 22, 2026 | [125 Dana Av](https://nearbypermits.com/boston/address/125-dana-av/) | 0.20 mi W | Electrical | Uprage service to 400 amps Add public panel Add circuits for 3 heat pumps | $8,000 | [E1852253](https://nearbypermits.com/boston/permit/E1852253/) |
| May 5, 2026 | [125 Dana Av](https://nearbypermits.com/boston/address/125-dana-av/) | 0.20 mi W | Alteration or repair | Energy retrofit scope: Replacement of two windows. Door weatherstripping. Installation of new HVAC system, electric water heater, and electrical service upgrade. Replacement of kitchen and bath ventilation fans. All work is part of the City of Boston Healthy and Green Retrofit Pilot Program. | $123,800 | [SF1840339](https://nearbypermits.com/boston/permit/SF1840339/) |
| May 4, 2026 | [56-58 Washington St](https://nearbypermits.com/boston/address/56--58-washington-st/) | 0.20 mi SW | Roofing | Construct roof over existing deck, including new framing, support posts, roof sheathing, and asphalt shingles. Install ceiling insulation and finish interior ceiling. Converting it into a season room. Relocate existing shed on the property and reinstall. | $20,000 | [SF1838108](https://nearbypermits.com/boston/permit/SF1838108/) |
| May 1, 2026 | [225 Dana Av](https://nearbypermits.com/boston/address/225-dana-av/) | 0.22 mi S | Roofing | Strip existing roofing material Identify, Notify and repair any identified damage Install Ice and water shield and synthetic membrane Install new roofing shingles Demo and install new pvc for rakes and soffits | $13,106 | [SF1844358](https://nearbypermits.com/boston/permit/SF1844358/) |

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 16:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 3 permits at this address and 63 nearby: https://nearbypermits.com/boston/address/75-williams-av/