# Building permits at 41 Lyon St, Boston, MA

The biggest project within a quarter mile since May 1: a $1.9M alteration or repair at 19 Parish St, permitted May 19.

Five permits on record here. The newest, Apr 21: Install 2 replacement windows - no structural work. Within a quarter mile, the city has issued 48 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Apr 21, 2026 | Alteration or repair | Install 2 replacement windows - no structural work | $2,037 | [SF1836088](https://nearbypermits.com/boston/permit/SF1836088/) |
| Sep 27, 2022 | Alteration or repair | Install new sheetrock and insulation to second floor bedroom | $2,500 | [SF1395960](https://nearbypermits.com/boston/permit/SF1395960/) |
| Sep 26, 2022 | Fire systems | Install 3 hard wire smokes and 1 smoke/co detector in second floor apartment. | $1,000 | [EFA1395571](https://nearbypermits.com/boston/permit/EFA1395571/) |
| Sep 26, 2022 | Electrical | Install new electrical wiring for One bedroom and closet in 2nd floor apartment. | $2,000 | [E1395570](https://nearbypermits.com/boston/permit/E1395570/) |
| Aug 4, 2020 | Alteration or repair | Install 44 windows for replacement no structural changes | $29,133 | [SF1099962](https://nearbypermits.com/boston/permit/SF1099962/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 1 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| May 19, 2026 | [49 Hecla St](https://nearbypermits.com/boston/address/49-hecla-st/) | 160 ft NW | Alteration or repair | Residential weatherization/air sealing. No structural changes. (1338918726)(Unit 2). | $5,000 | [SF1845786](https://nearbypermits.com/boston/permit/SF1845786/) |

### This block (250 to 1,000 ft), 24 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [83 Adams St](https://nearbypermits.com/boston/address/83-adams-st/) | 380 ft SW | Alteration or repair | Blown in cellulose insulation at exterior walls, air sealing and weatherization. | $7,225 | [SF1899092](https://nearbypermits.com/boston/permit/SF1899092/) |
| Sep 25, 2026 | [34 High St](https://nearbypermits.com/boston/address/34-high-st/) | 930 ft N | Plumbing | Tub to shower conversion in 1st floor bathroom | $2,500 | [PL1902816](https://nearbypermits.com/boston/permit/PL1902816/) |
| Sep 16, 2026 | [1334-1342 Dorchester Av](https://nearbypermits.com/boston/address/1334--1342-dorchester-av/) | 810 ft SE | Electrical | Install lights on facade of building | $8,000 | [E1900969](https://nearbypermits.com/boston/permit/E1900969/) |
| Sep 10, 2026 | [83 Adams St](https://nearbypermits.com/boston/address/83-adams-st/) | 380 ft SW | Electrical | Replace (3) Bathroom fans with panasonic bath fans and air cycler smart switch for weatherization work. | $3,817 | [E1899298](https://nearbypermits.com/boston/permit/E1899298/) |
| Sep 4, 2026 | [15 Juliette St](https://nearbypermits.com/boston/address/15-juliette-st/) | 610 ft W | Alteration or repair | Installation of Insulation/weatherization | $2,430 | [SF1895012](https://nearbypermits.com/boston/permit/SF1895012/) |
| Aug 24, 2026 | [299-301 Hancock St](https://nearbypermits.com/boston/address/299--301-hancock-st/) | 840 ft NE | Other | At Risk 2026 Seasonal outdoor seating for 20 persons; Mofongo. Factory associated with;U491735749 to go to the ZBA for approval. | Not listed | [SF1890392](https://nearbypermits.com/boston/permit/SF1890392/) |
| Aug 11, 2026 | [10 Hecla St](https://nearbypermits.com/boston/address/10-hecla-st/) | 320 ft NE | Fire systems | adding 3rd floor unit to a two family home new full sprincker system add new strobe-smoke-Bell-strobe- temper- and flow | $4,800 | [EFA1885551](https://nearbypermits.com/boston/permit/EFA1885551/) |
| Aug 11, 2026 | [10 Hecla St](https://nearbypermits.com/boston/address/10-hecla-st/) | 320 ft NE | Electrical | install new 200amp service 4-meter socket- 3rd floor will be addition to this apartment all new wiring to all 3 units and basement: power-lighting-door bell- and 120volt smokes | $15,000 | [E1880839](https://nearbypermits.com/boston/permit/E1880839/) |
| Aug 10, 2026 | [128 Adams St](https://nearbypermits.com/boston/address/128-adams-st/) | 710 ft S | Roofing | Strip existing EPDM Roof and Install new insulation and EPDM Roof | $93,312 | [SF1870541](https://nearbypermits.com/boston/permit/SF1870541/) |
| Jul 31, 2026 | [24 Parish St](https://nearbypermits.com/boston/address/24-parish-st/) | 730 ft N | Electrical | Power for chair lift, conduit for access control and exit signs, bathroom sink faucet sensors. | $68,000 | [E1880613](https://nearbypermits.com/boston/permit/E1880613/) |
| Jul 23, 2026 | [10 Hecla St](https://nearbypermits.com/boston/address/10-hecla-st/) | 320 ft NE | Plumbing | install new 3 stove 3 dryer 3 tankless water heat | $3,000 | [G1872266](https://nearbypermits.com/boston/permit/G1872266/) |
| Jul 14, 2026 | [10 Hecla St](https://nearbypermits.com/boston/address/10-hecla-st/) | 320 ft NE | Plumbing | install new 6 full bathroom.3 kitchen 3 laundry | Not listed | [PL1870521](https://nearbypermits.com/boston/permit/PL1870521/) |
| Jul 2, 2026 | [41 Percival St](https://nearbypermits.com/boston/address/41-percival-st/) | 840 ft W | Electrical | Upgrade existing service from 100A to 200A move meters outside and add a public meter | $7,400 | [E1867682](https://nearbypermits.com/boston/permit/E1867682/) |
| Jul 1, 2026 | [24 Parish St](https://nearbypermits.com/boston/address/24-parish-st/) | 730 ft N | Plumbing | Gas piping in support of reno/fitout (no gas fixtures) | $9,255 | [G1861914](https://nearbypermits.com/boston/permit/G1861914/) |
| Jun 29, 2026 | [115 Adams St](https://nearbypermits.com/boston/address/115-adams-st/) | 600 ft S | Plumbing | plumbing for 9 units | $100,000 | [PL1864716](https://nearbypermits.com/boston/permit/PL1864716/) |
| Jun 15, 2026 | [10 Parish St](https://nearbypermits.com/boston/address/10-parish-st/) | 730 ft NW | Other | Erect 50x100 tent on 6/26/26, removal on 6/29/26. | $5,985 | [SF1859764](https://nearbypermits.com/boston/permit/SF1859764/) |
| Jun 11, 2026 | [11 Hecla St](https://nearbypermits.com/boston/address/11-hecla-st/) | 490 ft NE | Alteration or repair | remove cedar wood siding,check and replace damaged wood,install flashing and tape around windows, install underlayment, pvc trim around windows | $32,000 | [SF1860093](https://nearbypermits.com/boston/permit/SF1860093/) |
| Jun 4, 2026 | [35 Fox St](https://nearbypermits.com/boston/address/35-fox-st/) | 900 ft W | Electrical | Emergency service repair. wind knocked riser off the dwelling onto the sidewalk. I repaired the service and repowered up the dwelling. The utility line will need to be replaced/reworked the point of attachment was moved slightly. | $1,500 | [E1856171](https://nearbypermits.com/boston/permit/E1856171/) |
| Jun 2, 2026 | [33 Percival St](https://nearbypermits.com/boston/address/33-percival-st/) | 920 ft W | Alteration or repair | sidding repair | $3,500 | [SF1856036](https://nearbypermits.com/boston/permit/SF1856036/) |
| May 28, 2026 | [62 East St](https://nearbypermits.com/boston/address/62-east-st/) | 420 ft NW | Alteration or repair | Demo drywall in third floor bathtub and replace with new shower. Replace bathroom window; new one to be tempered. Inpection for fire stopping and/or insulation. | $18,896 | [SF1848006](https://nearbypermits.com/boston/permit/SF1848006/) |
| May 19, 2026 | [19 Parish St](https://nearbypermits.com/boston/address/19-parish-st/) | 540 ft NW | Alteration or repair | Installation of Fuel Island and Associated Site Work. Demolition of existing structure under SF1835575eplan; | $1,907,000 | [ALT1813378](https://nearbypermits.com/boston/permit/ALT1813378/) |
| May 12, 2026 | [62 East St](https://nearbypermits.com/boston/address/62-east-st/) | 420 ft NW | Plumbing | Convert third floor bathtub to new shower. Replace valve. | $4,000 | [PL1848012](https://nearbypermits.com/boston/permit/PL1848012/) |
| May 11, 2026 | [1350-1358 Dorchester Av](https://nearbypermits.com/boston/address/1350--1358-dorchester-av/) | 840 ft SE | Alteration or repair | Expand dining room to adjoining tenant space. New door to connect new dining to existing. Add accessible bathroom to new space. Add table buss area. New lights and outlets. New horizontal fire separation above ceiling. Fire sprinkler modifications. New floor wall and ceiling finishes. | $173,062 | [ALT1691877](https://nearbypermits.com/boston/permit/ALT1691877/) |
| May 6, 2026 | [5 Fox St](https://nearbypermits.com/boston/address/5-fox-st/) | 550 ft W | Alteration or repair | Update Kitchen and Bathroom. Re plaster all walls and ceiling, replace all interior Wood doors and trim, Refinish hardwood Flooring, Refinish, Front hallway As stairs & flooring, Update cabinets In Kitchen, Tile bathroom Floor. | $140,000 | [SF1846125](https://nearbypermits.com/boston/permit/SF1846125/) |

### Farther (1,000 ft to ¼ mi), 23 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [15 Freeport Wy](https://nearbypermits.com/boston/address/15-freeport-wy/) | 0.22 mi E | Plumbing | New gas for stove | $1,200 | [G1905919](https://nearbypermits.com/boston/permit/G1905919/) |
| Sep 29, 2026 | [1399 Dorchester Av](https://nearbypermits.com/boston/address/1399-dorchester-av/) | 0.21 mi S | Plumbing | install one backflow preventer | $5,000 | [PL1905416](https://nearbypermits.com/boston/permit/PL1905416/) |
| Sep 29, 2026 | [1399 Dorchester Av](https://nearbypermits.com/boston/address/1399-dorchester-av/) | 0.21 mi S | Plumbing | remove and replace oil boiler and replace with a new gas boiler | $5,000 | [G1905414](https://nearbypermits.com/boston/permit/G1905414/) |
| Sep 25, 2026 | [49 Mount Ida Rd](https://nearbypermits.com/boston/address/49-mount-ida-rd/) | 0.22 mi W | Alteration or repair | Existing Kitchen Remodeling Add New in suite laundry | $49,950 | [SF1902871](https://nearbypermits.com/boston/permit/SF1902871/) |
| Sep 16, 2026 | [5-7 Fifield St](https://nearbypermits.com/boston/address/5--7-fifield-st/) | 0.21 mi NW | Plumbing | 2nd floor bathroom renovation Repipe water and drain lines for toilet, sink and shower. Install shower valve with body sprays, shower head and hand held | $5,000 | [PL1901588](https://nearbypermits.com/boston/permit/PL1901588/) |
| Sep 15, 2026 | [20 Potosi St](https://nearbypermits.com/boston/address/20-potosi-st/) | 0.21 mi W | Electrical | 200 Amp service upgrade | $6,000 | [E1900911](https://nearbypermits.com/boston/permit/E1900911/) |
| Sep 14, 2026 | [5-7 Fifield St](https://nearbypermits.com/boston/address/5--7-fifield-st/) | 0.21 mi NW | Electrical | bathroom modification | $500 | [E1900790](https://nearbypermits.com/boston/permit/E1900790/) |
| Aug 26, 2026 | [5-7 Fifield St](https://nearbypermits.com/boston/address/5--7-fifield-st/) | 0.21 mi NW | Alteration or repair | Renovate bathroom, remove tub and install a walk-in shower, new fixtures and accessories, new finishes | $58,500 | [SF1877706](https://nearbypermits.com/boston/permit/SF1877706/) |
| Aug 3, 2026 | [247-251 Hancock St](https://nearbypermits.com/boston/address/247--251-hancock-st/) | 0.19 mi N | Electrical | Cabling and hardware for access control, surveillance camera, and intercom. | $135,000 | [ELV1880931](https://nearbypermits.com/boston/permit/ELV1880931/) |
| Jul 31, 2026 | [1399 Dorchester Av](https://nearbypermits.com/boston/address/1399-dorchester-av/) | 0.21 mi S | Roofing | strip and reroof cost reflected on;SF1875268 | $20,500 | [SF1880504](https://nearbypermits.com/boston/permit/SF1880504/) |
| Jul 21, 2026 | [1391 Dorchester Av](https://nearbypermits.com/boston/address/1391-dorchester-av/) | 0.21 mi S | Roofing | strip and reroof | $41,000 | [SF1875268](https://nearbypermits.com/boston/permit/SF1875268/) |
| Jul 21, 2026 | [105 Draper St](https://nearbypermits.com/boston/address/105-draper-st/) | 0.24 mi SW | Alteration or repair | Complete demolition and debris removal of the existing three-level porches, followed by localized foundation repairs to support a new structure. The contractor will construct a new first-floor porch with a protective rubber roof, install new composite decking and stairs, and set up 6x6 pressure-trea | $21,000 | [SF1872857](https://nearbypermits.com/boston/permit/SF1872857/) |
| Jul 15, 2026 | [155 Homes Av](https://nearbypermits.com/boston/address/155-homes-av/) | 0.23 mi SW | Alteration or repair | Installing Mitsubishi 36K BTU Outdoor Unit, Mitsubishi 6K BTU Indoor Wall Unit, and (3) Mitsubishi 9K BTU Indoor Wall Units. | $26,500 | [SF1868421](https://nearbypermits.com/boston/permit/SF1868421/) |
| Jul 7, 2026 | [247-251 Hancock St](https://nearbypermits.com/boston/address/247--251-hancock-st/) | 0.19 mi N | Electrical | Sub Contractor for Atlantis Comfort Systems. We will be assisting them with running wires and some terminations for the HVAC portion of this project. | $5,000 | [ELV1864482](https://nearbypermits.com/boston/permit/ELV1864482/) |
| Jul 6, 2026 | [155 Homes Av](https://nearbypermits.com/boston/address/155-homes-av/) | 0.23 mi SW | Electrical | installing 2 mini splits | $2,000 | [E1868431](https://nearbypermits.com/boston/permit/E1868431/) |
| Jul 2, 2026 | [85 Draper St](https://nearbypermits.com/boston/address/85-draper-st/) | 0.24 mi SW | Alteration or repair | 3rd floor unit interior. bathroom and kitchen tiling drywall and paint. dining & living new flooring, painting drywall plaster and trim Exterior -damaged rotted trim and and wood shingles. | $25,900 | [SF1868244](https://nearbypermits.com/boston/permit/SF1868244/) |
| Jun 30, 2026 | [1213-1219 Dorchester Av](https://nearbypermits.com/boston/address/1213--1219-dorchester-av/) | 0.24 mi NE | Other | Removed underground parking on ERT944728. | Not listed | [A1728752](https://nearbypermits.com/boston/permit/A1728752/) |
| Jun 25, 2026 | [15 Freeport Wy](https://nearbypermits.com/boston/address/15-freeport-wy/) | 0.22 mi E | Roofing | Refinish roof | $32,000 | [SF1849363](https://nearbypermits.com/boston/permit/SF1849363/) |
| Jun 10, 2026 | [244-250 Hancock St](https://nearbypermits.com/boston/address/244--250-hancock-st/) | 0.22 mi N | Alteration or repair | Amending ERT944720 to change occupancy from 98 units to 84 units. New construction of a 5 story building. Revisions from the previous permit include reducing easternmost building footprint, reconfiguration of interior layouts, removing south garage parking, removing ground floor retail, adjusting el | Not listed | [ALT1742531](https://nearbypermits.com/boston/permit/ALT1742531/) |
| Jun 1, 2026 | [117 Draper St](https://nearbypermits.com/boston/address/117-draper-st/) | 0.24 mi W | Alteration or repair | weatherization work through the mass save program | $9,936 | [SF1856457](https://nearbypermits.com/boston/permit/SF1856457/) |
| May 27, 2026 | [69 Mount Ida Rd](https://nearbypermits.com/boston/address/69-mount-ida-rd/) | 0.22 mi SW | Electrical | Kitchen, bathroom and laundry room renovations. | $4,000 | [E1846755](https://nearbypermits.com/boston/permit/E1846755/) |
| May 8, 2026 | [69 Mount Ida Rd](https://nearbypermits.com/boston/address/69-mount-ida-rd/) | 0.22 mi SW | Plumbing | remodel 2 bathrooms and a kitchen | $10,000 | [PL1846716](https://nearbypermits.com/boston/permit/PL1846716/) |
| May 8, 2026 | [69 Mount Ida Rd](https://nearbypermits.com/boston/address/69-mount-ida-rd/) | 0.22 mi SW | Plumbing | replace oven | $1,000 | [G1846719](https://nearbypermits.com/boston/permit/G1846719/) |

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 15:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 5 permits at this address and 48 nearby: https://nearbypermits.com/boston/address/41-lyon-st/