# Building permits at 26 Mendum St, Boston, MA

10 permits on record here. The newest, Apr 17: Replace existing side porch. Within a quarter mile, the city has issued 57 more permits (54 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Apr 17, 2026 | Alteration or repair | Replace existing side porch. | $21,635 | [SF1840522](https://nearbypermits.com/boston/permit/SF1840522/) |
| Jan 28, 2022 | Roofing | Strip and reroof entire house and install certainteed asphalt shingles in accordance with state and local codes | $8,750 | [SF1285747](https://nearbypermits.com/boston/permit/SF1285747/) |
| Sep 24, 2019 | Alteration or repair | strip and install vinyl siding | $11,900 | [SF1001803](https://nearbypermits.com/boston/permit/SF1001803/) |
| Aug 15, 2019 | Electrical | Add a Circuit for future electric baseboard heat, add a pendant light, add a circuit for new mudroom addition, add outside wall Sconce, add 2-3way switches, add outside outlet, and detach and re-attach electrical service | $2,700 | [E989498](https://nearbypermits.com/boston/permit/E989498/) |
| Jun 10, 2019 | Addition | Addition mudroom, with front and side windows, re-side front of house, reoriented stair and railing, wood trim, lattice. and painting | $85,361 | [ALT952547](https://nearbypermits.com/boston/permit/ALT952547/) |
| Sep 21, 2016 | Plumbing | water piping for new boiler | $1,000 | [PL628668](https://nearbypermits.com/boston/permit/PL628668/) |
| Sep 21, 2016 | Plumbing | gas piping for new boiler | $1,000 | [G628669](https://nearbypermits.com/boston/permit/G628669/) |
| Mar 3, 2014 | Plumbing | furnish + install new water heater | $1,070 | [PL323179](https://nearbypermits.com/boston/permit/PL323179/) |
| Mar 3, 2014 | Plumbing | furnish + install new water heater | $1,070 | [G323176](https://nearbypermits.com/boston/permit/G323176/) |
| May 21, 2013 | Alteration or repair | Install a 1st floor deck and railing off the rear of the house. No stairs to grade. Provide;a new opening from the house to the deck and install an exterior door. | $15,965 | [ALT237487](https://nearbypermits.com/boston/permit/ALT237487/) |

## Within ¼ mi since May 1, 2026

57 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 |
|---|---|---|---|---|---|---|
| May 29, 2026 | [21 Mendum St](https://nearbypermits.com/boston/address/21-mendum-st/) | 140 ft NE | 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 | [34 Mendum St](https://nearbypermits.com/boston/address/34-mendum-st/) | 100 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/) |

### This block (250 to 1,000 ft), 30 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [22-24 Arborough Rd](https://nearbypermits.com/boston/address/22--24-arborough-rd/) | 720 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/) | 640 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/) | 460 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/) | 350 ft NW | Demolition | replace decking and rails on front porch | $15,000 | [SF1897761](https://nearbypermits.com/boston/permit/SF1897761/) |
| Sep 1, 2026 | [40 Arborough Rd](https://nearbypermits.com/boston/address/40-arborough-rd/) | 640 ft SE | 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/) | 670 ft SE | 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/) | 620 ft SW | Electrical | Wire a new dormer | $9,500 | [E1895005](https://nearbypermits.com/boston/permit/E1895005/) |
| Aug 26, 2026 | [14 Symmes St](https://nearbypermits.com/boston/address/14-symmes-st/) | 980 ft 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 10, 2026 | [49 Fairview St](https://nearbypermits.com/boston/address/49-fairview-st/) | 520 ft SE | 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/) | 530 ft S | Electrical | Upgrade service to 200 Amps per unit | $7,500 | [E1882556](https://nearbypermits.com/boston/permit/E1882556/) |
| Aug 6, 2026 | [10 Symmes St](https://nearbypermits.com/boston/address/10-symmes-st/) | 990 ft SW | Roofing | Remove existing cupola and replace roofing underneath. | $2,499 | [SF1880912](https://nearbypermits.com/boston/permit/SF1880912/) |
| Aug 6, 2026 | [109 Walter St](https://nearbypermits.com/boston/address/109-walter-st/) | 330 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/) |
| Jul 22, 2026 | [10 Ashfield St](https://nearbypermits.com/boston/address/10-ashfield-st/) | 760 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/) | 740 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/) | 490 ft SW | 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/) | 930 ft S | 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/) | 930 ft S | Plumbing | Install 40 gal gas water heater in unit 2 | $500 | [G1871319](https://nearbypermits.com/boston/permit/G1871319/) |
| Jul 7, 2026 | [20 Cotton St](https://nearbypermits.com/boston/address/20-cotton-st/) | 280 ft S | 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/) | 270 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/) | 620 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/) | 580 ft S | 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/) | 580 ft S | 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/) | 580 ft S | Roofing | Asphalt shingles replacement on the entire house. | $25,199 | [SF1850286](https://nearbypermits.com/boston/permit/SF1850286/) |
| May 27, 2026 | [112 Walter St](https://nearbypermits.com/boston/address/112-walter-st/) | 470 ft W | Alteration or repair | Air sealing, Insulation, Weatherization | $13,413 | [SF1849769](https://nearbypermits.com/boston/permit/SF1849769/) |
| May 22, 2026 | [104 Walter St](https://nearbypermits.com/boston/address/104-walter-st/) | 530 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/) | 470 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/) | 650 ft S | 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/) | 800 ft S | 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/) | 650 ft S | 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/) | 470 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/) |

### Farther (1,000 ft to ¼ mi), 25 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 18, 2026 | [11 Ardale St](https://nearbypermits.com/boston/address/11-ardale-st/) | 0.22 mi W | Alteration or repair | Demolish existing deck. Dig 5 new 12" footings. Frame a new deck and stairs out of 2x8 pressure treated lumber. Install mahogany decking. Reuse handrails. | $34,250 | [SF1902420](https://nearbypermits.com/boston/permit/SF1902420/) |
| Sep 8, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.21 mi SW | Alteration or repair | Remove Non-Structural wall, patch and paint to match. Flooring repairs where wall was located. | $4,200 | [SF1895302](https://nearbypermits.com/boston/permit/SF1895302/) |
| Sep 8, 2026 | [57 Walter St](https://nearbypermits.com/boston/address/57-walter-st/) | 0.19 mi SW | Alteration or repair | confirm occupancy of existing single family | Not listed | [ALT1880633](https://nearbypermits.com/boston/permit/ALT1880633/) |
| Sep 1, 2026 | [18 Basto Te](https://nearbypermits.com/boston/address/18-basto-te/) | 0.21 mi SW | Alteration or repair | Insulation work as part of the MASS Save program. | $3,000 | [SF1895105](https://nearbypermits.com/boston/permit/SF1895105/) |
| Sep 1, 2026 | [178 Walter St](https://nearbypermits.com/boston/address/178-walter-st/) | 0.19 mi NW | Roofing | Strip and re-roof | $8,750 | [SF1894127](https://nearbypermits.com/boston/permit/SF1894127/) |
| Sep 1, 2026 | [22 Conway St](https://nearbypermits.com/boston/address/22-conway-st/) | 0.19 mi S | 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/) |
| Aug 27, 2026 | [22 Conway St](https://nearbypermits.com/boston/address/22-conway-st/) | 0.19 mi S | 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/) | 0.19 mi S | 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 25, 2026 | [57 Walter St](https://nearbypermits.com/boston/address/57-walter-st/) | 0.19 mi SW | Roofing | Pending;ALT1880633 Occupancy Committee.strip and install a new roof | $23,045 | [SF1879588](https://nearbypermits.com/boston/permit/SF1879588/) |
| Aug 3, 2026 | [655-657 South St](https://nearbypermits.com/boston/address/655--657-south-st/) | 0.22 mi SE | Electrical | Tesla powerwall 3 1707000-21 battery installation. | $18,500 | [E1880155](https://nearbypermits.com/boston/permit/E1880155/) |
| Jul 30, 2026 | [7 Basto Te](https://nearbypermits.com/boston/address/7-basto-te/) | 0.24 mi SW | Fire systems | Furnish and install 120 volt smokes with lithium battery backup -(4) smoke carbons one on each level -(4) smokes in each bedroom | $1,000 | [EFA1879038](https://nearbypermits.com/boston/permit/EFA1879038/) |
| Jul 28, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.21 mi SW | Electrical | rewire 2nd floor bathroom- minor reno (new bath, new tile) wire new 1/2 bathroom on 2rd floor | $4,000 | [E1878807](https://nearbypermits.com/boston/permit/E1878807/) |
| Jul 23, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.21 mi SW | Plumbing | Second floor a toilet and a lab third floor a tub, a sink.And a toilet | $9,000 | [PL1877420](https://nearbypermits.com/boston/permit/PL1877420/) |
| Jul 23, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.21 mi SW | Plumbing | Installin one full bath in the basement with a shower and kitchen. Sake and a laundry room, awful, bad catch you. Sick, how long do you go on?Take a number oh | $9,000 | [PL1877373](https://nearbypermits.com/boston/permit/PL1877373/) |
| Jul 23, 2026 | [7 Basto Te](https://nearbypermits.com/boston/address/7-basto-te/) | 0.24 mi SW | Electrical | Whole-home rewire including new circuits for laundry, full kitchen power and lighting, pantry, bath, living/dining, hall, porch, bedrooms, attic, exterior GFCIs, smoke system, doorbell, 200A service upgrade, HVAC circuit, and added lighting/outlets. | $35,000 | [E1875971](https://nearbypermits.com/boston/permit/E1875971/) |
| Jul 21, 2026 | [52 Walter St](https://nearbypermits.com/boston/address/52-walter-st/) | 0.21 mi SW | Alteration or repair | Half bath addition and Full bathroom remodel | $50,676 | [SF1875125](https://nearbypermits.com/boston/permit/SF1875125/) |
| Jul 20, 2026 | [7 Basto Te](https://nearbypermits.com/boston/address/7-basto-te/) | 0.24 mi SW | Plumbing | Renovation of Plumbing Fixtures | $7,000 | [PL1872596](https://nearbypermits.com/boston/permit/PL1872596/) |
| Jul 20, 2026 | [7 Basto Te](https://nearbypermits.com/boston/address/7-basto-te/) | 0.24 mi SW | Plumbing | Renovation of Gas Fixtures | $3,000 | [G1872600](https://nearbypermits.com/boston/permit/G1872600/) |
| Jul 17, 2026 | [669 South St](https://nearbypermits.com/boston/address/669-south-st/) | 0.23 mi SE | Fence, wall or deck | Emergency repair and replacement of existing retaining wall. | $80,000 | [SF1858327](https://nearbypermits.com/boston/permit/SF1858327/) |
| Jul 14, 2026 | [7 Basto Te](https://nearbypermits.com/boston/address/7-basto-te/) | 0.24 mi SW | Alteration or repair | Interior renovations all new plumbing, electrical, hvac, insulation, board and plaster, tile work and carpentry. We will finish the kitchen and 1 full and 1/2 bath. We will have all new work done to code or exceeding. We will remove the debris via dumpster in the homes driveway. | $148,050 | [SF1861606](https://nearbypermits.com/boston/permit/SF1861606/) |
| Jul 13, 2026 | [640 South St](https://nearbypermits.com/boston/address/640-south-st/) | 0.24 mi E | Alteration or repair | Remodel of kitchen and bath | $40,000 | [SF1871326](https://nearbypermits.com/boston/permit/SF1871326/) |
| Jun 11, 2026 | [7 Basto Te](https://nearbypermits.com/boston/address/7-basto-te/) | 0.24 mi SW | Alteration or repair | Exterior renovations including new roofing, siding, windows, trim work and decking. All new exterior work will be new pvc trim, Hardie board siding, new vinyl windows, composite decking and railings and asphalt shingles. We will remove all construction debris with a dumpster in the homes driveway. | $92,680 | [SF1857124](https://nearbypermits.com/boston/permit/SF1857124/) |
| Jun 8, 2026 | [11 Basto Te](https://nearbypermits.com/boston/address/11-basto-te/) | 0.23 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/) |
| May 14, 2026 | [37 Eldon St](https://nearbypermits.com/boston/address/37-eldon-st/) | 0.23 mi NW | Solar | Installation of roof mounted photovoltaic solar systems, 10.66 KW 26 panels with installation of 1 franklin battery installed on exterior of home | $76,800 | [E1848361](https://nearbypermits.com/boston/permit/E1848361/) |
| May 1, 2026 | [634 South St](https://nearbypermits.com/boston/address/634-south-st/) | 0.25 mi E | Plumbing | Renovation of a 2-1/2 bath one kitchen and laundry. | $25,000 | [PL1840360](https://nearbypermits.com/boston/permit/PL1840360/) |

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 16:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 10 permits at this address and 57 nearby: https://nearbypermits.com/boston/address/26-mendum-st/