# Building permits at 5 Saint William St, Boston, MA

The biggest project within a quarter mile since May 1: a $1.6M new building at 8 Sawyer Av, permitted May 15.

One permit on record here. The newest, Oct 16, 2025: Cover tyvek and install new vinyl siding. Within a quarter mile, the city has issued 91 more permits (89 projects) since May 1. One is for a new building, 0.20 mi away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 16, 2025 | Alteration or repair | cover tyvek and install new vinyl siding. | $17,600 | [SF1789059](https://nearbypermits.com/boston/permit/SF1789059/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 5 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | [1048 Dorchester Av](https://nearbypermits.com/boston/address/1048-dorchester-av/) | 160 ft NE | Roofing | tire off the shingles and replace for new asphalt shingles | $115,000 | [SF1884284](https://nearbypermits.com/boston/permit/SF1884284/) |
| Aug 7, 2026 | [11 Hallam St](https://nearbypermits.com/boston/address/11-hallam-st/) | 200 ft S | Solar | Installing rooftop solar PV of 3.69 KW and 9 modules. No ESS installation | $10,198 | [SF1835567](https://nearbypermits.com/boston/permit/SF1835567/) |
| Aug 7, 2026 | [11 Hallam St](https://nearbypermits.com/boston/address/11-hallam-st/) | 200 ft S | Electrical | Installing rooftop railed solar PV 3.69KW and 9 modules. | $23,796 | [E1834581](https://nearbypermits.com/boston/permit/E1834581/) |
| Jun 28, 2026 | [1043-1045 Dorchester Av](https://nearbypermits.com/boston/address/1043--1045-dorchester-av/) | 210 ft NW | Alteration or repair | Paint entire back porch, install new PVC lattice front and back porch, remove existing PT railings and install new PCV one, install 3 exterior doors and 3 storm doors, renovate 2 floor bathroom | $42,950 | [SF1861068](https://nearbypermits.com/boston/permit/SF1861068/) |
| Jun 24, 2026 | [14 Hallam St](https://nearbypermits.com/boston/address/14-hallam-st/) | 160 ft SE | Electrical | 100 amp replacing the disconnect and meter bank. | $8,000 | [E1864031](https://nearbypermits.com/boston/permit/E1864031/) |

### This block (250 to 1,000 ft), 62 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | [15 Saxton St](https://nearbypermits.com/boston/address/15-saxton-st/) | 870 ft SE | Plumbing | Install combi boiler for Unit 1 only. | $6,800 | [PL1906767](https://nearbypermits.com/boston/permit/PL1906767/) |
| Oct 6, 2026 | [15 Saxton St](https://nearbypermits.com/boston/address/15-saxton-st/) | 870 ft SE | Plumbing | Install combi boiler for Unit 1 only. | $6,800 | [G1906764](https://nearbypermits.com/boston/permit/G1906764/) |
| Oct 5, 2026 | [18 Treadway Rd](https://nearbypermits.com/boston/address/18-treadway-rd/) | 690 ft SW | Alteration or repair | Interior demo and removal all finishes affected by the fire and water. Clean up and remove all debris and trash. Replace roof shingles and make building weather-tight. | $47,500 | [SF1906864](https://nearbypermits.com/boston/permit/SF1906864/) |
| Oct 3, 2026 | [16 Taft St](https://nearbypermits.com/boston/address/16-taft-st/) | 950 ft NW | Electrical | Temp Generator power for film production. (AND ONLYTEMP GENERATOR POWER) October 7th Set and Work Trucks | $500 | [ETS1905792](https://nearbypermits.com/boston/permit/ETS1905792/) |
| Oct 1, 2026 | [25 Harbor View St](https://nearbypermits.com/boston/address/25-harbor-view-st/) | 930 ft N | Alteration or repair | Remove and replace rear porches to be same size and shape | $20,000 | [SF1905886](https://nearbypermits.com/boston/permit/SF1905886/) |
| Sep 30, 2026 | [7 Thornley St](https://nearbypermits.com/boston/address/7-thornley-st/) | 390 ft SW | Alteration or repair | Amendment to ALT1782865 to show additional bathroom on each floor of the renovated property. Construction cost reflected on original ALT permit. Add roof deck.; | $18,000 | [A1896630](https://nearbypermits.com/boston/permit/A1896630/) |
| Sep 29, 2026 | [40 Saxton St](https://nearbypermits.com/boston/address/40-saxton-st/) | 610 ft SE | Electrical | Upgrade the service From 100 Amp to 200 Amp, add the public meter for common area. | $5,000 | [E1904710](https://nearbypermits.com/boston/permit/E1904710/) |
| Sep 25, 2026 | [4 Victoria St](https://nearbypermits.com/boston/address/4-victoria-st/) | 380 ft NW | Alteration or repair | Installation of new siding and windows | $60,000 | [SF1903892](https://nearbypermits.com/boston/permit/SF1903892/) |
| Sep 21, 2026 | [65 Sagamore St](https://nearbypermits.com/boston/address/65-sagamore-st/) | 780 ft NE | Plumbing | Replace kitchen sink, garbage disposal, and dishwasher; | $1,000 | [PL1902710](https://nearbypermits.com/boston/permit/PL1902710/) |
| Sep 15, 2026 | [25 Harbor View St](https://nearbypermits.com/boston/address/25-harbor-view-st/) | 930 ft N | Electrical | Rewire whole house | $25,000 | [E1900736](https://nearbypermits.com/boston/permit/E1900736/) |
| Sep 9, 2026 | [25 Harbor View St](https://nearbypermits.com/boston/address/25-harbor-view-st/) | 930 ft N | Plumbing | new waste pipe to all new fixture toilet, sink, kitchen sink, shower. | $24,000 | [PL1897969](https://nearbypermits.com/boston/permit/PL1897969/) |
| Sep 9, 2026 | [24 Saxton St](https://nearbypermits.com/boston/address/24-saxton-st/) | 730 ft SE | Plumbing | Install 3 full bathrooms, 1 Kitchen sink, 1 garbage disposal, 1 Diswasher, 1 Washing machine connection, 1 Electric water heater, 2 silcocks | $19,200 | [PL1897558](https://nearbypermits.com/boston/permit/PL1897558/) |
| Sep 9, 2026 | [25 Harbor View St](https://nearbypermits.com/boston/address/25-harbor-view-st/) | 930 ft N | Plumbing | new gas line to stove, hot air furnace and tankless water heater. | $10,000 | [G1897965](https://nearbypermits.com/boston/permit/G1897965/) |
| Sep 9, 2026 | [24 Saxton St](https://nearbypermits.com/boston/address/24-saxton-st/) | 730 ft SE | Plumbing | Repairing the gas line and testing the existing furnace and 1 stove | $2,000 | [G1897559](https://nearbypermits.com/boston/permit/G1897559/) |
| Sep 9, 2026 | [49-51 Sudan St](https://nearbypermits.com/boston/address/49--51-sudan-st/) | 940 ft NE | Electrical | Inspect the electrical service to make sure everything is in good condition and ready for Eversource to install an additional meter for the common area. | $300 | [E1895947](https://nearbypermits.com/boston/permit/E1895947/) |
| Sep 8, 2026 | [3 Maryland St](https://nearbypermits.com/boston/address/3-maryland-st/) | 1,000 ft S | Electrical | Wiring for 3 family and add public meter | $38,000 | [E1899248](https://nearbypermits.com/boston/permit/E1899248/) |
| Sep 7, 2026 | [1078-1082 Dorchester Av](https://nearbypermits.com/boston/address/1078--1082-dorchester-av/) | 360 ft S | Fire systems | Install smoke and carbon monoxide detectors where required by law. | $1,200 | [EFA1644981](https://nearbypermits.com/boston/permit/EFA1644981/) |
| Sep 2, 2026 | [66 Tuttle St](https://nearbypermits.com/boston/address/66-tuttle-st/) | 780 ft E | Electrical | Wiring a full kitchen w/ dishwasher, disposal, fridge, microwave, gas stove and 4 recessed lights | $7,000 | [E1895986](https://nearbypermits.com/boston/permit/E1895986/) |
| Sep 2, 2026 | [75 Auckland St](https://nearbypermits.com/boston/address/75-auckland-st/) | 920 ft S | Electrical | Remodeling of Bedroom with walk in closet and Bathroom | $7,000 | [E1895981](https://nearbypermits.com/boston/permit/E1895981/) |
| Sep 1, 2026 | [9 Elton St](https://nearbypermits.com/boston/address/9-elton-st/) | 360 ft S | Plumbing | Add 3rd floor bathroom | $3,500 | [PL1894985](https://nearbypermits.com/boston/permit/PL1894985/) |
| Aug 31, 2026 | [25 Harbor View St](https://nearbypermits.com/boston/address/25-harbor-view-st/) | 930 ft N | Alteration or repair | Renovate kitchen and bathroom on all 3 floors, install insulation as needed. Flooring, painting, electrical and plumbing work. | $97,500 | [SF1896053](https://nearbypermits.com/boston/permit/SF1896053/) |
| Aug 31, 2026 | [44-46 Sagamore St](https://nearbypermits.com/boston/address/44--46-sagamore-st/) | 390 ft E | Electrical | Adding basement ADU Moving electrical panels to new mechanical room and wiring new unit | $10,000 | [E1894500](https://nearbypermits.com/boston/permit/E1894500/) |
| Aug 31, 2026 | [35 Sudan St](https://nearbypermits.com/boston/address/35-sudan-st/) | 740 ft NE | Alteration or repair | To change occupancy from three-family to four-family by converting basement level into a residential unit | $219,000 | [ALT1628851](https://nearbypermits.com/boston/permit/ALT1628851/) |
| Aug 28, 2026 | [58 Sydney St](https://nearbypermits.com/boston/address/58-sydney-st/) | 990 ft SE | Alteration or repair | Adding bathroom to the attic; | $5,000 | [SF1895679](https://nearbypermits.com/boston/permit/SF1895679/) |
| Aug 28, 2026 | [77 Savin Hill Av](https://nearbypermits.com/boston/address/77-savin-hill-av/) | 900 ft S | Fence, wall or deck | Demo front deck/porch. Violation V925664 | $5,000 | [SF1895527](https://nearbypermits.com/boston/permit/SF1895527/) |
| Aug 27, 2026 | [11 Savin Hill Av](https://nearbypermits.com/boston/address/11-savin-hill-av/) | 940 ft SW | Roofing | Strip roof of rubber related products and install new.060 fully adhered rubber roof system | $19,750 | [SF1890732](https://nearbypermits.com/boston/permit/SF1890732/) |
| Aug 27, 2026 | [75 Auckland St](https://nearbypermits.com/boston/address/75-auckland-st/) | 920 ft S | Plumbing | I will install rough and finish plumbing for full bathroom on second floor | $6,000 | [PL1895024](https://nearbypermits.com/boston/permit/PL1895024/) |
| Aug 25, 2026 | [66 Tuttle St](https://nearbypermits.com/boston/address/66-tuttle-st/) | 780 ft E | Electrical | Service upgrade 200amp | $5,000 | [E1880544](https://nearbypermits.com/boston/permit/E1880544/) |
| Aug 24, 2026 | [1097-1099 Dorchester Av](https://nearbypermits.com/boston/address/1097--1099-dorchester-av/) | 660 ft SW | Alteration or repair | Remove and replace all rotted exterior trim work | $50,000 | [SF1889235](https://nearbypermits.com/boston/permit/SF1889235/) |
| Aug 19, 2026 | [66 Tuttle St](https://nearbypermits.com/boston/address/66-tuttle-st/) | 780 ft E | Plumbing | Re-piped kitchen, sink, drainage and water and second floor bathroom drainage | $3,000 | [PL1889901](https://nearbypermits.com/boston/permit/PL1889901/) |
| Aug 12, 2026 | [75 Auckland St](https://nearbypermits.com/boston/address/75-auckland-st/) | 920 ft S | Alteration or repair | Non-structural interior reno of existing 2nd-floor area in single-family dwelling. Remove one non-loadbearing partition; reframe to create walk-in closet, bedroom, and bathroom. Framing, insulation, plaster, flooring, tile, paint. Plumbing/electrical under separate permits. No change to footprint. N | $105,500 | [SF1883110](https://nearbypermits.com/boston/permit/SF1883110/) |
| Aug 11, 2026 | [24 Saxton St](https://nearbypermits.com/boston/address/24-saxton-st/) | 730 ft SE | Alteration or repair | new drywall + trim, int &; ext doors, sand floor, replace kit. cabinets, counters, and bath fixtures. Elec. and plumbing fixtures will be updated in existing locations. Add recessed lighting in 2nd FL BRs. No changes to framing, structure, or exterior envelope. Replace deck, entry and rear stair rai | $65,000 | [SF1882596](https://nearbypermits.com/boston/permit/SF1882596/) |
| Aug 11, 2026 | [8 Taft St](https://nearbypermits.com/boston/address/8-taft-st/) | 880 ft N | Alteration or repair | bath tub removal, new install, tile, window stone 8 taft unit # 1 | $10,571 | [SF1878644](https://nearbypermits.com/boston/permit/SF1878644/) |
| Aug 10, 2026 | [24 Saxton St](https://nearbypermits.com/boston/address/24-saxton-st/) | 730 ft SE | Electrical | The house need to be inspected for power reconnection | $200 | [E1883680](https://nearbypermits.com/boston/permit/E1883680/) |
| Aug 7, 2026 | [36 Tuttle St](https://nearbypermits.com/boston/address/36-tuttle-st/) | 870 ft SE | Alteration or repair | Furnish and install twenty-three (23) harvey building products white interior / black exterior laminate exterior classic vinyl replacement windows w/ low-e/argon, half screens. | $17,800 | [SF1880179](https://nearbypermits.com/boston/permit/SF1880179/) |
| Jul 31, 2026 | [66 Tuttle St](https://nearbypermits.com/boston/address/66-tuttle-st/) | 780 ft E | Alteration or repair | Pending;ALT1872522 -Occupancy Committee review.We will remove all the existing kitchen cabinets and reinstall new ones.New countertops, appliances and refinish the existing flooring. | $103,679 | [SF1861893](https://nearbypermits.com/boston/permit/SF1861893/) |
| Jul 30, 2026 | [1105 Dorchester Av](https://nearbypermits.com/boston/address/1105-dorchester-av/) | 750 ft SW | Alteration or repair | Painting of interior and Exterior. Replace exist floor tiles and countertop. Pressure washing exterior and patch holes. All work Non-Structural. Yeanie's Burgers- (39 Savin Hill Ave.) | $25,000 | [SF1880248](https://nearbypermits.com/boston/permit/SF1880248/) |
| Jul 29, 2026 | [58 Sydney St](https://nearbypermits.com/boston/address/58-sydney-st/) | 990 ft SE | Plumbing | Bathroom remodel consisting of one lavatory, one water closet, one standing shower in each bathroom (first and second floor), Addition of washer and electric dryer (first and second floor), Kitchen remodel (first floor) | $8,000 | [PL1879467](https://nearbypermits.com/boston/permit/PL1879467/) |
| Jul 28, 2026 | [66 Tuttle St](https://nearbypermits.com/boston/address/66-tuttle-st/) | 780 ft E | Alteration or repair | Confirming occupancy of existing single family.; | Not listed | [ALT1872522](https://nearbypermits.com/boston/permit/ALT1872522/) |
| Jul 15, 2026 | [61 Savin Hill Av](https://nearbypermits.com/boston/address/61-savin-hill-av/) | 770 ft S | Solar | Installation of a safe and code-compliant grid-tied solar system on an existing residential roof. 17 Panels, 7.31 kW DC. | $6,000 | [SF1857959](https://nearbypermits.com/boston/permit/SF1857959/) |
| Jun 5, 2026 | [61 Savin Hill Av](https://nearbypermits.com/boston/address/61-savin-hill-av/) | 770 ft S | Solar | Installation of a safe and code-compliant grid-tied solar system on an existing residential roof. 17 Panels, 7.31 kW DC. | $20,000 | [E1857967](https://nearbypermits.com/boston/permit/E1857967/) |
| Jun 29, 2026 | [5 Romsey St](https://nearbypermits.com/boston/address/5-romsey-st/) | 520 ft N | Alteration or repair | Supply and install Hardie wrap vapor barrier on the entire house and tape at the seams Supply and install Zip flashing tape around all openings Supply and install new standard PVC mounting blocks (light, meter, plug plate, hose bib, etc.) Supply and install Hardie soffit on whole house All trim work | $86,965 | [SF1845289](https://nearbypermits.com/boston/permit/SF1845289/) |
| Jun 26, 2026 | [2 Saxton St](https://nearbypermits.com/boston/address/2-saxton-st/) | 880 ft SE | Alteration or repair | Removing a current HVAC System and replacing it with a new MIDEA 48000 BTU condenser and air handler in the attic. (Work Being done at 82 Savin Hill Ave, Dorchester, MA 02125 / secondary address). | $4,500 | [E1864297](https://nearbypermits.com/boston/permit/E1864297/) |
| Jun 16, 2026 | [6-8 Belfort St](https://nearbypermits.com/boston/address/6--8-belfort-st/) | 290 ft N | Electrical | Replace 3rd floor electrical panel and troubleshooting outlets not working in the bedroom | $2,600 | [E1861904](https://nearbypermits.com/boston/permit/E1861904/) |
| Jun 6, 2026 | [58 Sydney St](https://nearbypermits.com/boston/address/58-sydney-st/) | 990 ft SE | Alteration or repair | Renovate the kitchen on the first floor and the bathrooms on the first and second floor. | $25,000 | [SF1850513](https://nearbypermits.com/boston/permit/SF1850513/) |
| Jun 1, 2026 | [70 Tuttle St](https://nearbypermits.com/boston/address/70-tuttle-st/) | 780 ft E | Electrical | Full Electrical Service Upgrade from 100A to 200A | $3,800 | [E1852171](https://nearbypermits.com/boston/permit/E1852171/) |
| May 29, 2026 | [70 Tuttle St](https://nearbypermits.com/boston/address/70-tuttle-st/) | 780 ft E | Solar | Rooftop solar 9 panels 3.69 kwdc no ESS no structural | $4,102 | [SF1851017](https://nearbypermits.com/boston/permit/SF1851017/) |
| May 29, 2026 | [70 Tuttle St](https://nearbypermits.com/boston/address/70-tuttle-st/) | 780 ft E | Solar | Rooftop solar 9 panels 3.69 kwdc no ESS | $13,733 | [E1851018](https://nearbypermits.com/boston/permit/E1851018/) |
| May 26, 2026 | [18 Treadway Rd](https://nearbypermits.com/boston/address/18-treadway-rd/) | 690 ft SW | Alteration or repair | Exterior board up due to a building fire | $15,000 | [SF1853422](https://nearbypermits.com/boston/permit/SF1853422/) |
| May 26, 2026 | [42 Pleasant St](https://nearbypermits.com/boston/address/42-pleasant-st/) | 910 ft NW | Plumbing | Water Filtration System | $5,110 | [PL1852770](https://nearbypermits.com/boston/permit/PL1852770/) |
| May 26, 2026 | [17 Savin Hill Av](https://nearbypermits.com/boston/address/17-savin-hill-av/) | 900 ft SW | Plumbing | Install State, 40 Gallon, Gas Hot Water Heater in the Basement. | $1,500 | [PL1844590](https://nearbypermits.com/boston/permit/PL1844590/) |
| May 26, 2026 | [17 Savin Hill Av](https://nearbypermits.com/boston/address/17-savin-hill-av/) | 900 ft SW | Plumbing | Install State, 40 Gallon, Gas, Hot Water Heater in the Basement. | $1,500 | [G1844597](https://nearbypermits.com/boston/permit/G1844597/) |
| May 20, 2026 | [7 Thornley St](https://nearbypermits.com/boston/address/7-thornley-st/) | 390 ft SW | Fire systems | Install manual fire alarm system per 527 cmr 12.00 & NFPA 72. | $12,500 | [EFA1850251](https://nearbypermits.com/boston/permit/EFA1850251/) |
| May 15, 2026 | [77 Savin Hill Av](https://nearbypermits.com/boston/address/77-savin-hill-av/) | 900 ft S | Plumbing | Supply and install navien combi unit for the 3rd floor apartmennt | $7,000 | [G1849065](https://nearbypermits.com/boston/permit/G1849065/) |
| May 11, 2026 | [73 Romsey St](https://nearbypermits.com/boston/address/73-romsey-st/) | 930 ft E | Electrical | Electrical wiring for a 3-family house: 4 cat6 wire and r6 wire for each apartment. | $1,000 | [ELV1847462](https://nearbypermits.com/boston/permit/ELV1847462/) |
| May 11, 2026 | [7 Thornley St](https://nearbypermits.com/boston/address/7-thornley-st/) | 390 ft SW | Fire systems | Install hardwired smoke detector for 3 family house. | $4,500 | [EFA1847680](https://nearbypermits.com/boston/permit/EFA1847680/) |
| May 8, 2026 | [7 Thornley St](https://nearbypermits.com/boston/address/7-thornley-st/) | 390 ft SW | Electrical | Upgrade the service to 200 Amp, add the public meter and wire three dwelling unit. | $50,000 | [E1846792](https://nearbypermits.com/boston/permit/E1846792/) |
| May 8, 2026 | [1121 Dorchester Av](https://nearbypermits.com/boston/address/1121-dorchester-av/) | 890 ft S | Electrical | Kithen dishwasher: replacing the regular circuit breaker with a GFCI circuit breaker. | $300 | [E1844783](https://nearbypermits.com/boston/permit/E1844783/) |
| May 5, 2026 | [73 Romsey St](https://nearbypermits.com/boston/address/73-romsey-st/) | 930 ft E | Fire systems | Formal amendment designating Jason Kahan as the Engineer of Record for the Tier I drawings so that both Tier I and Tier II are aligned under the same professional. See alt1747461 | Not listed | [A1844993](https://nearbypermits.com/boston/permit/A1844993/) |
| May 4, 2026 | [990-996 Dorchester Av](https://nearbypermits.com/boston/address/990--996-dorchester-av/) | 750 ft N | Alteration or repair | Install a new counter top, plumbing to accommodate sink, electrical to accommodate light fixture and outlet and fire block if necessary. | $10,000 | [SF1841997](https://nearbypermits.com/boston/permit/SF1841997/) |
| May 4, 2026 | [7 Thornley St](https://nearbypermits.com/boston/address/7-thornley-st/) | 390 ft SW | Plumbing | Bathroom Kitchens Laundry Water heaters | $15,000 | [PL1845045](https://nearbypermits.com/boston/permit/PL1845045/) |
| May 4, 2026 | [7 Thornley St](https://nearbypermits.com/boston/address/7-thornley-st/) | 390 ft SW | Plumbing | Furnaces Water heaters Ranges | $6,000 | [G1845049](https://nearbypermits.com/boston/permit/G1845049/) |

### Farther (1,000 ft to ¼ mi), 24 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | [10 Sydney St](https://nearbypermits.com/boston/address/10-sydney-st/) | 0.23 mi SE | Alteration or repair | Remove existing wall cap and siding on parapet wall.Repair any areas where wall wood has become ineffective.install new high temperature ice and water shield weather barrier.Install new aluminum cap to help prevent weather penetration.Install new james ahrdi siding.Daily cleanup.Stage where | $72,000 | [SF1862725](https://nearbypermits.com/boston/permit/SF1862725/) |
| Oct 6, 2026 | [80-82 Romsey St](https://nearbypermits.com/boston/address/80--82-romsey-st/) | 0.19 mi NE | Plumbing | Gas test found leaking gas cock, replace gas cock | $500 | [G1907520](https://nearbypermits.com/boston/permit/G1907520/) |
| Oct 1, 2026 | [19 Midland St](https://nearbypermits.com/boston/address/19-midland-st/) | 0.25 mi S | Alteration or repair | Amendment to ALT1690151 - Remove the remaining section of the existing deteriorated foundation. Rebuild the removed section of foundation in accordance with the new drawings (see engineer rpt and attached drawings) | $15,000 | [A1905353](https://nearbypermits.com/boston/permit/A1905353/) |
| Sep 15, 2026 | [78 Harbor View St](https://nearbypermits.com/boston/address/78-harbor-view-st/) | 0.24 mi NE | Electrical | Service Upgrade to 200A | $3,000 | [E1879444](https://nearbypermits.com/boston/permit/E1879444/) |
| Sep 8, 2026 | [81 Romsey St](https://nearbypermits.com/boston/address/81-romsey-st/) | 0.19 mi E | Plumbing | replace existing tub/shower valve and drain with new shower valve and drain | $1,895 | [PL1899227](https://nearbypermits.com/boston/permit/PL1899227/) |
| Sep 8, 2026 | [21 Maryland St](https://nearbypermits.com/boston/address/21-maryland-st/) | 0.23 mi S | Electrical | Building service upgrade from 200 to 400 amps. No change in # of meters. Unit #1 - connections to 1 con, 1 air handler, 1 DHW, 1 ERV. Unit #2 - connections to 1 con, 1 air handler, 1 DHW, 1 ERV. Unit #3 -connections to 1 con, 1 air handler, 1 DHW, 1 ERV. | $52,000 | [E1897470](https://nearbypermits.com/boston/permit/E1897470/) |
| Sep 7, 2026 | [90 Pleasant St](https://nearbypermits.com/boston/address/90-pleasant-st/) | 0.19 mi SW | Plumbing | Renew bath 2nd floor | $3,500 | [PL1896419](https://nearbypermits.com/boston/permit/PL1896419/) |
| Sep 3, 2026 | [21 Maryland St](https://nearbypermits.com/boston/address/21-maryland-st/) | 0.23 mi S | Plumbing | Drain and remove existing heating boilers (3) Drain remove and replace DHW tanks (3) Install temp. basement sink (1) Install water sub-meters (3) Drain, remove and replace all existing plumbing infrastructure including capping + removing gas lines. | $68,000 | [PL1897308](https://nearbypermits.com/boston/permit/PL1897308/) |
| Aug 24, 2026 | [90 Pleasant St](https://nearbypermits.com/boston/address/90-pleasant-st/) | 0.19 mi SW | Electrical | full bathroom upgrade. vanity light. 4 recessed light. one fan only and 1 GFCI | $4,500 | [E1890839](https://nearbypermits.com/boston/permit/E1890839/) |
| Aug 21, 2026 | [33 Spring Garden St](https://nearbypermits.com/boston/address/33-spring-garden-st/) | 0.24 mi NE | Alteration or repair | repair to columns | $1,500 | [SF1890926](https://nearbypermits.com/boston/permit/SF1890926/) |
| Aug 21, 2026 | [33 Spring Garden St](https://nearbypermits.com/boston/address/33-spring-garden-st/) | 0.24 mi NE | Alteration or repair | N/R confirm occupancy of 1 FamilyNO RECORD OF OCCUPANCY;DANIEL RAE: | Not listed | [ALT1891040](https://nearbypermits.com/boston/permit/ALT1891040/) |
| Aug 19, 2026 | [4 Sawyer Av](https://nearbypermits.com/boston/address/4-sawyer-av/) | 0.20 mi SW | Alteration or repair | Demo decks and rebuild the same | $20,000 | [SF1889975](https://nearbypermits.com/boston/permit/SF1889975/) |
| Aug 17, 2026 | [85 Auckland St](https://nearbypermits.com/boston/address/85-auckland-st/) | 0.19 mi S | Alteration or repair | replace existing siding in rear and on left side | $20,000 | [SF1885972](https://nearbypermits.com/boston/permit/SF1885972/) |
| Aug 14, 2026 | [90 Pleasant St](https://nearbypermits.com/boston/address/90-pleasant-st/) | 0.19 mi SW | Alteration or repair | Complete renovation of existing first-floor bathroom. Remove tub, tile, and finishes. Close non-structural doorway. Install new walk-in shower, tile, vanity, toilet, lighting, plumbing and electrical updates, drywall, wallpaper, and finish work. No structural modifications. | $18,000 | [SF1883886](https://nearbypermits.com/boston/permit/SF1883886/) |
| Aug 4, 2026 | [78-80 Sudan St](https://nearbypermits.com/boston/address/78--80-sudan-st/) | 0.21 mi NE | Plumbing | gas pipe test because new meter install by gas company. | $1,800 | [G1881628](https://nearbypermits.com/boston/permit/G1881628/) |
| Jul 27, 2026 | [77 Harbor View St](https://nearbypermits.com/boston/address/77-harbor-view-st/) | 0.22 mi NE | Electrical | Rewire house and new service | $30,000 | [E1878149](https://nearbypermits.com/boston/permit/E1878149/) |
| Jul 27, 2026 | [19 Midland St](https://nearbypermits.com/boston/address/19-midland-st/) | 0.25 mi S | Electrical | Install 100amp overhead temporary service. | $2,000 | [E1873273](https://nearbypermits.com/boston/permit/E1873273/) |
| Jul 21, 2026 | [77 Harbor View St](https://nearbypermits.com/boston/address/77-harbor-view-st/) | 0.22 mi NE | Alteration or repair | Complete bathrooms remodeling on all 3 floors including electrical and plumbing work. Preparation and paint entire apartments. Install new floating flooring and trim on all 3 floors. Construct/improvement of basement storage area only and half bathroom. | $150,000 | [ALT1874151](https://nearbypermits.com/boston/permit/ALT1874151/) |
| Jul 20, 2026 | [14 Whitby Te](https://nearbypermits.com/boston/address/14-whitby-te/) | 0.22 mi W | Alteration or repair | Replacement of 13 Windows | $22,589 | [SF1868929](https://nearbypermits.com/boston/permit/SF1868929/) |
| Jun 17, 2026 | [1152 Dorchester Av](https://nearbypermits.com/boston/address/1152-dorchester-av/) | 0.23 mi S | Alteration or repair | Confirm Occupancy of existing 3 residential apartments and a store. | Not listed | [ALT1857809](https://nearbypermits.com/boston/permit/ALT1857809/) |
| Jun 16, 2026 | [19 Midland St](https://nearbypermits.com/boston/address/19-midland-st/) | 0.25 mi S | Alteration or repair | ;Confirm Occupancy of existing 1 Family home.; The owner seeks to erect a new third story and side addition as per the attached plans, and change occupancy from 1 to 3 residential units with 3 off street parking spaces. | $750,000 | [ALT1690151](https://nearbypermits.com/boston/permit/ALT1690151/) |
| Jun 12, 2026 | [946a-952 Dorchester Av](https://nearbypermits.com/boston/address/946a--952-dorchester-av/) | 0.24 mi N | Plumbing | Renovate bathroom (Tub to Tub, lav and toilet) Address: 950 Dorchester Ave #206 Dorchester MA 02125 | $1,500 | [PL1858768](https://nearbypermits.com/boston/permit/PL1858768/) |
| May 19, 2026 | [36 Spring Garden St](https://nearbypermits.com/boston/address/36-spring-garden-st/) | 0.25 mi NE | Fire systems | wiring and installation hardwire smoke and CO detectors | $1,500 | [EFA1850959](https://nearbypermits.com/boston/permit/EFA1850959/) |
| May 15, 2026 | [8 Sawyer Av](https://nearbypermits.com/boston/address/8-sawyer-av/) | 0.20 mi SW | New building | To Construct a new 5 unit three story building with off street parking as per the attached plans. | $1,572,000 | [ERT1334149](https://nearbypermits.com/boston/permit/ERT1334149/) |

## Zoning requests nearby

Hearings are public: you can comment or attend. Dates can move; check the city's page before you go.

| Status | Hearing | Address | Distance | Request | Case | City's words | Filed |
|---|---|---|---|---|---|---|---|
| Requested |  | 20 Mayfield St | 670 ft NW | To change occupancy from Existing 3-family to 5 family by dividing 1 unit to create 5-family total - no… | [BOA1853058](https://www.boston.gov/appeal-tracker) | "Community Process" | 2026-05-22 |
| Approved | May 19, 2026 | 70 Auckland St | 920 ft S | To construct an attached 3 story addition with parking at grade, and 2 new residential units above… | [BOA1821678](https://www.boston.gov/appeal-tracker) | "Appeal Closed", decision "AppProv" | 2026-02-17 |

Boston's decision codes, from its data dictionary (https://data.boston.gov/dataset/37d2e087-ce02-4090-bfdf-22de1ada3b23/resource/e11dcfa5-6f6f-4999-abc3-741f53c6731f/download/zba-data-dictionary.pdf): AppProv, "approved with conditions".

## More on this street

Other addresses on Saint William St with permits, nearest house number first:

- [7 Saint William St](https://nearbypermits.com/boston/address/7-saint-william-st/): newest permit Dec 10, 2025

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-11 20:29 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Zoning requests come from the Boston Zoning Board of Appeal tracker (https://data.boston.gov/dataset/zoning-board-of-appeal-tracker). We read it Oct 11, 17:17 UTC.

Map, the one permit at this address and 91 nearby: https://nearbypermits.com/boston/address/5-saint-william-st/