# Building permits at 377 Walnut Av, Boston, MA

The biggest project within a quarter mile since May 1: a $102M new building at 450 Walnut Av, permitted Jul 24.

10 permits on record here. The newest, Feb 11: We will install air conditioning with blown cellulose on the main ceiling and we will do air sealing. Within a quarter mile, the city has issued 49 more permits (48 projects) since May 1. One is for a new building, 850 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Feb 11, 2026 | Alteration or repair | We will install air conditioning with blown cellulose on the main ceiling and we will do air sealing. | $2,697 | [SF1716968](https://nearbypermits.com/boston/permit/SF1716968/) |
| Jan 23, 2026 | Alteration or repair | Confirm occupancy as a church. | Not listed | [ALT1735005](https://nearbypermits.com/boston/permit/ALT1735005/) |
| Oct 7, 2022 | Plumbing | install 2 Direct Vent Boilers in basement of church | $2,000 | [G1399252](https://nearbypermits.com/boston/permit/G1399252/) |
| Aug 2, 2021 | Electrical | New Service for MBTA Bus Station along Columbus Ave | $2,000 | [E1228023](https://nearbypermits.com/boston/permit/E1228023/) |
| Aug 2, 2021 | Electrical | New Service for MBTA Bus Station along Columbus Ave | $2,000 | [E1228014](https://nearbypermits.com/boston/permit/E1228014/) |
| Aug 12, 2020 | Plumbing | install a 40 gal indirect and backflow preventer | $2,500 | [PL1104558](https://nearbypermits.com/boston/permit/PL1104558/) |
| Aug 3, 2020 | Plumbing | install new boiler in basement | $3,000 | [G1098589](https://nearbypermits.com/boston/permit/G1098589/) |
| Sep 12, 2017 | Fence, wall or deck | Deck repairs | $5,800 | [SF755176](https://nearbypermits.com/boston/permit/SF755176/) |
| Feb 13, 2014 | Plumbing | Water piping backflow | $1,000 | [PL324132](https://nearbypermits.com/boston/permit/PL324132/) |
| Feb 13, 2014 | Plumbing | Boiler replacement pressure test | $3,000 | [G324138](https://nearbypermits.com/boston/permit/G324138/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 2 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 13, 2026 | [7 Homestead St](https://nearbypermits.com/boston/address/7-homestead-st/) | 230 ft E | Alteration or repair | 364 WALNUT AVE - Remove existing siding and siding accessories and replace with new siding and siding accessories. | $96,450 | [SF1870332](https://nearbypermits.com/boston/permit/SF1870332/) |
| Jun 6, 2026 | [7 Homestead St](https://nearbypermits.com/boston/address/7-homestead-st/) | 230 ft E | Alteration or repair | Remove front porches and rebuild them. Remove front masonry steps and rebuild with wood. | $21,550 | [SF1856159](https://nearbypermits.com/boston/permit/SF1856159/) |

### This block (250 to 1,000 ft), 26 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [30 Walnut Pk](https://nearbypermits.com/boston/address/30-walnut-pk/) | 810 ft N | Fire systems | In Unit 5, 6, 10 - fish in local smoke/co detector, and local smoke detector in bedroom. | $2,650 | [EFA1903994](https://nearbypermits.com/boston/permit/EFA1903994/) |
| Sep 30, 2026 | [24 Walnut Pk](https://nearbypermits.com/boston/address/24-walnut-pk/) | 870 ft NW | Fire systems | In Unit 9 - fish in local smoke/co detector, and local smoke detector in bedroom. | $675 | [EFA1903990](https://nearbypermits.com/boston/permit/EFA1903990/) |
| Sep 21, 2026 | [24 Granada Pk](https://nearbypermits.com/boston/address/24-granada-pk/) | 980 ft SW | Electrical | Replace existing bath fan with new | $1,250 | [ELV1902431](https://nearbypermits.com/boston/permit/ELV1902431/) |
| Sep 15, 2026 | [2000 Columbus Av](https://nearbypermits.com/boston/address/2000-columbus-av/) | 680 ft NW | Fire systems | Replace existing fire alarm panel with new panel. Add cellular dialer. Work to be completed and tested during a single 8 hour shift. Building is a bha property | $6,000 | [EFA1900674](https://nearbypermits.com/boston/permit/EFA1900674/) |
| Aug 27, 2026 | [11 Wardman Rd](https://nearbypermits.com/boston/address/11-wardman-rd/) | 610 ft N | Plumbing | Replacing gas dryers in common area laundry room. | $1,000 | [G1894547](https://nearbypermits.com/boston/permit/G1894547/) |
| Aug 14, 2026 | [18 Westminster Av](https://nearbypermits.com/boston/address/18-westminster-av/) | 990 ft N | Electrical | rewire house to code upgrade electrical service to 200amps | $40,000 | [E1888236](https://nearbypermits.com/boston/permit/E1888236/) |
| Aug 12, 2026 | [54 Ruthven St](https://nearbypermits.com/boston/address/54-ruthven-st/) | 950 ft E | Electrical | Low voltage alarm install | $1,200 | [ELV1883632](https://nearbypermits.com/boston/permit/ELV1883632/) |
| Aug 10, 2026 | [18 Westminster Av](https://nearbypermits.com/boston/address/18-westminster-av/) | 990 ft N | Plumbing | Remodel kitchen first floor, pipe newbar sink first floor, pipe new washing machine connection second floor | $10,000 | [PL1881858](https://nearbypermits.com/boston/permit/PL1881858/) |
| Aug 4, 2026 | [17 Ruthven St](https://nearbypermits.com/boston/address/17-ruthven-st/) | 650 ft E | Alteration or repair | deck repair | $10,000 | [SF1878825](https://nearbypermits.com/boston/permit/SF1878825/) |
| Jul 28, 2026 | [24 Westminster Av](https://nearbypermits.com/boston/address/24-westminster-av/) | 900 ft N | Electrical | Finish electrical installation of the service equipment and pull the secondary feeders in, terminate and complete the finish wiring devices and installed owner supplied lighting fixtures. This project was originally permitted under Scott MacLeod/S MacLeod Electric E1672464 issued 11/26/2024. | Not listed | [E1877194](https://nearbypermits.com/boston/permit/E1877194/) |
| Jul 24, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 850 ft SW | New building | Erect White Stadium WEST Grandstand. Excavation and installation of concrete foundations on separate permit.[ePlans] | $101,897,138 | [ERT1691970](https://nearbypermits.com/boston/permit/ERT1691970/) |
| Jul 23, 2026 | [24 Westminster Av](https://nearbypermits.com/boston/address/24-westminster-av/) | 900 ft N | Electrical | Finishing low voltage cable and data line terminations from previous permit elv1683468 scott macleod/ S macleod electric | Not listed | [ELV1877202](https://nearbypermits.com/boston/permit/ELV1877202/) |
| Jul 20, 2026 | [126 Crawford St](https://nearbypermits.com/boston/address/126-crawford-st/) | 940 ft NE | Addition | Construct new exterior stairs and entry landing to provide a dedicated front entrance for the second unit, which occupies the third floor of an existing two-family dwelling. The first unit occupies the first and second floors. No change in use or occupancy. | $15,000 | [ALT1796040](https://nearbypermits.com/boston/permit/ALT1796040/) |
| Jul 17, 2026 | [134-140 Crawford St](https://nearbypermits.com/boston/address/134--140-crawford-st/) | 980 ft NE | Roofing | Strip existing EPDM Roof and Install new insulation and EPDM Roof | $128,520 | [SF1870552](https://nearbypermits.com/boston/permit/SF1870552/) |
| Jul 16, 2026 | [24 Homestead St](https://nearbypermits.com/boston/address/24-homestead-st/) | 510 ft E | Plumbing | Replacement of gas water heater | $2,204 | [PL1871465](https://nearbypermits.com/boston/permit/PL1871465/) |
| Jul 16, 2026 | [24 Homestead St](https://nearbypermits.com/boston/address/24-homestead-st/) | 510 ft E | Plumbing | Replacement of gas water heater | $2,204 | [G1871464](https://nearbypermits.com/boston/permit/G1871464/) |
| Jul 15, 2026 | [2055-2061 Columbus Av](https://nearbypermits.com/boston/address/2055--2061-columbus-av/) | 270 ft W | Plumbing | Replacing gas dryers in common area laundry room. | $540 | [G1861836](https://nearbypermits.com/boston/permit/G1861836/) |
| Jun 26, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 850 ft SW | Electrical | Furnish & install the infrastructure and equipment associated with the Security system on the East side of White Stadium and the Event Level Zone F on the West side of White Stadium | $170,000 | [ELV1863911](https://nearbypermits.com/boston/permit/ELV1863911/) |
| Jun 26, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 850 ft SW | Fire systems | New Fire Alarm System installed in East side of White Stadium and Event Level Zone F on West side of stadium | $388,045 | [EFA1863536](https://nearbypermits.com/boston/permit/EFA1863536/) |
| Jun 17, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 850 ft SW | Electrical | Furnish&install the temporary electrical work associated with the construction of the White Stadium project. Temporary service completed by others. LAI to connect to existing service equipment for temporary power within the new building footprint. Installation will include UG and overhead conductors | Not listed | [E1826002](https://nearbypermits.com/boston/permit/E1826002/) |
| Jun 15, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 850 ft SW | Electrical | White Stadium - West Renovation - PERMIT FEE WAIVED same as East Renovation. Letter is attached MISC Low Voltage HVAC Control Wiring AM 263970 | $637,745 | [ELV1860279](https://nearbypermits.com/boston/permit/ELV1860279/) |
| Jun 6, 2026 | [419 Walnut Av](https://nearbypermits.com/boston/address/419-walnut-av/) | 420 ft SW | Plumbing | Replacing gas dryers in common area laundry room. | $270 | [G1856687](https://nearbypermits.com/boston/permit/G1856687/) |
| Jun 4, 2026 | [24 Granada Pk](https://nearbypermits.com/boston/address/24-granada-pk/) | 980 ft SW | Electrical | heat pump wiring | $600 | [E1857311](https://nearbypermits.com/boston/permit/E1857311/) |
| Jun 1, 2026 | [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/) | 850 ft SW | Electrical | White Stadium - East Renovation at 450E Walnut Avenue Boston location. Misc low voltage HVAC control wiring - permit fee waived see attacment # 5- am 264066 | $623,370 | [ELV1849797](https://nearbypermits.com/boston/permit/ELV1849797/) |
| May 11, 2026 | [27 School St](https://nearbypermits.com/boston/address/27-school-st/) | 580 ft W | Plumbing | gas boiler replacement plumbing permit also pulled, 27 school st place roxbury is the property address (the portal didnt show school st place so mentioning to be sure its accurate) | $10,000 | [PL1847363](https://nearbypermits.com/boston/permit/PL1847363/) |
| May 11, 2026 | [27 School St](https://nearbypermits.com/boston/address/27-school-st/) | 580 ft W | Plumbing | Gas boiler replacement- 85k BTU (plumbing permit also being pulled) address is 27 school st place Roxbury/Boston 02119 | $15,000 | [G1847350](https://nearbypermits.com/boston/permit/G1847350/) |

### Farther (1,000 ft to ¼ mi), 21 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | [1 Pierpont Rd](https://nearbypermits.com/boston/address/1-pierpont-rd/) | 0.22 mi S | Electrical | grounding of (1) 25KW generator to power audio gear set up 10/1st - franklin park overlook ruins | $1,000 | [ETS1902784](https://nearbypermits.com/boston/permit/ETS1902784/) |
| Sep 16, 2026 | [96 Crawford St](https://nearbypermits.com/boston/address/96-crawford-st/) | 0.25 mi E | Alteration or repair | 6 zone Ductless (Minisplit) system. 6 heads and 2 condensers. | $36,000 | [SF1894901](https://nearbypermits.com/boston/permit/SF1894901/) |
| Aug 31, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 0.22 mi W | Electrical | Remodeling in the Kitchen and two bedrooms and ADU new construction in the Living, Dining, Bathroom and Laundry Room and Deck and Install a New MINI SPLIT | $9,200 | [E1895521](https://nearbypermits.com/boston/permit/E1895521/) |
| Aug 27, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 0.22 mi W | Plumbing | kit bath | $6,000 | [PL1895060](https://nearbypermits.com/boston/permit/PL1895060/) |
| Jul 30, 2026 | [302 Walnut Av](https://nearbypermits.com/boston/address/302-walnut-av/) | 0.21 mi NE | Electrical | Diesel generator to Power Inflatables for duration of event | $3,020 | [E1879802](https://nearbypermits.com/boston/permit/E1879802/) |
| Jul 27, 2026 | [27 Chilcott Pl](https://nearbypermits.com/boston/address/27-chilcott-pl/) | 0.21 mi W | Alteration or repair | Installation and wiring of new ducted system consisting of one condenser and one air handler | $18,823 | [SF1874218](https://nearbypermits.com/boston/permit/SF1874218/) |
| Jul 22, 2026 | [27 Chilcott Pl](https://nearbypermits.com/boston/address/27-chilcott-pl/) | 0.21 mi W | Electrical | Installation and wiring of new ducted system consisting of one condenser and one air handler | $6,274 | [E1875220](https://nearbypermits.com/boston/permit/E1875220/) |
| Jul 21, 2026 | [1 Beethoven St](https://nearbypermits.com/boston/address/1-beethoven-st/) | 0.23 mi NW | Plumbing | Piping in an indirect water heater and a mixing valve | $5,000 | [PL1874509](https://nearbypermits.com/boston/permit/PL1874509/) |
| Jul 6, 2026 | [6 Beethoven St](https://nearbypermits.com/boston/address/6-beethoven-st/) | 0.24 mi NW | Plumbing | New gas work | $500 | [G1862969](https://nearbypermits.com/boston/permit/G1862969/) |
| Jun 29, 2026 | [6 Beethoven St](https://nearbypermits.com/boston/address/6-beethoven-st/) | 0.24 mi NW | Plumbing | All new plumbing. | $4,500 | [PL1862967](https://nearbypermits.com/boston/permit/PL1862967/) |
| Jun 18, 2026 | [1 Pierpont Rd](https://nearbypermits.com/boston/address/1-pierpont-rd/) | 0.22 mi S | Electrical | Generator for use with an entertainment setup. The event is taking place on Saturday, June 19, 2026 between 10:00 am - 8:00 pm at Franklin Park Playstead at Pierpont Road. | $965 | [ETS1862591](https://nearbypermits.com/boston/permit/ETS1862591/) |
| Jun 17, 2026 | [15 Erie Pl](https://nearbypermits.com/boston/address/15-erie-pl/) | 0.22 mi W | Alteration or repair | Installation of 12x20 gazebo in backyard. | $1,200 | [ALT1860829](https://nearbypermits.com/boston/permit/ALT1860829/) |
| Jun 16, 2026 | [3 Atherton St](https://nearbypermits.com/boston/address/3-atherton-st/) | 0.24 mi NW | Plumbing | House Remodel Plumbing | $12,000 | [PL1855662](https://nearbypermits.com/boston/permit/PL1855662/) |
| Jun 16, 2026 | [3 Atherton St](https://nearbypermits.com/boston/address/3-atherton-st/) | 0.24 mi NW | Plumbing | New gas main pipe serving 2 furnaces | $5,000 | [G1855664](https://nearbypermits.com/boston/permit/G1855664/) |
| Jun 11, 2026 | [6 Beethoven St](https://nearbypermits.com/boston/address/6-beethoven-st/) | 0.24 mi NW | Addition | extend living space into attic. 1 bedroom, 1 bathroom, living room. | $4,500 | [E1859725](https://nearbypermits.com/boston/permit/E1859725/) |
| Jun 8, 2026 | [3 Atherton St](https://nearbypermits.com/boston/address/3-atherton-st/) | 0.24 mi NW | Alteration or repair | removal of existing vinyl siding and replacing with similar vinyl siding. aluminum coil to b installed | $10,000 | [SF1857662](https://nearbypermits.com/boston/permit/SF1857662/) |
| Jun 4, 2026 | [3 Atherton St](https://nearbypermits.com/boston/address/3-atherton-st/) | 0.24 mi NW | Alteration or repair | ALT1837028 pending Occupancy.renovation of interior of house to include, new kitchen cabinets, all 3 baths, hardwood floor throughout, all doors to be replaced and trim, window casing trim to be replaced. existing layout to remain with minor changes. all new window replacement to existing openings. | $150,000 | [SF1832767](https://nearbypermits.com/boston/permit/SF1832767/) |
| Jun 2, 2026 | [125 Crawford St](https://nearbypermits.com/boston/address/125-crawford-st/) | 0.20 mi NE | Alteration or repair | replacing back porch | $15,000 | [SF1853575](https://nearbypermits.com/boston/permit/SF1853575/) |
| May 20, 2026 | [3 Atherton St](https://nearbypermits.com/boston/address/3-atherton-st/) | 0.24 mi NW | Alteration or repair | confirm occupancy of existing single family house | Not listed | [ALT1837028](https://nearbypermits.com/boston/permit/ALT1837028/) |
| May 13, 2026 | [17 Cobden St](https://nearbypermits.com/boston/address/17-cobden-st/) | 0.24 mi N | Alteration or repair | Remove and replace 4 windows; like for like size; no structural changes | $11,948 | [SF1847236](https://nearbypermits.com/boston/permit/SF1847236/) |
| May 5, 2026 | [16 Chilcott Pl](https://nearbypermits.com/boston/address/16-chilcott-pl/) | 0.22 mi W | Alteration or repair | Adding 20' X 22' 5" 3rd floor addition with new full bath new hvac, plumbing, and electrical New cedar shingle siding to match existing PDM rubber roof membrane over addition and dormer -N/R of Occupancy, Confirm Occupancy of 3 Family; | $176,500 | [ALT1741248](https://nearbypermits.com/boston/permit/ALT1741248/) |

## More on this street

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

- [361 Walnut Av](https://nearbypermits.com/boston/address/361-walnut-av/): newest permit Jul 3, 2025
- [419 Walnut Av](https://nearbypermits.com/boston/address/419-walnut-av/): newest permit Jun 6, 2026
- [439 Walnut Av](https://nearbypermits.com/boston/address/439-walnut-av/): newest permit Oct 7, 2025
- [449-451 Walnut Av](https://nearbypermits.com/boston/address/449--451-walnut-av/): newest permit Dec 26, 2025
- [450 Walnut Av](https://nearbypermits.com/boston/address/450-walnut-av/): newest permit Jul 24, 2026
- [302 Walnut Av](https://nearbypermits.com/boston/address/302-walnut-av/): newest permit Jul 30, 2026
- [300 Walnut Av](https://nearbypermits.com/boston/address/300-walnut-av/): newest permit Apr 21, 2026
- [282 Walnut Av](https://nearbypermits.com/boston/address/282-walnut-av/): newest permit Apr 14, 2026
- [279 Walnut Av](https://nearbypermits.com/boston/address/279-walnut-av/): newest permit Sep 22, 2026
- [277 Walnut Av](https://nearbypermits.com/boston/address/277-walnut-av/): newest permit Oct 9, 2025

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 14:29 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 10 permits at this address and 49 nearby: https://nearbypermits.com/boston/address/377-walnut-av/