# Building permits at 631 Lagrange St, Boston, MA Four permits on record here. The newest, Jan 17, 2025: Setting and venting wood insert into existing masonry structure per manufacturers specifications only. Within a quarter mile, the city has issued 51 more permits (48 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jan 17, 2025 | Fence, wall or deck | Setting and venting wood insert into existing masonry structure per manufacturers specifications only. Line flue with stainless steel liner to include all necessary components to vent Stuv wood burning fireplace insert. Install insert including all necessary components into existing masonry firebox | $8,000 | [SF1684084](https://nearbypermits.com/boston/permit/SF1684084/) | | Dec 14, 2020 | Electrical | Provide 240v/50A circuit for portable hot tub in back yard | $975 | [E1145817](https://nearbypermits.com/boston/permit/E1145817/) | | May 6, 2016 | New building | New permeable paver patio in back yard. Approx. 200 SF | $4,000 | [SF587905](https://nearbypermits.com/boston/permit/SF587905/) | | Apr 19, 2016 | Alteration or repair | Install 6' slider at rear of house to yard. | $2,400 | [ALT571754](https://nearbypermits.com/boston/permit/ALT571754/) | ## Within ¼ mi since May 1, 2026 51 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 | |---|---|---|---|---|---|---| | Sep 18, 2026 | [615 Lagrange St](https://nearbypermits.com/boston/address/615-lagrange-st/) | 240 ft SE | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-878223) | $8,000 | [SF1894518](https://nearbypermits.com/boston/permit/SF1894518/) | ### This block (250 to 1,000 ft), 36 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [14 Addington Rd](https://nearbypermits.com/boston/address/14-addington-rd/) | 660 ft N | Addition | Demo existing 1-story, (6.5'x20.1') 3-season sunroom structure. Proposed construction consists of a 1-story, 12' x 22.5' wood frame structure, 2-room addition, supported on reinforced concrete pier footings. One room will be a family room, and the other room will be full bathroom. | $85,000 | [ALT1824218](https://nearbypermits.com/boston/permit/ALT1824218/) | | Sep 23, 2026 | [181 Perham St](https://nearbypermits.com/boston/address/181-perham-st/) | 840 ft SW | Alteration or repair | Remodel kitchen and 2 1/2 bathrooms and add full bathroom Replace windows flooring interior trim and doors board and plaster | $224,730 | [SF1903730](https://nearbypermits.com/boston/permit/SF1903730/) | | Sep 22, 2026 | [23 Bertson Av](https://nearbypermits.com/boston/address/23-bertson-av/) | 410 ft W | Roofing | Strip & re-roof existing shingles/roofing, replace existing ridge vent, ice/water & drip edges, chimney flashing & counter-flashing; | $15,000 | [SF1895971](https://nearbypermits.com/boston/permit/SF1895971/) | | Sep 21, 2026 | [15 Yorktown St](https://nearbypermits.com/boston/address/15-yorktown-st/) | 750 ft SE | Alteration or repair | Strip entire home of wood siding down to substrate Install Grayne siding by Westlake Royal Building Products Remove existing gutters from the entire house Install new aluminum seamless gutters on existing areas Install new downspouts and hardware - Round smooth downspout included | $55,000 | [SF1902090](https://nearbypermits.com/boston/permit/SF1902090/) | | Sep 21, 2026 | [15 Yorktown St](https://nearbypermits.com/boston/address/15-yorktown-st/) | 750 ft SE | Roofing | Remove existing shingle roof on the entire house Install an 8" drip edge on all leading edges Install new GAF Timberline High Definition Architectural shingles Chimney: Re-use lead, ring ice and water ring, new step flashing, install shingles and Geocel joints added | $13,500 | [SF1902084](https://nearbypermits.com/boston/permit/SF1902084/) | | Sep 18, 2026 | [280 Vermont St](https://nearbypermits.com/boston/address/280-vermont-st/) | 480 ft W | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID - 882158) | $4,000 | [SF1895055](https://nearbypermits.com/boston/permit/SF1895055/) | | Sep 18, 2026 | [9 Carroll St](https://nearbypermits.com/boston/address/9-carroll-st/) | 740 ft W | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site id-879179) yr2 | $7,000 | [SF1893899](https://nearbypermits.com/boston/permit/SF1893899/) | | Jul 28, 2026 | [9 Carroll St](https://nearbypermits.com/boston/address/9-carroll-st/) | 740 ft W | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-879179) | $7,000 | [SF1873784](https://nearbypermits.com/boston/permit/SF1873784/) | | Sep 15, 2026 | [131 Dent St](https://nearbypermits.com/boston/address/131-dent-st/) | 850 ft S | Plumbing | * Open the necessary sections of the basement ceiling to access the existing piping. * Remove and replace the sewer branch line serving the second-floor restroom, beginning at the basement ceiling. * Replace the accessible main sewer piping through the basement, continuing to just before the foundat | $8,000 | [PL1901297](https://nearbypermits.com/boston/permit/PL1901297/) | | Sep 4, 2026 | [563 Lagrange St](https://nearbypermits.com/boston/address/563-lagrange-st/) | 790 ft SE | Electrical | 50 amp Hard Wired EV Charger / Replace Outside Motion Flood Light / Replace Closet Light | $2,519 | [E1897024](https://nearbypermits.com/boston/permit/E1897024/) | | Sep 2, 2026 | [15 Bertson Av](https://nearbypermits.com/boston/address/15-bertson-av/) | 260 ft W | Alteration or repair | Insulate Walls | $2,754 | [SF1894786](https://nearbypermits.com/boston/permit/SF1894786/) | | Sep 2, 2026 | [95 Grayfield Av](https://nearbypermits.com/boston/address/95-grayfield-av/) | 630 ft NE | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-885111) | $8,000 | [SF1893900](https://nearbypermits.com/boston/permit/SF1893900/) | | Sep 1, 2026 | [675 Lagrange St](https://nearbypermits.com/boston/address/675-lagrange-st/) | 710 ft NW | Alteration or repair | install 18 harvey replacement windows. Energy star, inserts only with no structural work | $20,560 | [SF1886118](https://nearbypermits.com/boston/permit/SF1886118/) | | Aug 21, 2026 | [34 Addington Rd](https://nearbypermits.com/boston/address/34-addington-rd/) | 990 ft N | Plumbing | replacement of a range | $200 | [G1863478](https://nearbypermits.com/boston/permit/G1863478/) | | Aug 20, 2026 | [266 Vermont St](https://nearbypermits.com/boston/address/266-vermont-st/) | 310 ft W | Roofing | Strip roof. Install ice and water shield and synthetic underlayer. Install GAF Architect Type Roofing Shingles. | $13,050 | [SF1889517](https://nearbypermits.com/boston/permit/SF1889517/) | | Aug 11, 2026 | [644 Lagrange St](https://nearbypermits.com/boston/address/644-lagrange-st/) | 260 ft NW | Alteration or repair | Fixing threshold on back of house | Not listed | [SF1886479](https://nearbypermits.com/boston/permit/SF1886479/) | | Aug 10, 2026 | [14 Thurlow St](https://nearbypermits.com/boston/address/14-thurlow-st/) | 690 ft S | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID-877984) | $2,000 | [SF1878206](https://nearbypermits.com/boston/permit/SF1878206/) | | Aug 7, 2026 | [46 Potomac St](https://nearbypermits.com/boston/address/46-potomac-st/) | 460 ft SE | Roofing | Full Re-Roof, Comp Shingle, No Structural Work. | $8,879 | [SF1869413](https://nearbypermits.com/boston/permit/SF1869413/) | | Aug 6, 2026 | [644 Lagrange St](https://nearbypermits.com/boston/address/644-lagrange-st/) | 260 ft NW | Alteration or repair | Fixing the wood on the outside of the house due to damage from tree branch; | Not listed | [SF1883569](https://nearbypermits.com/boston/permit/SF1883569/) | | Aug 5, 2026 | [46 Potomac St](https://nearbypermits.com/boston/address/46-potomac-st/) | 460 ft SE | Solar | Installation of solar panels on existing residential roof. 7.92 kW. Addition of 1 0-60A circuits. 18 panels. | $57,106 | [SF1874811](https://nearbypermits.com/boston/permit/SF1874811/) | | Jul 23, 2026 | [46 Potomac St](https://nearbypermits.com/boston/address/46-potomac-st/) | 460 ft SE | Solar | Installation of solar panels on existing residential roof. 7.92 kW. Addition of 1 0-60A circuits. 18 panels. | $28,553 | [E1874817](https://nearbypermits.com/boston/permit/E1874817/) | | Aug 5, 2026 | [138 Mount Vernon St](https://nearbypermits.com/boston/address/138-mount-vernon-st/) | 760 ft E | Electrical | Install power to and, install outlet and fixture in detached garage. | $750 | [E1882035](https://nearbypermits.com/boston/permit/E1882035/) | | Jul 29, 2026 | [156 Mount Vernon St](https://nearbypermits.com/boston/address/156-mount-vernon-st/) | 570 ft E | Plumbing | Gas test for a locked meter | $1,000 | [G1877104](https://nearbypermits.com/boston/permit/G1877104/) | | Jul 20, 2026 | [19 Sherbrook St](https://nearbypermits.com/boston/address/19-sherbrook-st/) | 800 ft S | Alteration or repair | Replace Existing Deck. No change to dimensions. | $25,000 | [SF1862124](https://nearbypermits.com/boston/permit/SF1862124/) | | Jul 14, 2026 | [12 Crest St](https://nearbypermits.com/boston/address/12-crest-st/) | 810 ft E | Electrical | Leviton load center malfunctioned replace with new ABB load center with Generator back feeder | $5,000 | [E1872517](https://nearbypermits.com/boston/permit/E1872517/) | | Jul 13, 2026 | [280 Vermont St](https://nearbypermits.com/boston/address/280-vermont-st/) | 480 ft W | Electrical | Mini split wiring (3 Ton), Electric water heater | $1,600 | [E1867364](https://nearbypermits.com/boston/permit/E1867364/) | | Jul 9, 2026 | [18 Addington Rd](https://nearbypermits.com/boston/address/18-addington-rd/) | 770 ft N | Fence, wall or deck | Remove and replace 5 windows, 1 patio door; like for like size; no structural changes | $22,439 | [SF1865240](https://nearbypermits.com/boston/permit/SF1865240/) | | Jul 8, 2026 | [15 Sherbrook St](https://nearbypermits.com/boston/address/15-sherbrook-st/) | 770 ft S | Electrical | Updating the Existing Solar Mods and Inverter Old - 16 Trina 245PA05 Inverter PVI 3.6-OUTD New - 16 Trina 275PD05.05 (1) Delta E4_BDI // RPI402EBDI0T2-E. Apsmart rsd-s-plc | $5,000 | [E1850211](https://nearbypermits.com/boston/permit/E1850211/) | | Jul 7, 2026 | [18 Carroll St](https://nearbypermits.com/boston/address/18-carroll-st/) | 920 ft W | Electrical | Wire a 10KW mini split system. | $1,200 | [E1869299](https://nearbypermits.com/boston/permit/E1869299/) | | Jul 3, 2026 | [18 Carroll St](https://nearbypermits.com/boston/address/18-carroll-st/) | 920 ft W | Mechanical (HVAC) | Install Custom Comfort, Extreme Heat, 6 Zone Mini Split System. 55k Heat Pump/Condenser at Ground Level in the Rear of the House, 12k Wall Mounted Unit, Living Room, Two 9k, Wall Mounted Units for Kitchen and Laundry Area in Basement, Two 6k Wall Mounted Units for 2 Offices. | $23,000 | [SF1864950](https://nearbypermits.com/boston/permit/SF1864950/) | | Jun 29, 2026 | [280 Vermont St](https://nearbypermits.com/boston/address/280-vermont-st/) | 480 ft W | Plumbing | Replace Water Heater | $500 | [PL1865267](https://nearbypermits.com/boston/permit/PL1865267/) | | May 20, 2026 | [683 Lagrange St](https://nearbypermits.com/boston/address/683-lagrange-st/) | 820 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 6.56 kw 16 panels with installation of 1 franklin battery installed on exterior of home | $61,200 | [SF1841528](https://nearbypermits.com/boston/permit/SF1841528/) | | May 20, 2026 | [683 Lagrange St](https://nearbypermits.com/boston/address/683-lagrange-st/) | 820 ft NW | Solar | Installation of roof mounted photovoltaic solar systems, 6.56 kw 16 panels with installation of 1 franklin battery installed on exterior of home | $61,200 | [E1841530](https://nearbypermits.com/boston/permit/E1841530/) | | May 12, 2026 | [138 Mount Vernon St](https://nearbypermits.com/boston/address/138-mount-vernon-st/) | 760 ft E | Electrical | replacing heat pump system equipment (outdoor & indoor) | $1,200 | [E1847112](https://nearbypermits.com/boston/permit/E1847112/) | | May 8, 2026 | [30 Bertson Av](https://nearbypermits.com/boston/address/30-bertson-av/) | 450 ft SW | Alteration or repair | Installation of (2) Sliding Patio Doors | $16,082 | [SF1843528](https://nearbypermits.com/boston/permit/SF1843528/) | | May 4, 2026 | [15 Bertson Av](https://nearbypermits.com/boston/address/15-bertson-av/) | 260 ft W | Addition | Build a two story addition on the rear of the house and renovate the kitchen. | $200,000 | [ALT1788610](https://nearbypermits.com/boston/permit/ALT1788610/) | ### Farther (1,000 ft to ¼ mi), 14 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [31 Houston St](https://nearbypermits.com/boston/address/31-houston-st/) | 0.22 mi NE | Plumbing | replacing gas water heater | $3,000 | [G1905505](https://nearbypermits.com/boston/permit/G1905505/) | | Sep 4, 2026 | [12 Chellman St](https://nearbypermits.com/boston/address/12-chellman-st/) | 0.23 mi N | Electrical | Replace/relocate existing receptacles and kitchen wiring. Install new 20A circuits and receptacles on 1st/2nd floors. Provide AFCI/GFCI protection as required. Replace basement receptacles. Remove exterior conduit/fixtures and install new exterior bulkhead fixture. | $5,000 | [E1897626](https://nearbypermits.com/boston/permit/E1897626/) | | Sep 3, 2026 | [59 Sherbrook St](https://nearbypermits.com/boston/address/59-sherbrook-st/) | 0.24 mi S | Other | Installation of a Mitsubishi 12,000 BTU wall mounted ductless unit. Installation of a Mitsubishi 6,000 BTU wall-mounted ductless unit. | $6,897 | [SF1880094](https://nearbypermits.com/boston/permit/SF1880094/) | | Aug 13, 2026 | [116 Mount Vernon St](https://nearbypermits.com/boston/address/116-mount-vernon-st/) | 0.19 mi SE | Electrical | Installation of a 120v smoke circuit | $3,000 | [E1887295](https://nearbypermits.com/boston/permit/E1887295/) | | Aug 6, 2026 | [59 Sherbrook St](https://nearbypermits.com/boston/address/59-sherbrook-st/) | 0.24 mi S | Electrical | Installation of a new high voltage electrical for (1) system. Includes: - New disconnect with surge protector built-in - New GFCI - New dedicated circuit - New wiring for the HVAC system | $1,050 | [E1880095](https://nearbypermits.com/boston/permit/E1880095/) | | Aug 4, 2026 | [31 Houston St](https://nearbypermits.com/boston/address/31-houston-st/) | 0.22 mi NE | Plumbing | relocating washing machine to second floor | $6,000 | [PL1881699](https://nearbypermits.com/boston/permit/PL1881699/) | | Jul 14, 2026 | [711 Lagrange St](https://nearbypermits.com/boston/address/711-lagrange-st/) | 0.20 mi NW | Electrical | 200A service upgrade; full outlet/switch/fixture replacements; basement lighting + new AFCI circuit; new dryer, sump pump, living room and wood room lighting circuits; 2nd-floor bath fan + circuit; permit filing included. | $16,000 | [E1871160](https://nearbypermits.com/boston/permit/E1871160/) | | Jul 14, 2026 | [18 Pender St](https://nearbypermits.com/boston/address/18-pender-st/) | 0.21 mi S | Alteration or repair | remove old deck and stairs build new deck and stairs | $7,500 | [ALT1871976](https://nearbypermits.com/boston/permit/ALT1871976/) | | Jun 15, 2026 | [228 Temple St](https://nearbypermits.com/boston/address/228-temple-st/) | 0.24 mi SW | Electrical | New 200 amp service panel is getting upgraded. Installing a 200 amp meter main on the outside of the building Coming up through the roof and the point of attachment is staying the same Installing new ground rods and new water ground | $10,000 | [E1860314](https://nearbypermits.com/boston/permit/E1860314/) | | Jun 11, 2026 | [527-529 Lagrange St](https://nearbypermits.com/boston/address/527--529-lagrange-st/) | 0.24 mi SE | Alteration or repair | KITCHEN REMODEL - Demo, Plumbing, Electrical, Carpentry, Flooring, Tile BATHROOM REMODEL - Demo, Plumbing, Electrical, Carpentry, Plastering, Tile | $65,000 | [SF1856541](https://nearbypermits.com/boston/permit/SF1856541/) | | Jun 8, 2026 | [527-529 Lagrange St](https://nearbypermits.com/boston/address/527--529-lagrange-st/) | 0.24 mi SE | Plumbing | 1st floor kitchen and half bath renovation. | $4,000 | [PL1858690](https://nearbypermits.com/boston/permit/PL1858690/) | | Jun 8, 2026 | [527-529 Lagrange St](https://nearbypermits.com/boston/address/527--529-lagrange-st/) | 0.24 mi SE | Plumbing | 1st floor kitchen renovation. New gas range. | $500 | [G1858695](https://nearbypermits.com/boston/permit/G1858695/) | | Jun 2, 2026 | [116 Mount Vernon St](https://nearbypermits.com/boston/address/116-mount-vernon-st/) | 0.19 mi SE | Electrical | new construction addition | $20,000 | [E1856667](https://nearbypermits.com/boston/permit/E1856667/) | | Jun 2, 2026 | [527-529 Lagrange St](https://nearbypermits.com/boston/address/527--529-lagrange-st/) | 0.24 mi SE | Electrical | Kitchen remodel | $2,500 | [E1856271](https://nearbypermits.com/boston/permit/E1856271/) | ## More on this street Other addresses on Lagrange St with permits, nearest house number first: - [633 Lagrange St](https://nearbypermits.com/boston/address/633-lagrange-st/): newest permit Nov 25, 2025 - [644 Lagrange St](https://nearbypermits.com/boston/address/644-lagrange-st/): newest permit Aug 11, 2026 - [615 Lagrange St](https://nearbypermits.com/boston/address/615-lagrange-st/): newest permit Sep 18, 2026 - [656 Lagrange St](https://nearbypermits.com/boston/address/656-lagrange-st/): newest permit Nov 6, 2025 - [675 Lagrange St](https://nearbypermits.com/boston/address/675-lagrange-st/): newest permit Sep 1, 2026 - [584-586 Lagrange St](https://nearbypermits.com/boston/address/584--586-lagrange-st/): newest permit Mar 12, 2025 - [683 Lagrange St](https://nearbypermits.com/boston/address/683-lagrange-st/): newest permit May 20, 2026 - [688 Lagrange St](https://nearbypermits.com/boston/address/688-lagrange-st/): newest permit Jul 22, 2025 - [563 Lagrange St](https://nearbypermits.com/boston/address/563-lagrange-st/): newest permit Sep 4, 2026 - [560 Lagrange St](https://nearbypermits.com/boston/address/560-lagrange-st/): newest permit Apr 13, 2026 --- Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 08:39 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 4 permits at this address and 51 nearby: https://nearbypermits.com/boston/address/631-lagrange-st/