# Building permits at 3 Mendum St, Boston, MA

Five permits on record here. The newest, Aug 26, 2025: Remove and remount of electrical fixtures for siding project. Within a quarter mile, the city has issued 54 more permits (51 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 26, 2025 | Alteration or repair | Remove and remount of electrical fixtures for siding project | $1,200 | [E1762726](https://nearbypermits.com/boston/permit/E1762726/) |
| Aug 26, 2025 | Alteration or repair | Remove and remount exterior fixtures for siding project | $1,200 | [E1760942](https://nearbypermits.com/boston/permit/E1760942/) |
| Jul 16, 2025 | Alteration or repair | strip one layer vinyl siding replace 29 sq composite siding | $70,814 | [SF1745191](https://nearbypermits.com/boston/permit/SF1745191/) |
| May 28, 2024 | Plumbing | water heater | $700 | [PL1603045](https://nearbypermits.com/boston/permit/PL1603045/) |
| May 28, 2024 | Plumbing | water heater | $500 | [G1603043](https://nearbypermits.com/boston/permit/G1603043/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 38 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [22-24 Arborough Rd](https://nearbypermits.com/boston/address/22--24-arborough-rd/) | 520 ft S | Roofing | Replace the asphalt roof on home. | $19,500 | [SF1905779](https://nearbypermits.com/boston/permit/SF1905779/) |
| Sep 25, 2026 | [13 Ashfield St](https://nearbypermits.com/boston/address/13-ashfield-st/) | 730 ft SW | Electrical | Replace blocks in meter for Eversource AMI project | $2,000 | [E1891404](https://nearbypermits.com/boston/permit/E1891404/) |
| Sep 14, 2026 | [99 Walter St](https://nearbypermits.com/boston/address/99-walter-st/) | 780 ft W | Alteration or repair | Interior renovation of an existing one-family dwelling garage to change its use from a parking garage to an art studio, as shown on the plans. | $107,000 | [ALT1844025](https://nearbypermits.com/boston/permit/ALT1844025/) |
| Sep 4, 2026 | [125 Walter St](https://nearbypermits.com/boston/address/125-walter-st/) | 720 ft NW | Demolition | replace decking and rails on front porch | $15,000 | [SF1897761](https://nearbypermits.com/boston/permit/SF1897761/) |
| Sep 1, 2026 | [22 Conway St](https://nearbypermits.com/boston/address/22-conway-st/) | 930 ft SW | Alteration or repair | insulating the kneewall slope with 2" rigid board also insulating the kneewall floor with 12" of cellulose and air sealing | $957 | [SF1889613](https://nearbypermits.com/boston/permit/SF1889613/) |
| Sep 1, 2026 | [40 Arborough Rd](https://nearbypermits.com/boston/address/40-arborough-rd/) | 350 ft S | Alteration or repair | Mass save insulation | $6,579 | [SF1889575](https://nearbypermits.com/boston/permit/SF1889575/) |
| Sep 1, 2026 | [32 Arborough Rd](https://nearbypermits.com/boston/address/32-arborough-rd/) | 420 ft S | Alteration or repair | Demo decking and rotted framing, replace where needed. Possibly add new footing if not proper. Replace decking rails with cable rail Replace decking | $40,425 | [SF1885909](https://nearbypermits.com/boston/permit/SF1885909/) |
| Aug 27, 2026 | [15 Ashfield St](https://nearbypermits.com/boston/address/15-ashfield-st/) | 750 ft SW | Electrical | Wire a new dormer | $9,500 | [E1895005](https://nearbypermits.com/boston/permit/E1895005/) |
| Aug 27, 2026 | [22 Conway St](https://nearbypermits.com/boston/address/22-conway-st/) | 930 ft SW | Solar | Installation of (12) roof mounted solar panels and microinverters with 5.280 kWDC rated output. No ESS. | $11,000 | [ALT1883203](https://nearbypermits.com/boston/permit/ALT1883203/) |
| Aug 6, 2026 | [22 Conway St](https://nearbypermits.com/boston/address/22-conway-st/) | 930 ft SW | Solar | Installation of (12) roof mounted solar panels and microinverters with 5.280 kWDC rated output. No ESS. | $7,000 | [E1883207](https://nearbypermits.com/boston/permit/E1883207/) |
| Aug 21, 2026 | [4113 Washington St](https://nearbypermits.com/boston/address/4113-washington-st/) | 1,000 ft SE | Electrical | 3 floors: 39 outlets (13/fl), 6 AFCI circuits (2/fl), 6 GFCI/AFCI bath (2/fl), 6 AFCI/GFCI kitchen (2/fl), 3 panels relocated. Alarms: 6 combo, 12 smoke, 6 smokes in stairways, 1 bsmt combo. det. 5 Bsmt lighting/switching. 1 porch light. | $32,000 | [E1887196](https://nearbypermits.com/boston/permit/E1887196/) |
| Aug 10, 2026 | [49 Fairview St](https://nearbypermits.com/boston/address/49-fairview-st/) | 300 ft S | Plumbing | gas stove on 3rd floor | $350 | [G1882971](https://nearbypermits.com/boston/permit/G1882971/) |
| Aug 9, 2026 | [12 Primrose St](https://nearbypermits.com/boston/address/12-primrose-st/) | 610 ft SW | Electrical | Upgrade service to 200 Amps per unit | $7,500 | [E1882556](https://nearbypermits.com/boston/permit/E1882556/) |
| Aug 6, 2026 | [109 Walter St](https://nearbypermits.com/boston/address/109-walter-st/) | 680 ft W | Alteration or repair | insulate kneewall slope and gable end wall with fiberglass and 2": thermal barrier board insulate attic slope with cellulose insulation install bath fan hose | $4,107 | [SF1880353](https://nearbypermits.com/boston/permit/SF1880353/) |
| Aug 3, 2026 | [655-657 South St](https://nearbypermits.com/boston/address/655--657-south-st/) | 790 ft SE | Electrical | Tesla powerwall 3 1707000-21 battery installation. | $18,500 | [E1880155](https://nearbypermits.com/boston/permit/E1880155/) |
| Jul 22, 2026 | [10 Ashfield St](https://nearbypermits.com/boston/address/10-ashfield-st/) | 830 ft SW | Fence, wall or deck | Back Deck Renovation: remove railing, balusters, wood floor. Replace 4x4 poles that necessary.cover support system. Instal new AZEK floor, cover 4x4 posts. Install universal rail KIt | $23,000 | [SF1870584](https://nearbypermits.com/boston/permit/SF1870584/) |
| Jul 21, 2026 | [16 Ashfield St](https://nearbypermits.com/boston/address/16-ashfield-st/) | 860 ft SW | Alteration or repair | Weatherization, Insulation, Air Sealing | $7,100 | [SF1862724](https://nearbypermits.com/boston/permit/SF1862724/) |
| Jul 20, 2026 | [28 Primrose St](https://nearbypermits.com/boston/address/28-primrose-st/) | 720 ft W | Alteration or repair | Insulation work as part of the MASS Save program. We are only doing unit 2 | $6,000 | [SF1864438](https://nearbypermits.com/boston/permit/SF1864438/) |
| Jul 20, 2026 | [29 Conway St](https://nearbypermits.com/boston/address/29-conway-st/) | 820 ft SW | Plumbing | Install 40 gal gas water heater in unit 2 | $500 | [PL1871323](https://nearbypermits.com/boston/permit/PL1871323/) |
| Jul 20, 2026 | [29 Conway St](https://nearbypermits.com/boston/address/29-conway-st/) | 820 ft SW | Plumbing | Install 40 gal gas water heater in unit 2 | $500 | [G1871319](https://nearbypermits.com/boston/permit/G1871319/) |
| Jul 17, 2026 | [669 South St](https://nearbypermits.com/boston/address/669-south-st/) | 880 ft SE | Fence, wall or deck | Emergency repair and replacement of existing retaining wall. | $80,000 | [SF1858327](https://nearbypermits.com/boston/permit/SF1858327/) |
| Jul 13, 2026 | [640 South St](https://nearbypermits.com/boston/address/640-south-st/) | 900 ft E | Alteration or repair | Remodel of kitchen and bath | $40,000 | [SF1871326](https://nearbypermits.com/boston/permit/SF1871326/) |
| Jul 7, 2026 | [20 Cotton St](https://nearbypermits.com/boston/address/20-cotton-st/) | 410 ft W | Addition | 342 Sf single story addition off the back of the existing home. New footings, framing, windows, doors, electrical & HVAC is proposed. As well as a partial renovation to the existing half bath to a full bath next to the addition. | $152,000 | [ALT1734282](https://nearbypermits.com/boston/permit/ALT1734282/) |
| Jul 2, 2026 | [51 Cotton St](https://nearbypermits.com/boston/address/51-cotton-st/) | 640 ft W | Fence, wall or deck | Remove & replace 1 patio door; 1 entry door; like for like size; no structural changes | $15,096 | [SF1862509](https://nearbypermits.com/boston/permit/SF1862509/) |
| Jun 23, 2026 | [15 Ashfield St](https://nearbypermits.com/boston/address/15-ashfield-st/) | 750 ft SW | Alteration or repair | Confirm occupancy of single family &; Construct a shed style dormer with interior finishes.; | $229,438 | [ALT1832903](https://nearbypermits.com/boston/permit/ALT1832903/) |
| Jun 8, 2026 | [41 Fairview St](https://nearbypermits.com/boston/address/41-fairview-st/) | 440 ft SW | Solar | Remove pre-existent solar array for roof replacement. 20 panels total. Reinstall solar on roof. | $6,000 | [SF1856572](https://nearbypermits.com/boston/permit/SF1856572/) |
| Jun 8, 2026 | [41 Fairview St](https://nearbypermits.com/boston/address/41-fairview-st/) | 440 ft SW | Solar | Remove pre-existent solar array for roof replacement. 20 panels total. Reinstall solar on roof. | $6,000 | [E1856576](https://nearbypermits.com/boston/permit/E1856576/) |
| Jun 8, 2026 | [41 Fairview St](https://nearbypermits.com/boston/address/41-fairview-st/) | 440 ft SW | Roofing | Asphalt shingles replacement on the entire house. | $25,199 | [SF1850286](https://nearbypermits.com/boston/permit/SF1850286/) |
| May 29, 2026 | [21 Mendum St](https://nearbypermits.com/boston/address/21-mendum-st/) | 320 ft NW | Alteration or repair | Per Pat Curran's instructions, this is a permit to replace existing siding with Hardie plank, install new window trim, corner boards and water table and paint the house. | $91,207 | [SF1850763](https://nearbypermits.com/boston/permit/SF1850763/) |
| May 27, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 830 ft W | Alteration or repair | Air sealing, Insulation, Weatherization | $13,413 | [SF1849769](https://nearbypermits.com/boston/permit/SF1849769/) |
| May 27, 2026 | [34 Mendum St](https://nearbypermits.com/boston/address/34-mendum-st/) | 470 ft NW | Alteration or repair | Remove and replace 1 window; like for like size; no structural changes | $8,309 | [SF1847234](https://nearbypermits.com/boston/permit/SF1847234/) |
| May 22, 2026 | [104 Walter St](https://nearbypermits.com/boston/address/104-walter-st/) | 880 ft W | Solar | Installation of (12) 440w roof top solar modules and associated electrical work. | $25,329 | [SF1842764](https://nearbypermits.com/boston/permit/SF1842764/) |
| May 19, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 830 ft W | Mechanical (HVAC) | - Installation of 3.5 ton ductless heat pump system to serve the home | $31,913 | [SF1846309](https://nearbypermits.com/boston/permit/SF1846309/) |
| May 19, 2026 | [32-34 Fairview St](https://nearbypermits.com/boston/address/32--34-fairview-st/) | 630 ft SW | Alteration or repair | Bathroom Renovation: No change to plumbing location, and no removal or relocation of walls. Removing horsehair wall covering and replacing it with sheetrock. Replacing tub, tub surround, showerhead, exhaust fan, vanity, and toilet with new fixtures. Adding a heated tiled floor. | $20,000 | [SF1842620](https://nearbypermits.com/boston/permit/SF1842620/) |
| May 13, 2026 | [26 Fairview St](https://nearbypermits.com/boston/address/26-fairview-st/) | 820 ft SW | Roofing | Remove existing asphalt shingles and install new asphalt shingles, underlayment, flashing, and proper ventilation. Owens Corning | $18,775 | [SF1843645](https://nearbypermits.com/boston/permit/SF1843645/) |
| May 11, 2026 | [32-34 Fairview St](https://nearbypermits.com/boston/address/32--34-fairview-st/) | 630 ft SW | Plumbing | Replace toilet, bathtub, and sink on 2nd floor | $4,500 | [PL1847406](https://nearbypermits.com/boston/permit/PL1847406/) |
| May 7, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 830 ft W | Electrical | - Service upgrade 100A to 200A - Wiring of 1 heat pump condenser - GFCI outlet | $6,950 | [E1846310](https://nearbypermits.com/boston/permit/E1846310/) |
| May 1, 2026 | [634 South St](https://nearbypermits.com/boston/address/634-south-st/) | 950 ft E | Plumbing | Renovation of a 2-1/2 bath one kitchen and laundry. | $25,000 | [PL1840360](https://nearbypermits.com/boston/permit/PL1840360/) |

### Farther (1,000 ft to ¼ mi), 16 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [601 South St](https://nearbypermits.com/boston/address/601-south-st/) | 0.23 mi E | Electrical | Upgrade service 100-200A. & car charger | $6,000 | [E1905048](https://nearbypermits.com/boston/permit/E1905048/) |
| Sep 25, 2026 | [4093 Washington St](https://nearbypermits.com/boston/address/4093-washington-st/) | 0.20 mi E | Alteration or repair | insulating exterior walls using cellulose R15. insulating and air sealing attic, adding cellulose to bring R value to R49. | $15,427 | [SF1902880](https://nearbypermits.com/boston/permit/SF1902880/) |
| Sep 22, 2026 | [8 Granfield Av](https://nearbypermits.com/boston/address/8-granfield-av/) | 0.24 mi E | Alteration or repair | The project involves the modification and renovation of the attic to accommodate a new two bedroom unit and to extend the stair currently terminating at the 2nd floor. | $150,000 | [ALT1703016](https://nearbypermits.com/boston/permit/ALT1703016/) |
| Sep 16, 2026 | [20 Tafthill Pk](https://nearbypermits.com/boston/address/20-tafthill-pk/) | 0.23 mi S | Electrical | Add 4 outlets, replace lighting | $3,000 | [E1901272](https://nearbypermits.com/boston/permit/E1901272/) |
| Sep 14, 2026 | [20 Tafthill Pk](https://nearbypermits.com/boston/address/20-tafthill-pk/) | 0.23 mi S | Plumbing | Kitchen & Bathroom remodel | $6,000 | [PL1900403](https://nearbypermits.com/boston/permit/PL1900403/) |
| Sep 8, 2026 | [4093 Washington St](https://nearbypermits.com/boston/address/4093-washington-st/) | 0.20 mi E | Plumbing | changing placement of existing kitchenette sink on third floor unit. installing new laundry hook up for washer and dryer stackable. three inch stack runs along chase all the way to third floor for easy drainage. vent will go through roof or tie into existing vent. | $4,500 | [PL1899309](https://nearbypermits.com/boston/permit/PL1899309/) |
| Sep 8, 2026 | [57 Walter St](https://nearbypermits.com/boston/address/57-walter-st/) | 0.24 mi W | Alteration or repair | confirm occupancy of existing single family | Not listed | [ALT1880633](https://nearbypermits.com/boston/permit/ALT1880633/) |
| Sep 3, 2026 | [20 Tafthill Pk](https://nearbypermits.com/boston/address/20-tafthill-pk/) | 0.23 mi S | Alteration or repair | Remodel Kitchen and Bathroom per build plans attached. | $185,515 | [SF1882955](https://nearbypermits.com/boston/permit/SF1882955/) |
| Sep 1, 2026 | [18 Basto Te](https://nearbypermits.com/boston/address/18-basto-te/) | 0.23 mi SW | Alteration or repair | Insulation work as part of the MASS Save program. | $3,000 | [SF1895105](https://nearbypermits.com/boston/permit/SF1895105/) |
| Aug 26, 2026 | [14 Symmes St](https://nearbypermits.com/boston/address/14-symmes-st/) | 0.20 mi SW | Alteration or repair | Change of Occupancy from a single family with ADU to 2 family | $1,000 | [ALT1885542](https://nearbypermits.com/boston/permit/ALT1885542/) |
| Aug 25, 2026 | [57 Walter St](https://nearbypermits.com/boston/address/57-walter-st/) | 0.24 mi W | Roofing | Pending;ALT1880633 Occupancy Committee.strip and install a new roof | $23,045 | [SF1879588](https://nearbypermits.com/boston/permit/SF1879588/) |
| Aug 24, 2026 | [4160-4164 Washington St](https://nearbypermits.com/boston/address/4160--4164-washington-st/) | 0.24 mi S | Electrical | install 16 Security Camera IP and install Itercom system | $3,500 | [ELV1891765](https://nearbypermits.com/boston/permit/ELV1891765/) |
| Aug 6, 2026 | [10 Symmes St](https://nearbypermits.com/boston/address/10-symmes-st/) | 0.20 mi SW | Roofing | Remove existing cupola and replace roofing underneath. | $2,499 | [SF1880912](https://nearbypermits.com/boston/permit/SF1880912/) |
| Jun 8, 2026 | [11 Basto Te](https://nearbypermits.com/boston/address/11-basto-te/) | 0.24 mi SW | Alteration or repair | Front porch renovation, install new floor, new door, new porch ceiling, remove old rubber roof, install new rubber roof, painting inside and outside. | $22,500 | [SF1858523](https://nearbypermits.com/boston/permit/SF1858523/) |
| Jun 3, 2026 | [4165 Washington St](https://nearbypermits.com/boston/address/4165-washington-st/) | 0.22 mi S | Electrical | Install 1x Receptacle for a Price Checker MAC Station inside of Target Store. | $2,000 | [E1857306](https://nearbypermits.com/boston/permit/E1857306/) |
| May 18, 2026 | [617 South St](https://nearbypermits.com/boston/address/617-south-st/) | 0.19 mi E | Plumbing | water heater replacement | $2,000 | [PL1849976](https://nearbypermits.com/boston/permit/PL1849976/) |

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 14:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 5 permits at this address and 54 nearby: https://nearbypermits.com/boston/address/3-mendum-st/