# Building permits at 21-23 Trapelo St, Boston, MA

Five permits on record here. The newest, Aug 7, 2025: Replacement of window sashes. Within a quarter mile, the city has issued 24 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 7, 2025 | Alteration or repair | Replacement of window sashes. No structural changes, no changes to existing openings. | $11,054 | [SF1756059](https://nearbypermits.com/boston/permit/SF1756059/) |
| Apr 11, 2019 | Electrical | Disconnect the existing service 100amp, remove it, and replace it with a 200amp new service and the addition of one owners meter. Up grade the grounding system. Remove the circuits for the common areas from the apartment panels and connect them to the new public panel. | $3,500 | [E940368](https://nearbypermits.com/boston/permit/E940368/) |
| Feb 28, 2019 | Alteration or repair | This application is filed to amend issued permit ALT825005 (12x10);by;making it 11x15 - | Not listed | [A918896](https://nearbypermits.com/boston/permit/A918896/) |
| Nov 5, 2018 | Alteration or repair | 2nd floor Deck Construction | $12,385 | [ALT825006](https://nearbypermits.com/boston/permit/ALT825006/) |
| May 1, 2015 | Fence, wall or deck | remove and replace existing fence | $700 | [SF468418](https://nearbypermits.com/boston/permit/SF468418/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 13 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [114 Foster St](https://nearbypermits.com/boston/address/114-foster-st/) | 810 ft E | Plumbing | Remove and replace a gas forced hot water boiler with a Fan In A Can for intake air. | $2,100 | [G1905338](https://nearbypermits.com/boston/permit/G1905338/) |
| Oct 5, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 850 ft N | Fire systems | Add new horn strobes, Smoke detecgtors, Mpnitor module for ansul system, Pull Station and test existing duct detector. all tied into an existing Fire panel 2nd floor unit 2 Popeyes Chicken. This is to replace electric permit E1843321 | $12,000 | [EFA1905587](https://nearbypermits.com/boston/permit/EFA1905587/) |
| Oct 1, 2026 | [114 Foster St](https://nearbypermits.com/boston/address/114-foster-st/) | 810 ft E | Plumbing | Remove and replace a gas boiler. | $16,000 | [PL1905341](https://nearbypermits.com/boston/permit/PL1905341/) |
| Sep 28, 2026 | [30 Glenmont Rd](https://nearbypermits.com/boston/address/30-glenmont-rd/) | 390 ft SE | Alteration or repair | Attic, basement sills, and wall insulation | $15,908 | [SF1903799](https://nearbypermits.com/boston/permit/SF1903799/) |
| Sep 23, 2026 | [487-489 Washington St](https://nearbypermits.com/boston/address/487--489-washington-st/) | 980 ft N | Electrical | Replace existing fluorescent lighting fixtures with LED/TLED fixtures. Install 18 LED/TLED interior fixtur3 retrofits, 5 fluorescent 8-ft fixture retrofits, 2 LED exterior fixtures, and 4 occupancy/photo sensors. Includes associated electrical connections and controls. | $1,492 | [E1903441](https://nearbypermits.com/boston/permit/E1903441/) |
| Sep 4, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 850 ft N | Sign | IMAGE STUDIOS SIGNAGE REBRAND: Install (3) illuminated channel lettersets | $6,500 | [ALT1868734](https://nearbypermits.com/boston/permit/ALT1868734/) |
| Aug 24, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 850 ft N | Sign | Install (2) new wall signs and (1) set of tenant panels on an existing directory | $3,800 | [ALT1877539](https://nearbypermits.com/boston/permit/ALT1877539/) |
| Jul 31, 2026 | [30 Rogers Park Av](https://nearbypermits.com/boston/address/30-rogers-park-av/) | 420 ft NE | Electrical | Parks department event requiring generator | $500 | [ETS1879175](https://nearbypermits.com/boston/permit/ETS1879175/) |
| Jul 24, 2026 | [28-30 Dickinson Rd](https://nearbypermits.com/boston/address/28--30-dickinson-rd/) | 740 ft NW | Roofing | Strip and reroof 17 SQ. No structural changes. | $16,431 | [SF1876012](https://nearbypermits.com/boston/permit/SF1876012/) |
| Jul 9, 2026 | [36-38 Dickinson Rd](https://nearbypermits.com/boston/address/36--38-dickinson-rd/) | 710 ft NW | Alteration or repair | Air sealing,walls, rim joist, door sweep, exterior door | $4,828 | [SF1870773](https://nearbypermits.com/boston/permit/SF1870773/) |
| Jun 23, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 850 ft N | Electrical | Installation of low-voltage cabling and security camera system including cameras, NVR, network equipment, and system configuration. | $6,500 | [ELV1863021](https://nearbypermits.com/boston/permit/ELV1863021/) |
| May 15, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 850 ft N | Fire systems | Add New Hom Strobes, Smoke Detectors, Monitor module for Ansul System, Pull Station and Test existing Duct Detector. All tied into an Exisiting Fire Panel. 2nfFloor Unit 2 Popeyes Chicken. | $12,195 | [EFA1850037](https://nearbypermits.com/boston/permit/EFA1850037/) |
| May 4, 2026 | [470 Washington St](https://nearbypermits.com/boston/address/470-washington-st/) | 850 ft N | Plumbing | Gas piping for a Popeye's restaurant | $7,500 | [G1844420](https://nearbypermits.com/boston/permit/G1844420/) |

### Farther (1,000 ft to ¼ mi), 11 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | [520 Washington St](https://nearbypermits.com/boston/address/520-washington-st/) | 0.20 mi NW | Plumbing | new boiler | $10,000 | [G1889541](https://nearbypermits.com/boston/permit/G1889541/) |
| Aug 24, 2026 | [127-129 Lake St](https://nearbypermits.com/boston/address/127--129-lake-st/) | 0.20 mi SW | Other | Erect 20x50 tent on 8/25/26, removal on 8/27/26. | $2,500 | [SF1890986](https://nearbypermits.com/boston/permit/SF1890986/) |
| Jul 29, 2026 | [71 Foster St](https://nearbypermits.com/boston/address/71-foster-st/) | 0.21 mi NE | Roofing | strip and reroof | $21,000 | [SF1878997](https://nearbypermits.com/boston/permit/SF1878997/) |
| Jun 18, 2026 | [520 Washington St](https://nearbypermits.com/boston/address/520-washington-st/) | 0.20 mi NW | Roofing | Strip and re-roof 60-mil PVC membrane | $17,550 | [SF1862498](https://nearbypermits.com/boston/permit/SF1862498/) |
| Jun 18, 2026 | [40 Lake Shore Rd](https://nearbypermits.com/boston/address/40-lake-shore-rd/) | 0.23 mi SW | Alteration or repair | Install 15" R-49 cellulose above the 2nd floor flat ceilings. Insulate the enclosed slopes with 8" R-26 cellulose. Install R-13 fiberglass in the knee wall end walls. Install cellulose in the exterior walls. Install R-19 fiberglass int he perimeter accessible basement rim joist area. | $10,367 | [SF1859992](https://nearbypermits.com/boston/permit/SF1859992/) |
| Jun 16, 2026 | [60 Foster St](https://nearbypermits.com/boston/address/60-foster-st/) | 0.23 mi NE | Plumbing | Basement - remove existing gas water heater, cap line first fl- install new navian gas water heater | $6,500 | [G1860392](https://nearbypermits.com/boston/permit/G1860392/) |
| Jun 12, 2026 | [60 Foster St](https://nearbypermits.com/boston/address/60-foster-st/) | 0.23 mi NE | Plumbing | first fl-new full bath, remodel existing bath, remodel kitchen, tankless water heater basement - eliminate existing water heater | $15,600 | [PL1860383](https://nearbypermits.com/boston/permit/PL1860383/) |
| Jun 1, 2026 | [520 Washington St](https://nearbypermits.com/boston/address/520-washington-st/) | 0.20 mi NW | Electrical | replacing 25 smokes and 50 breakers, adding surge protectors in panels and adding 2 car chargers | $18,000 | [E1847937](https://nearbypermits.com/boston/permit/E1847937/) |
| May 18, 2026 | [40 Lake Shore Rd](https://nearbypermits.com/boston/address/40-lake-shore-rd/) | 0.23 mi SW | Plumbing | #39 Lake Shore #1 2nd Floor Bathroom: toilet, Lav, Shower | $2,500 | [PL1848032](https://nearbypermits.com/boston/permit/PL1848032/) |
| May 15, 2026 | [60 Foster St](https://nearbypermits.com/boston/address/60-foster-st/) | 0.23 mi NE | Electrical | Rewire the aparment unit #1 and upgrade the service from 100 to 200a | $15,000 | [E1849572](https://nearbypermits.com/boston/permit/E1849572/) |
| May 5, 2026 | [60 Foster St](https://nearbypermits.com/boston/address/60-foster-st/) | 0.23 mi NE | Alteration or repair | Interior renovation of existing apartment. Work includes kitchen & bathroom renovation, construction of 1 new bathroom within existing footprint, installation of ductless mini-split, interior painting, & associated plumbing & electrical work. Non-structural; no changes to building envelope. | $85,000 | [SF1842989](https://nearbypermits.com/boston/permit/SF1842989/) |

## 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 |  | 111 Foster Te | 860 ft E | Zoning appeal: "Letter from Architect included asking for nominal Fee in order to present the project…" | [BOA1888905](https://www.boston.gov/appeal-tracker) | "Community Process" | 2026-08-17 |

## More on this street

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

- [43 Trapelo St](https://nearbypermits.com/boston/address/43-trapelo-st/): newest permit Apr 18, 2025

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-09 10:47 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 9, 06:47 UTC.

Map, all 5 permits at this address and 24 nearby: https://nearbypermits.com/boston/address/21--23-trapelo-st/