19 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.

One permit here in the last two years. The newest, Dec 31, 2025: Weatherization, Insulation, Air sealing. Within a quarter mile, the city has issued 136 more permits (132 projects) since May 1. Six are for new buildings, the nearest 800 ft away.

The city's data portal didn't answer in time. "Here" shows our copy of the last two years, which we checked 2026-10-06 20:24 UTC. Data status

1. Weatherization, Insulation, Air sealing

   Alteration or repair
   Dec 31, 2025$4,361

1. New pressure-treated deck with helical pile foundation

   3 Mountain Ave · 180 ft SE · Alteration or repair
   Sep 11$12,300
2. Replace water heater × 2 permits

   11 Mountain Ave · 70 ft SE · Plumbing
   Jun 3not listed
3. Install 24 Harvey classic replacement window,energy star,inserts only,no structural work

   12 Francis St · 120 ft E · Alteration or repair
   Jun 1$18,720
4. 50ft trench, install 1 1/4 PVC pipe for future use for the garage

   8 Porter Ave · 240 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 · 650 ft NW · Alteration or repair
   Oct 5$3,600
2. Upgrade service from 100 to 200 amps Remove 1 meter

   74 Cedar St · 490 ft NW · Electrical
   Oct 2$3,100
3. Single-family dwelling renovation consisting of the removal of the existing chimney and infill and patching…

   26 Tower St · 800 ft SE · Alteration or repair
   Sep 29$91,125
4. Cap gas line for heat pump install

   78 Cedar St · 490 ft NW · Plumbing
   Sep 25not listed
5. Expletory demolition of walls, ceilings

   53 Cherry St · 880 ft NW · Alteration or repair
   Sep 23$25,000
6. (homeowner's permit) - remove existing flooring and replace with3/4 tongue and groove plywood

   9 Carver St · 950 ft S · Alteration or repair
   Sep 17$4,000
7. Kitchen renovation, partial chimney demo, two new skylights

   74 Cedar St · 490 ft NW · Alteration or repair
   Sep 8$43,500
8. New sprinklers systems installation

   36 Tower St · 820 ft SE · Fire systems
   Sep 8$18,000
9. Change 100amps service to 400amps service

   106 Hudson St · 940 ft E · Electrical
   Sep 3$10,000
10. Disconnect and make safe for removal all fixtures

    26 Tower St · 800 ft SE · Electrical
    Sep 2$1,000
11. Ductless mini split install

    70 Porter St · 350 ft S · Alteration or repair
    Sep 2$49,021
12. Residential weatherization/air sealing

    243 Summer St · 310 ft SW · Alteration or repair
    Aug 25$17,000
13. Rebuild existing rear exterior deck in the same location

    9 Brastow Ave · 910 ft SE · Alteration or repair
    Aug 24$31,135
14. Replace existing fossil fuel furnace with 4 ton air source heat pump

    75 Cedar St · 380 ft NW · Mechanical (HVAC)
    Aug 24$20,490
15. Rooftop solar installation 27 panels 12.150 kw dc

    73 Cherry St · 950 ft NW · Addition
    Aug 14$60,750
16. Deck light and outlet

    118 Cedar St · 840 ft N · Electrical
    Aug 7$1,000
17. Installation of 75kva transformer (Add to permit E23-001379)

    236 Highland Ave · 630 ft E · Electrical
    Aug 6$5,000
18. Replacement of 75 KVA Transformer

    236 Highland Ave · 630 ft E · Electrical
    Aug 6$5,000
19. I.E Install 38 double hung windows

    7 Ashland St · 770 ft W · Alteration or repair
    Aug 5$62,476
20. Electrical work- Take over of Permit # E22-000020

    241 Summer St · 310 ft SW · Electrical
    Aug 3$1,500
21. Residential weatherization/air sealing

    114 Cedar St · 800 ft N · Alteration or repair
    Aug 3$21,971
22. Gas boiler replacement

    152 Albion St · 850 ft NE · Plumbing
    Jul 30not listed
23. Replace front stairs and landing

    266 Summer St · 620 ft W · Alteration or repair
    Jul 29$11,850
24. New Construction 3 Unit Semi-Detached House FOUNDATION ONLY PERMIT B25-001623

    35 Cedar St · 800 ft SW · New building
    Jul 29$621,000
25. Rooftop solar installation 27 panels 12.150 kw dc

    73 Cherry St · 950 ft NW · Electrical
    Jul 28$28,340
26. Replace existing fossil fuel furnace with 4 ton air source heat pump

    75 Cedar St · 380 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 · 800 ft N · Solar
    Jul 24$44,000
28. Cottage Fire alarm

    156 Albion St · 850 ft NE · Electrical
    Jul 23$2,500
29. Install new low voltage fire alarm

    36 Tower St · 820 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 · 590 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 · 900 ft NW · Alteration or repair
    Jul 21$625,000
32. New rubber roof

    285 Highland Ave · 650 ft N · Roofing
    Jul 16$15,500
33. New dedicated circuits and receptacles for window ac unit to plug into

    100 Hudson St · 1,000 ft E · Electrical
    Jul 13$7,000
34. The installation of a PV solar project with 20 JA Solar (440W) on an existing pitched roof

    114 Cedar St · 800 ft N · Electrical
    Jul 9$34,329
35. Wiring 3 family

    57 Cherry St · 900 ft NW · Electrical
    Jul 8$25,000
36. Teardown and rebuild two story front porch

    118 Cedar St · 840 ft N · Alteration or repair
    Jun 29$45,000
37. Gas test

    147 Albion St · 970 ft NE · Plumbing
    Jun 26not listed
38. Install 3 HVAC systems

    36 Tower St · 820 ft SE · Mechanical (HVAC)
    Jun 11$46,000
39. Replace damaged liquid tite conduits

    236 Highland Ave · 630 ft E · Electrical
    Jun 11$1,000
40. 21 Windows and Siding Replacement Full replacement of all existing windows • Full replacement of all…

    40 Tower St · 810 ft SE · Roofing
    Jun 11$289,509
41. Mass Save Weatherization/Insulation × 2 permits

    106 Hudson St · 940 ft E · Alteration or repair
    Jun 11$8,502
42. Strip and re-roof

    164 Hudson St · 660 ft N · Roofing
    Jun 10$15,750
43. Remove exterior light fixtures and re-install them

    40 Tower St · 810 ft SE · Electrical
    Jun 9$1,000
44. Add electric car charger

    19 Hall St · 690 ft NW · Electrical
    Jun 9$400
45. Residential weatherization/air sealing

    271 Highland Ave · 530 ft N · Alteration or repair
    Jun 9$4,000
46. Verizon Wireless to replace (3) Wireless Panel Antenna's with (3) New Panel Antenna's w/integrated RRUs

    289 Highland Ave · 820 ft N · Alteration or repair
    May 27$80,000
47. Replace boiler × 2 permits

    241 Summer St · 310 ft SW · Plumbing
    May 22not listed
48. Ufer ground

    35 Cedar St · 800 ft SW · Electrical
    May 19$1,000
49. Ufer Ground

    33 Cedar St · 830 ft SW · Electrical
    May 19$1,000
50. Residential weatherization and air sealing with the Mass Save Program

    169 Albion St · 990 ft N · Alteration or repair
    May 18$3,426
51. Wire EV charger

    124 Lowell St · 980 ft SE · Electrical
    May 14$600
52. Wire electric stove, electric heater in front hall

    83 Cedar St · 390 ft NW · Electrical
    May 6$1,200

1. Permit for temporary service

   112 Albion St · 0.19 mi NE · Electrical
   Oct 5$1,500
2. Remodeling 1 full bathroom 2nd floor

   61 Hancock St · 0.21 mi NW · Plumbing
   Oct 1not listed
3. Replacement of Existing Hot Water Heater and Existing Cross Connection Device

   21 Cedar St · 0.19 mi SW · Plumbing
   Oct 1not listed
4. Replacement of Existing Boiler and Existing Hot Water Heater

   21 Cedar St · 0.19 mi SW · Plumbing
   Oct 1not listed
5. Wire a gas fed Trane furnace

   9 Fairlee St · 0.22 mi NW · Electrical
   Oct 1$800
6. Re-build a triple deck per existing footprint

   95 Lowell St · 0.23 mi SE · Alteration or repair
   Sep 29$55,000
7. Removal and Reinstallation of existing solar equipment due to roof being replaced

   103 Belmont St · 0.24 mi SE · Solar
   Sep 29$10,890
8. Supply & install (2) two systems with associated duct work

   214 Highland Ave · 0.21 mi E · Other
   Sep 28$50,225
9. Wiring 3 lighs and 3 receptacles for rebuild rear 3 stories porches

   95 Lowell St · 0.23 mi SE · Electrical
   Sep 28$2,000
10. Installation of replacement furnace

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

    35 Spencer Ave · 0.22 mi N · Alteration or repair
    Sep 24$10,660
12. Installation of a 42K BTU 5Zone Mitsubishi Ductless Branch Box System for Unit 3 207 Summer Street Somerville

    207 Summer St · 0.19 mi SE · Alteration or repair
    Sep 24$29,126
13. Necessary electrical for a Hvac Install and 400 amp upgrade

    21 Lexington Ave · 0.23 mi N · Electrical
    Sep 22$1,000
14. Installation of 50 amp tesla EV charger and energy management system

    19 Alpine St · 0.21 mi N · Electrical
    Sep 21$2,500
15. 400 amp service upgrade, basement lights, common area smokes/CO

    153 Lowell St · 0.20 mi SE · Electrical
    Sep 20$10,000
16. Removal and Reinstallation of existing solar equipment due to roof being replaced

    103 Belmont St · 0.24 mi SE · Electrical
    Sep 20$5,750
17. Rooftop solar installation 29 panels 13.340kw dc

    36 Cherry St · 0.19 mi W · Electrical
    Sep 14$35,203
18. Triple-decker Main Building Foundation: 112 A -Construction permit B25-001058

    112 Albion St · 0.19 mi NE · New building
    Sep 14$60,000
19. 1 bath at the 3 Floor

    80 Hudson St · 0.24 mi E · Plumbing
    Sep 9not listed
20. 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
21. Replace bathroom fan with Panasonic bath fan and air cycler smart switch for weatherization work

    44 Hancock St · 0.24 mi W · Electrical
    Sep 2$1,200
22. (Homeowner Permit) Repair front masonry stairs and landing

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

    103 Belmont St · 0.24 mi SE · Electrical
    Aug 31$2,315
24. New Bathroom wiring(3rd floor)

    80 Hudson St · 0.24 mi E · Electrical
    Aug 27not listed
25. Wiring replacement for a gas boiler

    21 Cedar St · 0.19 mi SW · Electrical
    Aug 27$500
26. Residential weatherization/air sealing

    107 Belmont St · 0.24 mi SE · Alteration or repair
    Aug 26$15,000
27. Install 5.72kW DC (13 panels) rooftop solar array

    45 Alpine St · 0.21 mi NE · Solar
    Aug 25$28,600
28. Install 8 replacement windows

    48 Spencer Ave · 0.24 mi NW · Alteration or repair
    Aug 19$8,715
29. 100 to 200 amp service upgrade

    50 Spencer Ave · 0.24 mi NW · Electrical
    Aug 17$8,500
30. Service Upgrade

    85 Lowell St · 0.25 mi SE · Electrical
    Aug 17$2,800
31. Residential weatherization/air sealing

    8 Albion Terr · 0.20 mi E · Alteration or repair
    Aug 14$5,573
32. Installation of a ducted heat pump in the attic for the third floor apartment

    107 Belmont St · 0.24 mi SE · Mechanical (HVAC)
    Aug 13$20,500
33. Remove existing Kitchen & Install New Kitchen (same location & footprint)

    55 Craigie St · 0.23 mi S · Alteration or repair
    Aug 12$12,000
34. Install a Fire alarm system

    27 Porter St · 0.22 mi S · Electrical
    Aug 11$10,000
35. 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
36. Unit 3 apartment patch and paint electricians holes

    107 Belmont St · 0.24 mi SE · Alteration or repair
    Aug 10$5,000
37. Strip and reroof approximately 2,800 square feet

    103 Belmont St · 0.24 mi SE · Roofing
    Aug 5$27,800
38. Residential weatherization/air sealing × 2 permits

    297 Summer St · 0.25 mi NW · Alteration or repair
    Jul 20 to Aug 3$18,000
39. Sign @ 151 Cedar St Blade Sign - 30" Dia x 2" Entrance Door Logo - 24" Dia White Vinyl Side Window Etchmark…

    2 Alpine St · 0.23 mi N · Sign
    Jul 31not listed
40. Remove and replace 1 entry door

    87 Alpine St · 0.25 mi NE · Alteration or repair
    Jul 30$3,458
41. Add Sub Panel, Range,Hood,Washer,Dryer

    55 Craigie St · 0.23 mi S · Electrical
    Jul 27$5,500
42. Install 5.72kW DC (13 panels) rooftop solar array

    45 Alpine St · 0.21 mi NE · Electrical
    Jul 22$15,009
43. 200amp service uipgrade

    38 Alpine St · 0.23 mi NE · Electrical
    Jul 21$5,500
44. Roof Replacement

    85 Hudson St · 0.24 mi E · Roofing
    Jul 16$15,400
45. Installation of new central heating and cooling system with gas furnace and AC

    3 Fairlee St · 0.20 mi NW · Mechanical (HVAC)
    Jul 14$25,000
46. Plumb tub, toilet and sink in third fl bathroom

    207 Summer St · 0.19 mi SE · Plumbing
    Jul 9not listed
47. Rewire Kitchen and Bath,add Sub panel

    55 Craigie St · 0.23 mi S · Electrical
    Jul 2$7,000
48. Install a sub panel,EV charger and load management system

    315 Highland Ave · 0.22 mi NW · Electrical
    Jul 2$3,500
49. Kitchen, laundry and bathroom for 3 floors

    214 Highland Ave · 0.21 mi E · Plumbing
    Jul 1not listed
50. Installation of (6) Double Hung Window Inserts

    87 Alpine St · 0.25 mi NE · Alteration or repair
    Jul 1$20,338
51. Rewire 3rdfloor unit, front and back hallways and upgrade electrical service

    107 Belmont St · 0.24 mi SE · Electrical
    Jun 29$10,000
52. Install 24 replacement windows

    21 Lexington Ave · 0.23 mi N · Alteration or repair
    Jun 28$54,435
53. Replacement of a dishwasher

    9 Gilson Terr · 0.20 mi SW · Plumbing
    Jun 23not listed
54. City of Somerville - JFK Schoolyard Site Lighting

    75 Elm St · 0.21 mi SW · Electrical
    Jun 23$35,000
55. Wire up bathroom

    207 Summer St · 0.19 mi SE · Electrical
    Jun 23$1,500
56. Wire half bathroom and closet

    34 Alpine St · 0.23 mi NE · Electrical
    Jun 22$1,200
57. Mass Save Insulation

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

    13 Spring Hill Terr · 0.25 mi SE · Electrical
    Jun 16$20,000
59. WITHDRAWN PER APPLICANT SEE ATTACHED LETTER - JS 8/14/26 Residential weatherization/air sealing

    79 Hancock St · 0.22 mi NW · Alteration or repair
    Jun 16$2,000
60. Cottage Foundation: 112 I Albion St Permit to Construct B25-001067

    112 Albion St · 0.19 mi NE · New building
    Jun 11$40,000
61. Main Building Foundation: 112 F

    112 Albion St · 0.19 mi NE · New building
    Jun 11$60,000
62. Lot A Cottage Foundation: 112 D Albion St -See construction permit B25-001060

    112 Albion St · 0.19 mi NE · New building
    Jun 11$40,000
63. Installation of rooftop solar system

    5 Lexington Ave · 0.21 mi N · Electrical
    Jun 8$7,000
64. Bathroom remodel and laundry room plus section of underground waste pipe for the first floor bath and laundry

    34 Alpine St · 0.23 mi NE · Plumbing
    Jun 3not listed
65. Interior: Renovation of all three units

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

    36 Cherry St · 0.19 mi W · Alteration or repair
    May 21$7,937
67. Remodel main bath unit 3

    207 Summer St · 0.19 mi SE · Alteration or repair
    May 21$26,000
68. New High Efficiency Heat pump with duct distribution system in attic feeding the second floor

    13 Spring Hill Terr · 0.25 mi SE · New building
    May 20$34,835
69. 200A Upgrade for a 2 family and add public meter

    8 Albion Terr · 0.20 mi E · Electrical
    May 19$8,000
70. B unit- Wire for new basement bedroom

    208 Summer St · 0.20 mi SE · Electrical
    May 19$35,000
71. Relocate the gas valve for the laundry in the basement

    208 Summer St · 0.20 mi SE · Plumbing
    May 14not listed
72. Renovate an Existing 3 Family Building

    27 Porter St · 0.22 mi S · Alteration or repair
    May 14$1,325,000
73. Residential weatherization/air sealing

    208 Summer St · 0.20 mi SE · Alteration or repair
    May 13$11,000
74. Add half bath and closet for office to existing laundry room

    34 Alpine St · 0.23 mi NE · Alteration or repair
    May 10$19,900
75. Rewired the whole 2unit apartment

    27 Porter St · 0.22 mi S · Electrical
    May 5$38,000
76. Install plumbing for 3 units

    27 Porter St · 0.22 mi S · Plumbing
    May 4not listed

• 12 Mountain Ave newest permit Jan 10, 2025
• 11 Mountain Ave newest permit Jun 3, 2026
• 9 Mountain Ave newest permit Nov 17, 2025
• 3 Mountain Ave newest permit Sep 11, 2026

Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 6, 20:24 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