# Building permits at 48 Williams Av, Boston, MA

Nine permits on record here. The newest, Sep 4: New Gas Lines for 2 furnaces, 2 stoves, 2 waterheaters. Within a quarter mile, the city has issued 50 more permits (45 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 4, 2026 | Plumbing | New Gas Lines for 2 furnaces, 2 stoves, 2 waterheaters | $10,000 | [G1897568](https://nearbypermits.com/boston/permit/G1897568/) |
| Sep 2, 2026 | Plumbing | Whole house plumbing renovation | $19,800 | [PL1895575](https://nearbypermits.com/boston/permit/PL1895575/) |
| Sep 1, 2026 | Electrical | Comeplete rewire Add public meter Upgrade service from 100AMPS TO 200AMPS | $25,000 | [E1894515](https://nearbypermits.com/boston/permit/E1894515/) |
| Aug 14, 2026 | Alteration or repair | Confirming occupancy of existing 2 family home | Not listed | [ALT1863371](https://nearbypermits.com/boston/permit/ALT1863371/) |
| Jun 22, 2026 | 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/) |
| Apr 3, 2018 | Plumbing | replaced gas hot water heater | $250 | [PL814439](https://nearbypermits.com/boston/permit/PL814439/) |
| Mar 29, 2018 | Plumbing | replaced gas hot water heater | $250 | [G804179](https://nearbypermits.com/boston/permit/G804179/) |
| Jul 12, 2017 | Plumbing | replace gas hot water heater | $250 | [PL703668](https://nearbypermits.com/boston/permit/PL703668/) |
| Jun 22, 2017 | Plumbing | replace gas hot water heater | $250 | [G703667](https://nearbypermits.com/boston/permit/G703667/) |

## Within ¼ mi since May 1, 2026

50 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 20, 2026 | [7 Highland St](https://nearbypermits.com/boston/address/7-highland-st/) | 70 ft NE | 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/) | 210 ft N | Plumbing | New Kichten, bathrom and laundry | $8,000 | [PL1887914](https://nearbypermits.com/boston/permit/PL1887914/) |
| Aug 5, 2026 | [7 Highland St](https://nearbypermits.com/boston/address/7-highland-st/) | 70 ft NE | Roofing | remove and install 18sq asphalt roofing | $13,990 | [SF1864947](https://nearbypermits.com/boston/permit/SF1864947/) |

### This block (250 to 1,000 ft), 28 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [731 Truman Pw](https://nearbypermits.com/boston/address/731-truman-pw/) | 880 ft NW | Alteration or repair | Creation of an Accessory Dwelling Unit (ADU) within the existing basement of a two-family residential dwelling. | $110,000 | [ALT1828804](https://nearbypermits.com/boston/permit/ALT1828804/) |
| Sep 25, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 950 ft S | Plumbing | Install it on electric water, heat a forty gallon in the basement | $1,200 | [PL1903840](https://nearbypermits.com/boston/permit/PL1903840/) |
| Sep 3, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 950 ft S | 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/) |
| Aug 28, 2026 | [17 Neponset Av](https://nearbypermits.com/boston/address/17-neponset-av/) | 690 ft W | 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/) | 690 ft W | 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 25, 2026 | [66 Warren Av](https://nearbypermits.com/boston/address/66-warren-av/) | 900 ft 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 24, 2026 | [14 Highland St](https://nearbypermits.com/boston/address/14-highland-st/) | 340 ft NE | Electrical | Install dedicated receptacles for counter top and a/c units | $2,500 | [E1891324](https://nearbypermits.com/boston/permit/E1891324/) |
| Aug 10, 2026 | [13 Williams Av](https://nearbypermits.com/boston/address/13-williams-av/) | 520 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/) | 520 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/) | 440 ft SW | Electrical | Address also known as 50 Neponset ave. 200 amp overhead sevice upgrade | $5,300 | [E1884013](https://nearbypermits.com/boston/permit/E1884013/) |
| Jul 29, 2026 | [35 Pond St](https://nearbypermits.com/boston/address/35-pond-st/) | 440 ft SE | Roofing | Flat Roof Replacement - 18 square | $27,430 | [SF1796763](https://nearbypermits.com/boston/permit/SF1796763/) |
| Jul 27, 2026 | [17 Neponset Av](https://nearbypermits.com/boston/address/17-neponset-av/) | 690 ft W | 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/) | 490 ft NE | 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/) | 690 ft W | 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/) | 920 ft SE | 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/) | 920 ft SE | 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/) | 920 ft SE | 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 17, 2026 | [4 Neponset Av](https://nearbypermits.com/boston/address/4-neponset-av/) | 810 ft 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 12, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 950 ft S | 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 | [672-674 Truman Pw](https://nearbypermits.com/boston/address/672--674-truman-pw/) | 860 ft N | Plumbing | Installing a prep sink at Cappy's pizza | $1,000 | [PL1858513](https://nearbypermits.com/boston/permit/PL1858513/) |
| May 22, 2026 | [4 Neponset Av](https://nearbypermits.com/boston/address/4-neponset-av/) | 810 ft 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 | [225 Fairmount Av](https://nearbypermits.com/boston/address/225-fairmount-av/) | 550 ft E | 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/) | 550 ft E | Plumbing | Replacement of gas water heater | $2,293 | [G1851920](https://nearbypermits.com/boston/permit/G1851920/) |
| May 22, 2026 | [200 Fairmount Av](https://nearbypermits.com/boston/address/200-fairmount-av/) | 730 ft NE | Electrical | Emergency Service Wire Reattachment | $1,500 | [E1852791](https://nearbypermits.com/boston/permit/E1852791/) |
| May 21, 2026 | [102 Williams Av](https://nearbypermits.com/boston/address/102-williams-av/) | 970 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/) | 810 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/) | 490 ft NE | 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/) | 290 ft S | 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), 19 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 17, 2026 | [119 Warren Av](https://nearbypermits.com/boston/address/119-warren-av/) | 0.24 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 3, 2026 | [176-178 Dana Av](https://nearbypermits.com/boston/address/176--178-dana-av/) | 0.21 mi S | Plumbing | Adding new gas meter to supply furnace and water heater. | $2,000 | [G1895520](https://nearbypermits.com/boston/permit/G1895520/) |
| Aug 13, 2026 | [44 Warren Av](https://nearbypermits.com/boston/address/44-warren-av/) | 0.19 mi NE | Alteration or repair | Remove and replace one (1) broken storm door; Remove and replace approx. ten (10) siding shingles and Cleaning of front yard. Trash to be removed by Contractor in pick up truck to an authorized facility. | $2,400 | [SF1877700](https://nearbypermits.com/boston/permit/SF1877700/) |
| Aug 3, 2026 | [179 Dana Av](https://nearbypermits.com/boston/address/179-dana-av/) | 0.23 mi S | Electrical | Wire 1 electric water heater | $500 | [E1881347](https://nearbypermits.com/boston/permit/E1881347/) |
| Jul 31, 2026 | [65 Highland St](https://nearbypermits.com/boston/address/65-highland-st/) | 0.23 mi NE | Plumbing | Replacement of gas water heater | $2,293 | [PL1877971](https://nearbypermits.com/boston/permit/PL1877971/) |
| Jul 31, 2026 | [65 Highland St](https://nearbypermits.com/boston/address/65-highland-st/) | 0.23 mi NE | Plumbing | Replacement of gas water heater | $2,293 | [G1877967](https://nearbypermits.com/boston/permit/G1877967/) |
| Jul 28, 2026 | [179 Dana Av](https://nearbypermits.com/boston/address/179-dana-av/) | 0.23 mi S | Plumbing | Replace electric water heater | $2,500 | [PL1879014](https://nearbypermits.com/boston/permit/PL1879014/) |
| Jul 20, 2026 | [123 Dana Av](https://nearbypermits.com/boston/address/123-dana-av/) | 0.20 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 E | 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 E | 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 10, 2026 | [28b Garfield Av](https://nearbypermits.com/boston/address/28b-garfield-av/) | 0.24 mi SW | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-869246)(Unit-2) | $5,000 | [SF1861131](https://nearbypermits.com/boston/permit/SF1861131/) |
| Jul 8, 2026 | [775 Truman Pw](https://nearbypermits.com/boston/address/775-truman-pw/) | 0.21 mi W | Roofing | Roof replacement - Remove existing layers, inspect decking & replace if needed. Install proper underlayment, install new shingles. | $11,225 | [SF1865083](https://nearbypermits.com/boston/permit/SF1865083/) |
| Jun 26, 2026 | [119 Warren Av](https://nearbypermits.com/boston/address/119-warren-av/) | 0.24 mi E | Roofing | strip existing epdm roof. Install new epdm rubber roof. | $33,950 | [SF1797708](https://nearbypermits.com/boston/permit/SF1797708/) |
| Jun 10, 2026 | [19 Loring Pl](https://nearbypermits.com/boston/address/19-loring-pl/) | 0.23 mi SW | 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/) | 0.23 mi SW | 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/) | 0.23 mi SW | Solar | Installation of 12 roof mounted solar panels, no ESS. | $5,000 | [E1854954](https://nearbypermits.com/boston/permit/E1854954/) |
| Jun 2, 2026 | [14 Washington St](https://nearbypermits.com/boston/address/14-washington-st/) | 0.21 mi 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 | [125 Dana Av](https://nearbypermits.com/boston/address/125-dana-av/) | 0.19 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/) | 0.19 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/) |

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 19:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 9 permits at this address and 50 nearby: https://nearbypermits.com/boston/address/48-williams-av/