# Building permits at 13 Williams Av, Boston, MA

Seven permits on record here. The newest, Aug 10: Install #10 AWG circuit with 35A 2-pole GFCI breaker to 60-amp AC disconnect with surge arrester sizing per. Within a quarter mile, the city has issued 46 more permits (43 projects) since May 1. One is for a new building, 860 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 10, 2026 | 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 | 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/) |
| Feb 5, 2026 | Solar | Installation of roof mounted photovoltaic solar systems, 9.02 kw 22 panels NO BATTERY STORAGE | $51,900 | [SF1817419](https://nearbypermits.com/boston/permit/SF1817419/) |
| Feb 5, 2026 | Solar | Installation of roof mounted photovoltaic solar systems, 9.02 kw 22 panels NO BATTERY STORAGE | $51,900 | [E1817422](https://nearbypermits.com/boston/permit/E1817422/) |
| Jun 13, 2025 | Solar | Installation of an interconnected rooftop PV system 28 panels 11.48 KW DC No ESS No Structural Upgrade | $46,134 | [SF1721976](https://nearbypermits.com/boston/permit/SF1721976/) |
| Jun 13, 2025 | Solar | Installation of an interconnected rooftop PV system 28 panels 11.48 KW DC No ESS No Structural Upgrade | $46,134 | [E1721978](https://nearbypermits.com/boston/permit/E1721978/) |
| Jun 12, 2018 | Electrical | Install roof mounted solar system 5.31kW 18 panels | $9,346 | [E841877](https://nearbypermits.com/boston/permit/E841877/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 32 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [731 Truman Pw](https://nearbypermits.com/boston/address/731-truman-pw/) | 380 ft N | 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 4, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 520 ft SE | Plumbing | New Gas Lines for 2 furnaces, 2 stoves, 2 waterheaters | $10,000 | [G1897568](https://nearbypermits.com/boston/permit/G1897568/) |
| Sep 2, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 520 ft SE | 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/) | 520 ft SE | 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/) | 450 ft SW | 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/) | 450 ft SW | 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/) | 580 ft E | 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/) | 550 ft SE | 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/) | 440 ft E | 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/) | 520 ft SE | Alteration or repair | Confirming occupancy of existing 2 family home | Not listed | [ALT1863371](https://nearbypermits.com/boston/permit/ALT1863371/) |
| Aug 7, 2026 | [46 Neponset Av](https://nearbypermits.com/boston/address/46-neponset-av/) | 740 ft S | 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/) | 550 ft SE | Roofing | remove and install 18sq asphalt roofing | $13,990 | [SF1864947](https://nearbypermits.com/boston/permit/SF1864947/) |
| Jul 29, 2026 | [35 Pond St](https://nearbypermits.com/boston/address/35-pond-st/) | 940 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/) | 450 ft SW | 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/) | 760 ft E | 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/) | 450 ft SW | Alteration or repair | Confirm occupancy of existing single-family dwelling. | Not listed | [ALT1861742](https://nearbypermits.com/boston/permit/ALT1861742/) |
| Jul 20, 2026 | [123 Dana Av](https://nearbypermits.com/boston/address/123-dana-av/) | 900 ft SW | Alteration or repair | Insulation + Air Sealing | $16,200 | [SF1874056](https://nearbypermits.com/boston/permit/SF1874056/) |
| Jul 8, 2026 | [775 Truman Pw](https://nearbypermits.com/boston/address/775-truman-pw/) | 690 ft 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 22, 2026 | [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/) | 520 ft SE | 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 17, 2026 | [4 Neponset Av](https://nearbypermits.com/boston/address/4-neponset-av/) | 360 ft W | 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 8, 2026 | [672-674 Truman Pw](https://nearbypermits.com/boston/address/672--674-truman-pw/) | 620 ft NE | Plumbing | Installing a prep sink at Cappy's pizza | $1,000 | [PL1858513](https://nearbypermits.com/boston/permit/PL1858513/) |
| May 28, 2026 | [87 Maple St](https://nearbypermits.com/boston/address/87-maple-st/) | 920 ft NW | Alteration or repair | 1.- Replace with anew 2.- replace new slnding 3.- install pvc wood an door trims 4.- install water guttars square feet roof.30 SQ cement 30 sq all window ond | $70,000 | [SF1849425](https://nearbypermits.com/boston/permit/SF1849425/) |
| May 22, 2026 | [4 Neponset Av](https://nearbypermits.com/boston/address/4-neponset-av/) | 360 ft W | 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/) | 960 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/) | 960 ft E | Plumbing | Replacement of gas water heater | $2,293 | [G1851920](https://nearbypermits.com/boston/permit/G1851920/) |
| May 22, 2026 | [51 Walnut St](https://nearbypermits.com/boston/address/51-walnut-st/) | 860 ft NW | New building | Raze existing 1 story garage on 35 Walnut Street, and erect a new 1 story, 4 door garage spanning across 35 Walnut and the abutting 51 Walnut (Both properties owned by Applicant). | $125,000 | [ERT1676367](https://nearbypermits.com/boston/permit/ERT1676367/) |
| May 22, 2026 | [200 Fairmount Av](https://nearbypermits.com/boston/address/200-fairmount-av/) | 860 ft E | 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/) | 920 ft SW | 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 22, 2026 | [51 Walnut St](https://nearbypermits.com/boston/address/51-walnut-st/) | 860 ft NW | Alteration or repair | Combine parcel 1809178000 (1,600 Sq. Ft.) with parcel 1809177001 (2,782 Sq. Ft.). See ert 1676367. | Not listed | [ALT1707721](https://nearbypermits.com/boston/permit/ALT1707721/) |
| May 12, 2026 | [211 Fairmount Av](https://nearbypermits.com/boston/address/211-fairmount-av/) | 760 ft E | 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 5, 2026 | [125 Dana Av](https://nearbypermits.com/boston/address/125-dana-av/) | 920 ft SW | 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 | [55 Williams Av](https://nearbypermits.com/boston/address/55-williams-av/) | 690 ft SE | 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), 14 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [32 Garfield Av](https://nearbypermits.com/boston/address/32-garfield-av/) | 0.25 mi SW | Electrical | Span panel and service conductor refeed 200A | $5,000 | [E1905056](https://nearbypermits.com/boston/permit/E1905056/) |
| Sep 25, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 0.24 mi S | Plumbing | Install it on electric water, heat a forty gallon in the basement | $1,200 | [PL1903840](https://nearbypermits.com/boston/permit/PL1903840/) |
| Sep 25, 2026 | [32 Garfield Av](https://nearbypermits.com/boston/address/32-garfield-av/) | 0.25 mi SW | 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 3, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 0.24 mi 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 25, 2026 | [66 Warren Av](https://nearbypermits.com/boston/address/66-warren-av/) | 0.21 mi E | 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 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 13, 2026 | [8 Pine St](https://nearbypermits.com/boston/address/8-pine-st/) | 0.24 mi NW | Electrical | Wire exterior heat pump and GFI outlet | $1,200 | [E1887001](https://nearbypermits.com/boston/permit/E1887001/) |
| Jul 10, 2026 | [28b Garfield Av](https://nearbypermits.com/boston/address/28b-garfield-av/) | 0.23 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/) |
| Jun 17, 2026 | [34 Beacon St](https://nearbypermits.com/boston/address/34-beacon-st/) | 0.24 mi NE | Plumbing | Boiler Replacement | $9,000 | [G1859801](https://nearbypermits.com/boston/permit/G1859801/) |
| Jun 12, 2026 | [168 Dana Av](https://nearbypermits.com/boston/address/168-dana-av/) | 0.24 mi 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 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/) |
| May 12, 2026 | [243 Fairmount Av](https://nearbypermits.com/boston/address/243-fairmount-av/) | 0.25 mi SE | Plumbing | Gas piping for Generator install | $850 | [G1844355](https://nearbypermits.com/boston/permit/G1844355/) |

## More on this street

Other addresses on Williams Av with permits, nearest house number first:

- [11 Williams Av](https://nearbypermits.com/boston/address/11-williams-av/): newest permit Mar 24, 2025
- [15 Williams Av](https://nearbypermits.com/boston/address/15-williams-av/): newest permit Dec 2, 2024
- [17 Williams Av](https://nearbypermits.com/boston/address/17-williams-av/): newest permit Mar 18, 2025
- [23 Williams Av](https://nearbypermits.com/boston/address/23-williams-av/): newest permit Jan 28, 2025
- [31 Williams Av](https://nearbypermits.com/boston/address/31-williams-av/): newest permit Jan 22, 2026
- [32 Williams Av](https://nearbypermits.com/boston/address/32-williams-av/): newest permit Nov 3, 2025
- [48 Williams Av](https://nearbypermits.com/boston/address/48-williams-av/): newest permit Sep 4, 2026
- [52 Williams Av](https://nearbypermits.com/boston/address/52-williams-av/): newest permit Jul 14, 2025
- [53 Williams Av](https://nearbypermits.com/boston/address/53-williams-av/): newest permit Feb 20, 2025
- [55 Williams Av](https://nearbypermits.com/boston/address/55-williams-av/): newest permit May 4, 2026

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-08 13:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 7 permits at this address and 46 nearby: https://nearbypermits.com/boston/address/13-williams-av/