12 Mountain Ave

Somerville, MA 02143

The biggest project within a quarter mile since May 1: a $1.3M alteration or repair at 27 Porter St, permitted May 14.

Seven permits on record here. The newest, Jan 10, 2025: Ductless mini split install and 200 amp service upgrade. Within a quarter mile, the city has issued 132 more permits (129 projects) since May 1. Six are for new buildings, the nearest 770 ft away.

1. Ductless mini split install and 200 amp service upgrade

   Electrical
   Jan 10, 2025$43,381
2. Ductless mini split install and 200 amp service upgrade B25-000004

   Electrical
   Jan 9, 2025$800
3. Residential weatherization/air sealing

   Alteration or repair
   Jan 2, 2025$5,000
4. Renovate kitchen

   Plumbing
   Feb 21, 2018not listed
5. Replace gas stove

   Plumbing
   Feb 21, 2018not listed
6. Kitchen remodel

   Electrical
   Feb 7, 2018$3,000
7. Kitchen remodel

   Alteration or repair
   Jan 16, 2018$72,750

1. New pressure-treated deck with helical pile foundation

   3 Mountain Ave · 130 ft E · Alteration or repair
   Sep 11$12,300
2. Ductless mini split install

   70 Porter St · 240 ft S · Alteration or repair
   Sep 2$49,021
3. Residential weatherization/air sealing

   243 Summer St · 250 ft SW · Alteration or repair
   Aug 25$17,000
4. Electrical work- Take over of Permit # E22-000020

   241 Summer St · 240 ft SW · Electrical
   Aug 3$1,500
5. Replace water heater × 2 permits

   11 Mountain Ave · 80 ft NE · Plumbing
   Jun 3not listed
6. Install 24 Harvey classic replacement window,energy star,inserts only,no structural work

   12 Francis St · 170 ft NE · Alteration or repair
   Jun 1$18,720
7. Replace boiler × 2 permits

   241 Summer St · 240 ft SW · Plumbing
   May 22not listed
8. 50ft trench, install 1 1/4 PVC pipe for future use for the garage

   8 Porter Ave · 140 ft S · Electrical
   May 14$2,600

1. Replace 3 windows with same size windows in first floor unit of two family

   15 Hall St · 740 ft NW · Alteration or repair
   Oct 5$3,600
2. Upgrade service from 100 to 200 amps Remove 1 meter

   74 Cedar St · 560 ft NW · Electrical
   Oct 2$3,100
3. Replacement of Existing Hot Water Heater and Existing Cross Connection Device

   21 Cedar St · 970 ft SW · Plumbing
   Oct 1not listed
4. Replacement of Existing Boiler and Existing Hot Water Heater

   21 Cedar St · 970 ft SW · Plumbing
   Oct 1not listed
5. Single-family dwelling renovation consisting of the removal of the existing chimney and infill and patching…

   26 Tower St · 740 ft E · Alteration or repair
   Sep 29$91,125
6. Cap gas line for heat pump install

   78 Cedar St · 580 ft NW · Plumbing
   Sep 25not listed
7. Installation of a 42K BTU 5Zone Mitsubishi Ductless Branch Box System for Unit 3 207 Summer Street Somerville

   207 Summer St · 910 ft SE · Alteration or repair
   Sep 24$29,126
8. Expletory demolition of walls, ceilings

   53 Cherry St · 970 ft NW · Alteration or repair
   Sep 23$25,000
9. 400 amp service upgrade, basement lights, common area smokes/CO

   153 Lowell St · 970 ft E · Electrical
   Sep 20$10,000
10. (homeowner's permit) - remove existing flooring and replace with3/4 tongue and groove plywood

    9 Carver St · 870 ft SW · Alteration or repair
    Sep 17$4,000
11. Kitchen renovation, partial chimney demo, two new skylights

    74 Cedar St · 560 ft NW · Alteration or repair
    Sep 8$43,500
12. New sprinklers systems installation

    36 Tower St · 740 ft SE · Fire systems
    Sep 8$18,000
13. Change 100amps service to 400amps service

    106 Hudson St · 930 ft E · Electrical
    Sep 3$10,000
14. Disconnect and make safe for removal all fixtures

    26 Tower St · 740 ft E · Electrical
    Sep 2$1,000
15. Wiring replacement for a gas boiler

    21 Cedar St · 970 ft SW · Electrical
    Aug 27$500
16. Rebuild existing rear exterior deck in the same location

    9 Brastow Ave · 810 ft SE · Alteration or repair
    Aug 24$31,135
17. Replace existing fossil fuel furnace with 4 ton air source heat pump

    75 Cedar St · 460 ft NW · Mechanical (HVAC)
    Aug 24$20,490
18. Deck light and outlet

    118 Cedar St · 940 ft N · Electrical
    Aug 7$1,000
19. Installation of 75kva transformer (Add to permit E23-001379)

    236 Highland Ave · 580 ft E · Electrical
    Aug 6$5,000
20. Replacement of 75 KVA Transformer

    236 Highland Ave · 580 ft E · Electrical
    Aug 6$5,000
21. I.E Install 38 double hung windows

    7 Ashland St · 810 ft W · Alteration or repair
    Aug 5$62,476
22. Residential weatherization/air sealing

    114 Cedar St · 910 ft N · Alteration or repair
    Aug 3$21,971
23. Gas boiler replacement

    152 Albion St · 920 ft NE · Plumbing
    Jul 30not listed
24. Replace front stairs and landing

    266 Summer St · 660 ft W · Alteration or repair
    Jul 29$11,850
25. New Construction 3 Unit Semi-Detached House FOUNDATION ONLY PERMIT B25-001623

    35 Cedar St · 770 ft SW · New building
    Jul 29$621,000
26. Replace existing fossil fuel furnace with 4 ton air source heat pump

    75 Cedar St · 460 ft NW · Electrical
    Jul 27$4,000
27. The installation of a PV solar project with 20 JA Solar (440W) on an existing pitched roof

    114 Cedar St · 910 ft N · Solar
    Jul 24$44,000
28. Cottage Fire alarm

    156 Albion St · 930 ft N · Electrical
    Jul 23$2,500
29. Install new low voltage fire alarm

    36 Tower St · 740 ft SE · Electrical
    Jul 21$8,500
30. Remove and restrip with new asphalt roof - 39sq + remove and install 4 new skylights

    96 Cedar St · 700 ft NW · Alteration or repair
    Jul 21$52,411
31. A gut rehab of an existing 2-unit residential house to a 3-unit residential house

    57 Cherry St · 990 ft NW · Alteration or repair
    Jul 21$625,000
32. New rubber roof

    285 Highland Ave · 760 ft N · Other
    Jul 16$15,500
33. New dedicated circuits and receptacles for window ac unit to plug into

    100 Hudson St · 990 ft E · Electrical
    Jul 13$7,000
34. Plumb tub, toilet and sink in third fl bathroom

    207 Summer St · 910 ft SE · Plumbing
    Jul 9not listed
35. The installation of a PV solar project with 20 JA Solar (440W) on an existing pitched roof

    114 Cedar St · 910 ft N · Electrical
    Jul 9$34,329
36. Wiring 3 family

    57 Cherry St · 990 ft NW · Electrical
    Jul 8$25,000
37. Teardown and rebuild two story front porch

    118 Cedar St · 940 ft N · Alteration or repair
    Jun 29$45,000
38. Wire up bathroom

    207 Summer St · 910 ft SE · Electrical
    Jun 23$1,500
39. Install 3 HVAC systems

    36 Tower St · 740 ft SE · Mechanical (HVAC)
    Jun 11$46,000
40. Replace damaged liquid tite conduits

    236 Highland Ave · 580 ft E · Electrical
    Jun 11$1,000
41. 21 Windows and Siding Replacement Full replacement of all existing windows • Full replacement of all…

    40 Tower St · 730 ft SE · Roofing
    Jun 11$289,509
42. Mass Save Weatherization/Insulation × 2 permits

    106 Hudson St · 930 ft E · Alteration or repair
    Jun 11$8,502
43. Strip and re-roof

    164 Hudson St · 750 ft N · Roofing
    Jun 10$15,750
44. Remove exterior light fixtures and re-install them

    40 Tower St · 730 ft SE · Electrical
    Jun 9$1,000
45. Add electric car charger

    19 Hall St · 780 ft NW · Electrical
    Jun 9$400
46. Residential weatherization/air sealing

    271 Highland Ave · 620 ft N · Alteration or repair
    Jun 9$4,000
47. Verizon Wireless to replace (3) Wireless Panel Antenna's with (3) New Panel Antenna's w/integrated RRUs

    289 Highland Ave · 920 ft N · Alteration or repair
    May 27$80,000
48. Remodel main bath unit 3

    207 Summer St · 910 ft SE · Alteration or repair
    May 21$26,000
49. Ufer ground

    35 Cedar St · 770 ft SW · Electrical
    May 19$1,000
50. Ufer Ground

    33 Cedar St · 800 ft SW · Electrical
    May 19$1,000
51. B unit- Wire for new basement bedroom

    208 Summer St · 980 ft SE · Electrical
    May 19$35,000
52. Relocate the gas valve for the laundry in the basement

    208 Summer St · 980 ft SE · Plumbing
    May 14not listed
53. Wire EV charger

    124 Lowell St · 880 ft SE · Electrical
    May 14$600
54. Residential weatherization/air sealing

    208 Summer St · 980 ft SE · Alteration or repair
    May 13$11,000
55. Wire electric stove, electric heater in front hall

    83 Cedar St · 490 ft NW · Electrical
    May 6$1,200

1. Permit for temporary service

   112 Albion St · 0.20 mi NE · Electrical
   Oct 5$1,500
2. Remodeling 1 full bathroom 2nd floor

   61 Hancock St · 0.23 mi NW · Plumbing
   Oct 1not listed
3. Wire a gas fed Trane furnace

   9 Fairlee St · 0.24 mi NW · Electrical
   Oct 1$800
4. Re-build a triple deck per existing footprint

   95 Lowell St · 0.21 mi SE · Alteration or repair
   Sep 29$55,000
5. Removal and Reinstallation of existing solar equipment due to roof being replaced

   103 Belmont St · 0.22 mi E · Solar
   Sep 29$10,890
6. Supply & install (2) two systems with associated duct work

   214 Highland Ave · 0.21 mi E · Mechanical (HVAC)
   Sep 28$50,225
7. Wiring 3 lighs and 3 receptacles for rebuild rear 3 stories porches

   95 Lowell St · 0.21 mi SE · Electrical
   Sep 28$2,000
8. Installation of replacement furnace

   59 Elm St · 0.24 mi SW · Mechanical (HVAC)
   Sep 25$9,685
9. Garage EPDM Roof installation at the rear of the house

   35 Spencer Ave · 0.24 mi N · Alteration or repair
   Sep 24$10,660
10. Installation of 50 amp tesla EV charger and energy management system

    19 Alpine St · 0.22 mi N · Electrical
    Sep 21$2,500
11. Removal and Reinstallation of existing solar equipment due to roof being replaced

    103 Belmont St · 0.22 mi E · Electrical
    Sep 20$5,750
12. Rooftop solar installation 29 panels 13.340kw dc

    36 Cherry St · 0.20 mi W · Electrical
    Sep 14$35,203
13. Triple-decker Main Building Foundation: 112 A -Construction permit B25-001058

    112 Albion St · 0.20 mi NE · New building
    Sep 14$60,000
14. 1 bath at the 3 Floor

    80 Hudson St · 0.24 mi E · Plumbing
    Sep 9not listed
15. Disconnect, cap, and make safe the existing gas piping and gas-fired equipment as required for demolition

    214 Highland Ave · 0.21 mi E · Plumbing
    Sep 9not listed
16. New sprinklers systems installation - ADU

    22 Spring Hill Terr · 0.24 mi SE · New building
    Sep 8$4,500
17. New sprinklers systems installation main building

    24 Spring Hill Terr · 0.24 mi SE · Fire systems
    Sep 8$19,500
18. Replace bathroom fan with Panasonic bath fan and air cycler smart switch for weatherization work

    44 Hancock St · 0.25 mi NW · Electrical
    Sep 2$1,200
19. (Homeowner Permit) Repair front masonry stairs and landing

    61 Elm St · 0.24 mi SW · Fence, wall or deck
    Sep 1$46,000
20. BX Wiring Replacement (Partial House)

    103 Belmont St · 0.22 mi E · Electrical
    Aug 31$2,315
21. New Bathroom wiring(3rd floor)

    80 Hudson St · 0.24 mi E · Electrical
    Aug 27not listed
22. Residential weatherization/air sealing

    107 Belmont St · 0.23 mi E · Alteration or repair
    Aug 26$15,000
23. Install 5.72kW DC (13 panels) rooftop solar array

    45 Alpine St · 0.22 mi NE · Solar
    Aug 25$28,600
24. Foundation grounding

    54 Belmont St · 0.24 mi SE · Electrical
    Aug 17$500
25. Service Upgrade

    85 Lowell St · 0.23 mi SE · Electrical
    Aug 17$2,800
26. Residential weatherization/air sealing

    8 Albion Terr · 0.21 mi NE · Alteration or repair
    Aug 14$5,573
27. Rooftop solar installation 27 panels 12.150 kw dc

    73 Cherry St · 0.20 mi NW · Addition
    Aug 14$60,750
28. Installation of a ducted heat pump in the attic for the third floor apartment

    107 Belmont St · 0.23 mi E · Mechanical (HVAC)
    Aug 13$20,500
29. Remove existing Kitchen & Install New Kitchen (same location & footprint)

    55 Craigie St · 0.21 mi S · Alteration or repair
    Aug 12$12,000
30. Install a Fire alarm system

    27 Porter St · 0.20 mi S · Electrical
    Aug 11$10,000
31. Renovate/repair two (2) units' home as follow: Painting and repairs: Repair walls and ceilings

    80 Hudson St · 0.24 mi E · Alteration or repair
    Aug 10$113,015
32. Unit 3 apartment patch and paint electricians holes

    107 Belmont St · 0.23 mi E · Alteration or repair
    Aug 10$5,000
33. Strip and reroof approximately 2,800 square feet

    103 Belmont St · 0.22 mi E · Roofing
    Aug 5$27,800
34. Sign @ 151 Cedar St Blade Sign - 30" Dia x 2" Entrance Door Logo - 24" Dia White Vinyl Side Window Etchmark…

    2 Alpine St · 0.25 mi N · Sign
    Jul 31not listed
35. Rooftop solar installation 27 panels 12.150 kw dc

    73 Cherry St · 0.20 mi NW · Electrical
    Jul 28$28,340
36. Add Sub Panel, Range,Hood,Washer,Dryer

    55 Craigie St · 0.21 mi S · Electrical
    Jul 27$5,500
37. Install 5.72kW DC (13 panels) rooftop solar array

    45 Alpine St · 0.22 mi NE · Electrical
    Jul 22$15,009
38. 200amp service uipgrade

    38 Alpine St · 0.24 mi NE · Electrical
    Jul 21$5,500
39. Roof Replacement

    85 Hudson St · 0.23 mi E · Roofing
    Jul 16$15,400
40. Installation of new central heating and cooling system with gas furnace and AC

    3 Fairlee St · 0.22 mi NW · Mechanical (HVAC)
    Jul 14$25,000
41. Install 2 Ton Custom Comfort Heat Pump/Condenser at Ground Level on the Right Side of the House and Matching…

    49 Elm St · 0.24 mi SW · Alteration or repair
    Jul 7$14,634
42. Rewire Kitchen and Bath,add Sub panel

    55 Craigie St · 0.21 mi S · Electrical
    Jul 2$7,000
43. Install a sub panel,EV charger and load management system

    315 Highland Ave · 0.24 mi NW · Electrical
    Jul 2$3,500
44. Kitchen, laundry and bathroom for 3 floors

    214 Highland Ave · 0.21 mi E · Plumbing
    Jul 1not listed
45. Rewire 3rdfloor unit, front and back hallways and upgrade electrical service

    107 Belmont St · 0.23 mi E · Electrical
    Jun 29$10,000
46. Gas test

    147 Albion St · 0.20 mi NE · Plumbing
    Jun 26not listed
47. Replacement of a dishwasher

    9 Gilson Terr · 0.19 mi SW · Plumbing
    Jun 23not listed
48. City of Somerville - JFK Schoolyard Site Lighting

    75 Elm St · 0.20 mi W · Electrical
    Jun 23$35,000
49. Wire half bathroom and closet

    34 Alpine St · 0.24 mi NE · Electrical
    Jun 22$1,200
50. Mass Save Insulation

    7 Albion Terr · 0.20 mi E · Alteration or repair
    Jun 22$2,355
51. Service upgrade and home remodel

    13 Spring Hill Terr · 0.23 mi SE · Electrical
    Jun 16$20,000
52. WITHDRAWN PER APPLICANT SEE ATTACHED LETTER - JS 8/14/26 Residential weatherization/air sealing

    79 Hancock St · 0.24 mi NW · Alteration or repair
    Jun 16$2,000
53. Cottage Foundation: 112 I Albion St Permit to Construct B25-001067

    112 Albion St · 0.20 mi NE · New building
    Jun 11$40,000
54. Main Building Foundation: 112 F

    112 Albion St · 0.20 mi NE · New building
    Jun 11$60,000
55. Lot A Cottage Foundation: 112 D Albion St -See construction permit B25-001060

    112 Albion St · 0.20 mi NE · New building
    Jun 11$40,000
56. Installation of rooftop solar system

    5 Lexington Ave · 0.23 mi N · Electrical
    Jun 8$7,000
57. Bathroom remodel and laundry room plus section of underground waste pipe for the first floor bath and laundry

    34 Alpine St · 0.24 mi NE · Plumbing
    Jun 3not listed
58. Interior: Renovation of all three units

    214 Highland Ave · 0.21 mi E · Alteration or repair
    May 26$467,542
59. Epdm membrane replacement - back roof // tapered insulation 1/8" slope // post pitch pocket flashing

    36 Cherry St · 0.20 mi W · Alteration or repair
    May 21$7,937
60. New High Efficiency Heat pump with duct distribution system in attic feeding the second floor

    13 Spring Hill Terr · 0.23 mi SE · Mechanical (HVAC)
    May 20$34,835
61. 200A Upgrade for a 2 family and add public meter

    8 Albion Terr · 0.21 mi NE · Electrical
    May 19$8,000
62. Residential weatherization and air sealing with the Mass Save Program

    169 Albion St · 0.20 mi N · Alteration or repair
    May 18$3,426
63. Renovate an Existing 3 Family Building

    27 Porter St · 0.20 mi S · Alteration or repair
    May 14$1,325,000
64. Add half bath and closet for office to existing laundry room

    34 Alpine St · 0.24 mi NE · Alteration or repair
    May 10$19,900
65. Rewired the whole 2unit apartment

    27 Porter St · 0.20 mi S · Electrical
    May 5$38,000
66. Install plumbing for 3 units

    27 Porter St · 0.20 mi S · Plumbing
    May 4not listed

• 11 Mountain Ave newest permit Jun 3, 2026
• 9 Mountain Ave newest permit Nov 17, 2025
• 19 Mountain Ave newest permit Dec 31, 2025
• 3 Mountain Ave newest permit Sep 11, 2026

Somerville Inspectional Services Division updated its data Oct 7, 2026. We checked it Oct 7, 23:46 UTC. See the city's official records (SomerStat, City of Somerville, ODbL 1.0).

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL).

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near