# Building permits at 47 Mansfield St, Somerville, MA

The biggest project within a quarter mile since May 1: a $2.1M project at 107 Linwood St, permitted May 4.

One permit here in the last two years. The newest, Nov 18, 2024: Strip and reroof. Within a quarter mile, the city has issued 78 more permits (75 projects) since May 1. Two are for new buildings, the nearest 0.20 mi away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Nov 18, 2024 | Roofing | strip and reroof | $9,975 | [B21-001993](https://nearbypermits.com/somerville/permit/B21-001993/) |

## Within ¼ mi since May 1, 2026

78 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 |
|---|---|---|---|---|---|---|
| Sep 17, 2026 | [36 Mansfield St](https://nearbypermits.com/somerville/address/36-mansfield-st/) | 210 ft SW | Plumbing | Replaced boiler only with no water connection, but was told to pull water connection | Not listed | [P26-000547](https://nearbypermits.com/somerville/permit/P26-000547/) |
| Sep 17, 2026 | [36 Mansfield St](https://nearbypermits.com/somerville/address/36-mansfield-st/) | 210 ft SW | Plumbing | Strictly boiler only replacement no touching of water only Gas | Not listed | [G26-000424](https://nearbypermits.com/somerville/permit/G26-000424/) |

### This block (250 to 1,000 ft), 36 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | [3 Linden St](https://nearbypermits.com/somerville/address/3-linden-st/) | 770 ft SW | Electrical | Associated electrical work for Installation of 18 modules over the pitched roof located at address below | $16,102 | [E26-001473](https://nearbypermits.com/somerville/permit/E26-001473/) |
| Oct 5, 2026 | [39 Alston St](https://nearbypermits.com/somerville/address/39-alston-st/) | 750 ft NE | Electrical | Outlet for washer, outside outlet, replacement of light fixture | $2,500 | [E26-001368](https://nearbypermits.com/somerville/permit/E26-001368/) |
| Sep 15, 2026 | [14 Boston St](https://nearbypermits.com/somerville/address/14-boston-st/) | 430 ft NW | Plumbing | replace toilet, vanity, kitchen sink, dishwasher | Not listed | [P26-000541](https://nearbypermits.com/somerville/permit/P26-000541/) |
| Sep 15, 2026 | [163 Washington St](https://nearbypermits.com/somerville/address/163-washington-st/) | 290 ft N | Electrical | (REF this permit: B26-001063) Disconnect Electrical for demo and makesafe. Then add lights to unfinished basement @ 175-177 Washington St | $3,000 | [E26-001309](https://nearbypermits.com/somerville/permit/E26-001309/) |
| Sep 8, 2026 | [163 Washington St](https://nearbypermits.com/somerville/address/163-washington-st/) | 290 ft N | Alteration or repair | Emergency Demolition,Remove partitions and drywall ceilings in basement @175-177 Washington St | $9,500 | [B26-001063](https://nearbypermits.com/somerville/permit/B26-001063/) |
| Sep 2, 2026 | [230 Somerville Ave](https://nearbypermits.com/somerville/address/230-somerville-ave/) | 700 ft SW | Electrical | Wiring for the commercial kitchen hood ventilation motors including power outlets, lighting & control | $9,380 | [E26-001301](https://nearbypermits.com/somerville/permit/E26-001301/) |
| Aug 27, 2026 | [9 Prospect Hill Ave](https://nearbypermits.com/somerville/address/9-prospect-hill-ave/) | 940 ft N | Electrical | Installation and wiring of ductless system consisting of one condenser and four mini split heads. | $21,733 | [B26-001264](https://nearbypermits.com/somerville/permit/B26-001264/) |
| Aug 18, 2026 | [9 Prospect Hill Ave](https://nearbypermits.com/somerville/address/9-prospect-hill-ave/) | 940 ft N | Electrical | Installation and wiring of ductless system consisting of one condenser and four mini split heads. | $5,433 | [E26-001152](https://nearbypermits.com/somerville/permit/E26-001152/) |
| Aug 19, 2026 | [163 Washington St](https://nearbypermits.com/somerville/address/163-washington-st/) | 290 ft N | Plumbing | Disconnect Shower & lav in basement | Not listed | [P26-000479](https://nearbypermits.com/somerville/permit/P26-000479/) |
| Aug 19, 2026 | [18 Columbus Ave](https://nearbypermits.com/somerville/address/18-columbus-ave/) | 800 ft W | Electrical | 100 to 400 amp service Upgrade. Installation of outlets in home per customer requested location. | $12,000 | [E26-001164](https://nearbypermits.com/somerville/permit/E26-001164/) |
| Aug 11, 2026 | [10 Poplar St](https://nearbypermits.com/somerville/address/10-poplar-st/) | 920 ft SE | Mechanical (HVAC) | Install new supply/exhaust fans, ERV, Louvers, fire dampers, RGDs and associated ductwork for a complete system. | $209,600 | [SM26-000139](https://nearbypermits.com/somerville/permit/SM26-000139/) |
| Aug 6, 2026 | [14 Boston St](https://nearbypermits.com/somerville/address/14-boston-st/) | 430 ft NW | Electrical | renovation kitchen and one bathroom | $6,500 | [E26-001144](https://nearbypermits.com/somerville/permit/E26-001144/) |
| Aug 4, 2026 | [9 Prospect Hill Ave](https://nearbypermits.com/somerville/address/9-prospect-hill-ave/) | 940 ft N | Plumbing | bathroom and kitchen renovation | Not listed | [P26-000448](https://nearbypermits.com/somerville/permit/P26-000448/) |
| Aug 4, 2026 | [14 Boston St](https://nearbypermits.com/somerville/address/14-boston-st/) | 430 ft NW | Alteration or repair | Remove old cabinets Remove floor tile Remove drop ceiling Open bigger window on wall between kitchen and living room Install new ceiling Install new floor tile Install new cabinets Replace existing existing doors | $36,480 | [B26-000800](https://nearbypermits.com/somerville/permit/B26-000800/) |
| Jul 31, 2026 | [9 Prospect Hill Ave](https://nearbypermits.com/somerville/address/9-prospect-hill-ave/) | 940 ft N | Electrical | Kitchen renovation with two bathrooms being renovated as well | $5,600 | [E26-001109](https://nearbypermits.com/somerville/permit/E26-001109/) |
| Jul 15, 2026 | [9 Allen St](https://nearbypermits.com/somerville/address/9-allen-st/) | 880 ft SW | Electrical | Temp Electrical Service Construction Site @ Corner of Allen St and Charlestown St | $500 | [E26-001005](https://nearbypermits.com/somerville/permit/E26-001005/) |
| Jul 14, 2026 | [18 Linden St](https://nearbypermits.com/somerville/address/18-linden-st/) | 790 ft SW | Roofing | Strip existing roofing (15 sq) layer with proper tools, remove existing flashing, underlayment, boot pipes and remove debris down using tarp along the house to protect house perimeter and client belongs. Reroof with new underlayment and new asphalt shingles following State Building Code and Manufact | $7,960 | [B26-000745](https://nearbypermits.com/somerville/permit/B26-000745/) |
| Jul 13, 2026 | [11 Linden St](https://nearbypermits.com/somerville/address/11-linden-st/) | 820 ft SW | Roofing | Reroof: Tear off existing underlayment, ice and water, shingle, drip edge, flashing, and trim. Install new underlayment, ice and water, shingle, drip edge, flashing, and trim. No structural changes. | $28,536 | [B26-000977](https://nearbypermits.com/somerville/permit/B26-000977/) |
| Jun 22, 2026 | [18 Linden St](https://nearbypermits.com/somerville/address/18-linden-st/) | 790 ft SW | Electrical | Rooftop solar 19 panels 7.79 kwdc 13.5kw energy storage system to be installed on exterior wall | $98,637 | [E26-000828](https://nearbypermits.com/somerville/permit/E26-000828/) |
| Jun 18, 2026 | [18 Linden St](https://nearbypermits.com/somerville/address/18-linden-st/) | 790 ft SW | Solar | Rooftop solar 19 panels 7.79 kwdc 13.5kw energy storage system to be installed on exterior wall no structural | $38,950 | [B26-000863](https://nearbypermits.com/somerville/permit/B26-000863/) |
| Jun 17, 2026 | [20 Prospect Hill Ave](https://nearbypermits.com/somerville/address/20-prospect-hill-ave/) | 810 ft NW | Alteration or repair | air sealing and insulation through the Mass Save program | $1,213 | [B26-000718](https://nearbypermits.com/somerville/permit/B26-000718/) |
| Jun 16, 2026 | [223 Washington St](https://nearbypermits.com/somerville/address/223-washington-st/) | 650 ft W | Alteration or repair | Temporary interior structure | $174,557 | [B24-000225](https://nearbypermits.com/somerville/permit/B24-000225/) |
| Jun 11, 2026 | [9 Prospect Hill Ave](https://nearbypermits.com/somerville/address/9-prospect-hill-ave/) | 940 ft N | Alteration or repair | Cosmetic renovation to include: Replacing counters in kitchen Fixture replacement in existing full bath Window replacement throughout house Adding half bath (as indicated on proposed plans) Sanding/refinishing floors Painting unit | $40,000 | [B26-000783](https://nearbypermits.com/somerville/permit/B26-000783/) |
| Jun 2, 2026 | [17 Bonner Ave](https://nearbypermits.com/somerville/address/17-bonner-ave/) | 900 ft W | Electrical | Rooftop solar 12 panels 4.92 kwdc no ESS | $8,768 | [E26-000777](https://nearbypermits.com/somerville/permit/E26-000777/) |
| Jun 2, 2026 | [20 Prospect Hill Ave](https://nearbypermits.com/somerville/address/20-prospect-hill-ave/) | 810 ft NW | Mechanical (HVAC) | Install two condensers and four mini split heads | $27,632 | [B26-000655](https://nearbypermits.com/somerville/permit/B26-000655/) |
| May 29, 2026 | [17 Linden St](https://nearbypermits.com/somerville/address/17-linden-st/) | 870 ft SW | Plumbing | gas meter test | Not listed | [G26-000273](https://nearbypermits.com/somerville/permit/G26-000273/) |
| May 21, 2026 | [3 Linden St](https://nearbypermits.com/somerville/address/3-linden-st/) | 770 ft SW | Alteration or repair | Adding 5 of 4in lally column with 2x2x1 concrete footing for additional structural support | $3,000 | [B26-000582](https://nearbypermits.com/somerville/permit/B26-000582/) |
| May 19, 2026 | [220 Washington St](https://nearbypermits.com/somerville/address/220-washington-st/) | 560 ft W | Electrical | 120 volt wiring for gate control | $10,000 | [E26-000708](https://nearbypermits.com/somerville/permit/E26-000708/) |
| May 19, 2026 | [18 Linden St](https://nearbypermits.com/somerville/address/18-linden-st/) | 790 ft SW | Alteration or repair | Insulation work as part of the MASS Save program. | $12,000 | [B26-000720](https://nearbypermits.com/somerville/permit/B26-000720/) |
| May 14, 2026 | [101 Linwood St](https://nearbypermits.com/somerville/address/101-linwood-st/) | 880 ft SE | Plumbing | replace two 100 Gallon gas fired water heaters | Not listed | [P26-000297](https://nearbypermits.com/somerville/permit/P26-000297/) |
| May 14, 2026 | [101 Linwood St](https://nearbypermits.com/somerville/address/101-linwood-st/) | 880 ft SE | Plumbing | replace two 100 Gallon gas fired water heaters | Not listed | [G26-000244](https://nearbypermits.com/somerville/permit/G26-000244/) |
| May 7, 2026 | [21 Linden St](https://nearbypermits.com/somerville/address/21-linden-st/) | 910 ft SW | Alteration or repair | Vinyl Siding, Install 3.5 inch trim around exterior around Garage Door, install white standard block to mount lights, outlets and dryer vents around home, Install 3.5 inch trim around exterior around window, Installing 3.5" James Hardie trim on exterior of door. | $105,287 | [B26-000442](https://nearbypermits.com/somerville/permit/B26-000442/) |
| May 6, 2026 | [20 Prospect Hill Ave](https://nearbypermits.com/somerville/address/20-prospect-hill-ave/) | 810 ft NW | Electrical | Installation and wiring of ductless system consisting of two condensers and four mini-split heads | $6,908 | [E26-000624](https://nearbypermits.com/somerville/permit/E26-000624/) |
| May 5, 2026 | [14 Linden St](https://nearbypermits.com/somerville/address/14-linden-st/) | 780 ft SW | Roofing | Asphalt shingles replacement on the entire house with Owens Corning System Warranty. | $23,899 | [B26-000528](https://nearbypermits.com/somerville/permit/B26-000528/) |
| May 4, 2026 | [205 Washington St](https://nearbypermits.com/somerville/address/205-washington-st/) | 470 ft W | Electrical | they needed a permit pulled as they’re taking off window frames Siding permit | $150 | [E26-000545](https://nearbypermits.com/somerville/permit/E26-000545/) |
| May 4, 2026 | [107 Linwood St](https://nearbypermits.com/somerville/address/107-linwood-st/) | 1,000 ft SE | Roofing | Remove and replace roofing on a commercial building | $2,089,500 | [B26-000567](https://nearbypermits.com/somerville/permit/B26-000567/) |

### Farther (1,000 ft to ¼ mi), 40 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | [34 Columbus Ave](https://nearbypermits.com/somerville/address/34-columbus-ave/) | 0.21 mi NW | Alteration or repair | Homeowner permit-- Replacing two rotted exterior doors and one severely window with cracked plexiglass in lieu of glass. | $5,000 | [B26-001553](https://nearbypermits.com/somerville/permit/B26-001553/) |
| Oct 2, 2026 | [27 Tufts St](https://nearbypermits.com/somerville/address/27-tufts-st/) | 0.21 mi NE | Solar | Temporarily remove and reinstall existing solar panels for roof work | $350 | [B26-001468](https://nearbypermits.com/somerville/permit/B26-001468/) |
| Sep 30, 2026 | [286 Somerville Ave](https://nearbypermits.com/somerville/address/286-somerville-ave/) | 0.22 mi W | Sign | Install: (2) New Face-Lit Channel Letters - "DUNKIN'" (1A.1).(1) Refurbished Ground Sign - "DUNKIN'" (3A.1) | Not listed | [B26-001387](https://nearbypermits.com/somerville/permit/B26-001387/) |
| Sep 28, 2026 | [117 Washington St](https://nearbypermits.com/somerville/address/117-washington-st/) | 0.21 mi NE | Alteration or repair | Repair clapboard siding and roof on/around 5 dormers | $5,725 | [B25-001930](https://nearbypermits.com/somerville/permit/B25-001930/) |
| Sep 24, 2026 | [174 Somerville Ave](https://nearbypermits.com/somerville/address/174-somerville-ave/) | 0.21 mi S | Plumbing | reno of Bathrooms and Starbucks area in Target | Not listed | [P26-000558](https://nearbypermits.com/somerville/permit/P26-000558/) |
| Sep 24, 2026 | [174 Somerville Ave](https://nearbypermits.com/somerville/address/174-somerville-ave/) | 0.21 mi S | Plumbing | reno of Bathrooms and Starbucks area in Target | Not listed | [G26-000432](https://nearbypermits.com/somerville/permit/G26-000432/) |
| Sep 15, 2026 | [286 Somerville Ave](https://nearbypermits.com/somerville/address/286-somerville-ave/) | 0.22 mi W | Electrical | Disconnect and reconnect front line wiring for newly added bookcase. Wire new Dunkin signage going in place of existing Dunkin Donut signage. | $4,500 | [E26-001349](https://nearbypermits.com/somerville/permit/E26-001349/) |
| Sep 10, 2026 | [27 Tufts St](https://nearbypermits.com/somerville/address/27-tufts-st/) | 0.21 mi NE | Electrical | Temporarily remove and reinstall existing solar panels for roof work | $350 | [E26-001319](https://nearbypermits.com/somerville/permit/E26-001319/) |
| Sep 3, 2026 | [28 Bonner Ave](https://nearbypermits.com/somerville/address/28-bonner-ave/) | 0.20 mi NW | Alteration or repair | Weatherization and air sealing with the Mass Save Program. No structural changes. | $1,886 | [B26-001391](https://nearbypermits.com/somerville/permit/B26-001391/) |
| Sep 2, 2026 | [10 Alston St](https://nearbypermits.com/somerville/address/10-alston-st/) | 0.20 mi N | New building | build new 3 family house (existing structure is a garage) - detached house in NR district FOUNDATION ONLY PERMIT B26-000068 | $720,000 | [B25-000984](https://nearbypermits.com/somerville/permit/B25-000984/) |
| Aug 31, 2026 | [2 Alston St](https://nearbypermits.com/somerville/address/2-alston-st/) | 0.21 mi N | Roofing | Enclose porch on first and second floor add insulation and light install stairs exterior access and exit install windows and doors install siding, new roof (sheathing, shingles, flashing, ice & water shield), Insulation (walls & roof), Drywall installation & finishing, Flooring installation vinyl | $25,000 | [B26-001165](https://nearbypermits.com/somerville/permit/B26-001165/) |
| Aug 27, 2026 | [44 Columbus Ave](https://nearbypermits.com/somerville/address/44-columbus-ave/) | 0.24 mi NW | Solar | Install Energy Storage System rated at 27kWh outside, interconnected to existing solar panel system | $21,675 | [B26-001233](https://nearbypermits.com/somerville/permit/B26-001233/) |
| Aug 25, 2026 | [152 Cross St](https://nearbypermits.com/somerville/address/152-cross-st/) | 0.20 mi N | Alteration or repair | Add handrail to Attic Egress Stair, Add railing to second floor roof deck and replace 1 exterior door. | $6,418 | [B26-001215](https://nearbypermits.com/somerville/permit/B26-001215/) |
| Aug 24, 2026 | [2 Alston St](https://nearbypermits.com/somerville/address/2-alston-st/) | 0.21 mi N | Electrical | Wire a small addition. | $4,000 | [E26-001228](https://nearbypermits.com/somerville/permit/E26-001228/) |
| Aug 24, 2026 | [86 Joy St](https://nearbypermits.com/somerville/address/86-joy-st/) | 0.21 mi E | Electrical | Add ceiling outlets, replace exposed romex with conduit | $2,500 | [E26-001216](https://nearbypermits.com/somerville/permit/E26-001216/) |
| Aug 24, 2026 | [174 Somerville Ave](https://nearbypermits.com/somerville/address/174-somerville-ave/) | 0.21 mi S | Alteration or repair | Target - Demolition scope for existing store remodel. Interior gut demolition store remodel and merge into additional space 180 and 174 Sommerville Avenue Target.. | $717,000 | [B26-000819](https://nearbypermits.com/somerville/permit/B26-000819/) |
| Aug 17, 2026 | [20 Prospect St](https://nearbypermits.com/somerville/address/20-prospect-st/) | 0.22 mi W | Plumbing | Installing 3 new breakrooms @ 50 Prospect St | Not listed | [P26-000474](https://nearbypermits.com/somerville/permit/P26-000474/) |
| Aug 17, 2026 | [44 Columbus Ave](https://nearbypermits.com/somerville/address/44-columbus-ave/) | 0.24 mi NW | Electrical | Install Energy Storage System rated at 27kWh on exterior, interconnected to existing solar panel system | $15,249 | [E26-001118](https://nearbypermits.com/somerville/permit/E26-001118/) |
| Aug 3, 2026 | [47 Tufts St](https://nearbypermits.com/somerville/address/47-tufts-st/) | 0.24 mi N | Alteration or repair | Demo existing rear deck and install new deck per drawings specs | $39,100 | [B26-000859](https://nearbypermits.com/somerville/permit/B26-000859/) |
| Jul 29, 2026 | [10 Alston St](https://nearbypermits.com/somerville/address/10-alston-st/) | 0.20 mi N | Electrical | Wiring a new three-unit apartment | $52,000 | [E26-000656](https://nearbypermits.com/somerville/permit/E26-000656/) |
| Jul 25, 2026 | [15 Homer Sq](https://nearbypermits.com/somerville/address/15-homer-sq/) | 0.21 mi W | Roofing | Install new roofing | $14,600 | [B26-001094](https://nearbypermits.com/somerville/permit/B26-001094/) |
| Jul 14, 2026 | [28 Bonner Ave](https://nearbypermits.com/somerville/address/28-bonner-ave/) | 0.20 mi NW | Alteration or repair | Installation of (10) Double Hung Window Inserts, (1) Casement Window Insert, (5) Glider Window Inserts and (1) Full Frame, Double Hung Window. No Structural Changes | $53,248 | [B26-000994](https://nearbypermits.com/somerville/permit/B26-000994/) |
| Jul 6, 2026 | [174 Somerville Ave](https://nearbypermits.com/somerville/address/174-somerville-ave/) | 0.21 mi S | Electrical | Add 6x circuits and 15x Receptacles in the electronic area gandolas. Work @ 180 somerville | $7,300 | [E26-000960](https://nearbypermits.com/somerville/permit/E26-000960/) |
| Jul 3, 2026 | [174 Somerville Ave](https://nearbypermits.com/somerville/address/174-somerville-ave/) | 0.21 mi S | Electrical | Electrical demo of vacant retail space. Install temp lighting and power for construction. Work @ target 174-180 somerville ave | $15,000 | [E26-000938](https://nearbypermits.com/somerville/permit/E26-000938/) |
| Jun 26, 2026 | [10 Alston St](https://nearbypermits.com/somerville/address/10-alston-st/) | 0.20 mi N | New building | foundation for new construction 3 family CONSTRUCTION PERMIT B25-000984 | $100,000 | [B26-000068](https://nearbypermits.com/somerville/permit/B26-000068/) |
| Jun 24, 2026 | [8 Morton St](https://nearbypermits.com/somerville/address/8-morton-st/) | 0.22 mi NE | Alteration or repair | Withdrawn per applicant, see online message. -JE 7/29/26 Roof replacement | $29,000 | [B26-000828](https://nearbypermits.com/somerville/permit/B26-000828/) |
| Jun 22, 2026 | [43 Boston St](https://nearbypermits.com/somerville/address/43-boston-st/) | 0.21 mi N | Electrical | Install new low voltage fire alarm | $8,000 | [E26-000887](https://nearbypermits.com/somerville/permit/E26-000887/) |
| Jun 16, 2026 | [86 Joy St](https://nearbypermits.com/somerville/address/86-joy-st/) | 0.21 mi E | Electrical | Installing one smoke detector and one CO detector low voltage | $2,500 | [E26-000851](https://nearbypermits.com/somerville/permit/E26-000851/) |
| Jun 16, 2026 | [19r Prospect Hill Ave](https://nearbypermits.com/somerville/address/19r-prospect-hill-ave/) | 0.19 mi NW | Alteration or repair | Insulation work as part of the mass save program | $2,400 | [B23-001976](https://nearbypermits.com/somerville/permit/B23-001976/) |
| Jun 11, 2026 | [86 Joy St](https://nearbypermits.com/somerville/address/86-joy-st/) | 0.21 mi E | Alteration or repair | Replace existing entry door in same style and size to swing out and have a panic device. Install panic hardware on existing rear door. At Bay 4 | $5,250 | [B26-000794](https://nearbypermits.com/somerville/permit/B26-000794/) |
| Jun 9, 2026 | [121 Washington St](https://nearbypermits.com/somerville/address/121-washington-st/) | 0.20 mi NE | Electrical | Wire COMMERCIAL AREA and Install NEW ADDRESSABLE FIRE ALARM SYSTEM in all Building - Residential units wire by others. Rough Inspection Passed. | $15,000 | [E26-000750](https://nearbypermits.com/somerville/permit/E26-000750/) |
| Jun 9, 2026 | [5 Homer Sq](https://nearbypermits.com/somerville/address/5-homer-sq/) | 0.23 mi NW | Electrical | Support service for Siding company | $500 | [E26-000661](https://nearbypermits.com/somerville/permit/E26-000661/) |
| Jun 9, 2026 | [33 Columbus Ave](https://nearbypermits.com/somerville/address/33-columbus-ave/) | 0.20 mi NW | Alteration or repair | Residential weatherization/air sealing. No structural changes. ( 860845) | $2,000 | [B26-000586](https://nearbypermits.com/somerville/permit/B26-000586/) |
| Jun 8, 2026 | [43 Boston St](https://nearbypermits.com/somerville/address/43-boston-st/) | 0.21 mi N | Mechanical (HVAC) | Install 3 HVAC systems. 1 located in the basement with 2 zones, 1 located on the 2nd floor, and 1 located on the 3rd floor. | $49,000 | [SM26-000093](https://nearbypermits.com/somerville/permit/SM26-000093/) |
| Jun 1, 2026 | [37 Columbus Ave](https://nearbypermits.com/somerville/address/37-columbus-ave/) | 0.21 mi NW | Fence, wall or deck | Demolish existing three-story wood deck and construct new three-story pressure-treated wood deck in same footprint, layout, and dimensions | $27,000 | [B26-000638](https://nearbypermits.com/somerville/permit/B26-000638/) |
| May 27, 2026 | [121 Washington St](https://nearbypermits.com/somerville/address/121-washington-st/) | 0.20 mi NE | Electrical | Take over existing permit and complete all remaining electrical work for both residential and commercial units in accordance with current Massachusetts electrical code and approved plans. | $24,500 | [E26-000742](https://nearbypermits.com/somerville/permit/E26-000742/) |
| May 19, 2026 | [105 Washington St](https://nearbypermits.com/somerville/address/105-washington-st/) | 0.24 mi NE | Electrical | Kitchen receptacles and lights switch move | $1,500 | [E26-000713](https://nearbypermits.com/somerville/permit/E26-000713/) |
| May 19, 2026 | [16 Homer Sq](https://nearbypermits.com/somerville/address/16-homer-sq/) | 0.21 mi W | Electrical | Electrical service upgrade from existing 100A to new 200A service, including new panel upgrades as required. Install (1) 60A circuit for EV charger. | $4,800 | [E26-000605](https://nearbypermits.com/somerville/permit/E26-000605/) |
| May 19, 2026 | [35 Prospect St](https://nearbypermits.com/somerville/address/35-prospect-st/) | 0.24 mi W | Roofing | Remove all roofing materials and install.060 EPDM rubber roofing materials. Remove all debris. | $44,211 | [B26-000685](https://nearbypermits.com/somerville/permit/B26-000685/) |
| May 13, 2026 | [5 Homer Sq](https://nearbypermits.com/somerville/address/5-homer-sq/) | 0.23 mi NW | Alteration or repair | Emergency roof and siding replacement | $30,000 | [B26-000589](https://nearbypermits.com/somerville/permit/B26-000589/) |

## Zoning requests nearby

We don't list zoning cases for Somerville yet. Look them up on the city's Zoning Board of Appeals page: https://www.somervillema.gov/departments/zoning-board-appeals

## More on this street

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

- [36 Mansfield St](https://nearbypermits.com/somerville/address/36-mansfield-st/): newest permit Sep 17, 2026
- [22 Mansfield St](https://nearbypermits.com/somerville/address/22-mansfield-st/): newest permit Dec 5, 2024

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Source: Somerville Inspectional Services Division permit data (https://data.somervillema.gov/d/nneb-s3f7), SomerStat, City of Somerville, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-09 22:48 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL). Database: https://data.somervillema.gov/d/nneb-s3f7 License: https://opendatacommons.org/licenses/odbl/1-0/

Map, the one permit at this address and 78 nearby: https://nearbypermits.com/somerville/address/47-mansfield-st/