# Building permits at 9 Mountain Ave, Somerville, MA

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

Four permits on record here. The newest, Nov 17, 2025: Insulation work as part of the MASS Save program. Within a quarter mile, the city has issued 139 more permits (136 projects) since May 1. Seven are for new buildings, the nearest 850 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Nov 17, 2025 | Alteration or repair | Insulation work as part of the MASS Save program. | $2,394 | [B25-002000](https://nearbypermits.com/somerville/permit/B25-002000/) |
| Jun 23, 2025 | Plumbing | Installing a Wiel-McLain 67,000 BTU boiler to replace existing and all associated plumbing work. | Not listed | [P25-000368](https://nearbypermits.com/somerville/permit/P25-000368/) |
| Jun 23, 2025 | Plumbing | Installing a Wiel-McLain 67,000 BTU boiler to replace existing and all associated gas work. | Not listed | [G25-000259](https://nearbypermits.com/somerville/permit/G25-000259/) |
| Jul 16, 2018 | Roofing | strip and reroof | $7,490 | [B18-001259](https://nearbypermits.com/somerville/permit/B18-001259/) |

## Within ¼ mi since May 1, 2026

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

### Next door (under 250 ft), 5 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | [3 Mountain Ave](https://nearbypermits.com/somerville/address/3-mountain-ave/) | 70 ft SE | Alteration or repair | New pressure-treated deck with helical pile foundation, Trex composite decking, PVC fascia, white railings, and stairs, including plans, permits, labor, materials, and disposal. Work completed per approved plans and code; final dimensions, colors, and unforeseen conditions may require changes. | $12,300 | [B26-001070](https://nearbypermits.com/somerville/permit/B26-001070/) |
| Jun 3, 2026 | [11 Mountain Ave](https://nearbypermits.com/somerville/address/11-mountain-ave/) | 35 ft NW | Plumbing | replace water heater | Not listed | [P26-000051](https://nearbypermits.com/somerville/permit/P26-000051/) |
| Jun 3, 2026 | [11 Mountain Ave](https://nearbypermits.com/somerville/address/11-mountain-ave/) | 35 ft NW | Plumbing | replace water heater | Not listed | [G26-000041](https://nearbypermits.com/somerville/permit/G26-000041/) |
| Jun 1, 2026 | [12 Francis St](https://nearbypermits.com/somerville/address/12-francis-st/) | 90 ft N | Alteration or repair | Install 24 Harvey classic replacement window,energy star,inserts only,no structural work | $18,720 | [B26-000763](https://nearbypermits.com/somerville/permit/B26-000763/) |
| May 14, 2026 | [8 Porter Ave](https://nearbypermits.com/somerville/address/8-porter-ave/) | 220 ft SW | Electrical | - 50ft trench, install 1 1/4 PVC pipe for future use for the garage, install (1) 20 amps circuit for patio outlets, Install (3) outlets, Install (12) low voltage landscape lights. | $2,600 | [E26-000697](https://nearbypermits.com/somerville/permit/E26-000697/) |

### This block (250 to 1,000 ft), 63 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | [112 Albion St](https://nearbypermits.com/somerville/address/112-albion-st/) | 950 ft NE | Electrical | Permit for temporary service | $1,500 | [E26-001458](https://nearbypermits.com/somerville/permit/E26-001458/) |
| Oct 5, 2026 | [15 Hall St](https://nearbypermits.com/somerville/address/15-hall-st/) | 760 ft NW | Alteration or repair | Replace 3 windows with same size windows in first floor unit of two family. Property is owner occupied. | $3,600 | [B26-001429](https://nearbypermits.com/somerville/permit/B26-001429/) |
| Oct 2, 2026 | [74 Cedar St](https://nearbypermits.com/somerville/address/74-cedar-st/) | 590 ft NW | Electrical | Upgrade service from 100 to 200 amps Remove 1 meter | $3,100 | [E26-001431](https://nearbypermits.com/somerville/permit/E26-001431/) |
| Sep 29, 2026 | [26 Tower St](https://nearbypermits.com/somerville/address/26-tower-st/) | 690 ft E | Alteration or repair | Single-family dwelling renovation consisting of the removal of the existing chimney and infill and patching of adjacent floors, walls, and ceilings as required. Renovate the second-floor bedroom, including removal of existing finishes, new plaster, and new interior trim. Install one replacement wind | $91,125 | [B26-001112](https://nearbypermits.com/somerville/permit/B26-001112/) |
| Sep 25, 2026 | [78 Cedar St](https://nearbypermits.com/somerville/address/78-cedar-st/) | 600 ft NW | Plumbing | Cap gas line for heat pump install | Not listed | [G26-000434](https://nearbypermits.com/somerville/permit/G26-000434/) |
| Sep 24, 2026 | [207 Summer St](https://nearbypermits.com/somerville/address/207-summer-st/) | 920 ft SE | Alteration or repair | installation of a 42K BTU 5Zone Mitsubishi Ductless Branch Box System for Unit 3 207 Summer Street Somerville. We will install one 18K BTU 1-way ceiling cassette in between the other room and Living Room. Installing an MHK2 Thermostat in the Living Room to control this area. Then install 1- 6K BTU 1 | $29,126 | [B26-000549](https://nearbypermits.com/somerville/permit/B26-000549/) |
| Sep 23, 2026 | [53 Cherry St](https://nearbypermits.com/somerville/address/53-cherry-st/) | 990 ft NW | Alteration or repair | Expletory demolition of walls, ceilings, windows, chimney removal, debris and siding removal to determine condition of structure of bearing and non bearing walls. | $25,000 | [B26-001483](https://nearbypermits.com/somerville/permit/B26-001483/) |
| Sep 20, 2026 | [153 Lowell St](https://nearbypermits.com/somerville/address/153-lowell-st/) | 930 ft SE | Electrical | 400 amp service upgrade, basement lights, common area smokes/CO. | $10,000 | [E26-001345](https://nearbypermits.com/somerville/permit/E26-001345/) |
| Sep 17, 2026 | [9 Carver St](https://nearbypermits.com/somerville/address/9-carver-st/) | 940 ft SW | Alteration or repair | (homeowner's permit) - remove existing flooring and replace with3/4 tongue and groove plywood | $4,000 | [B26-001428](https://nearbypermits.com/somerville/permit/B26-001428/) |
| Sep 14, 2026 | [112 Albion St](https://nearbypermits.com/somerville/address/112-albion-st/) | 950 ft NE | New building | Triple-decker Main Building Foundation: 112 A -Construction permit B25-001058 | $60,000 | [B25-001057](https://nearbypermits.com/somerville/permit/B25-001057/) |
| Sep 8, 2026 | [74 Cedar St](https://nearbypermits.com/somerville/address/74-cedar-st/) | 590 ft NW | Alteration or repair | Kitchen renovation, partial chimney demo, two new skylights | $43,500 | [B26-001382](https://nearbypermits.com/somerville/permit/B26-001382/) |
| Sep 8, 2026 | [36 Tower St](https://nearbypermits.com/somerville/address/36-tower-st/) | 710 ft SE | Fire systems | New sprinklers systems installation | $18,000 | [B26-001107](https://nearbypermits.com/somerville/permit/B26-001107/) |
| Sep 3, 2026 | [106 Hudson St](https://nearbypermits.com/somerville/address/106-hudson-st/) | 860 ft E | Electrical | Change 100amps service to 400amps service | $10,000 | [E26-001140](https://nearbypermits.com/somerville/permit/E26-001140/) |
| Sep 2, 2026 | [26 Tower St](https://nearbypermits.com/somerville/address/26-tower-st/) | 690 ft E | Electrical | -Disconnect and make safe for removal all fixtures, switches, and wiring within work areas. -Reconnect all previously removed fixtures upon | $1,000 | [E26-001276](https://nearbypermits.com/somerville/permit/E26-001276/) |
| Sep 2, 2026 | [70 Porter St](https://nearbypermits.com/somerville/address/70-porter-st/) | 300 ft S | Alteration or repair | Ductless mini split install | $49,021 | [B25-000186](https://nearbypermits.com/somerville/permit/B25-000186/) |
| Aug 25, 2026 | [243 Summer St](https://nearbypermits.com/somerville/address/243-summer-st/) | 330 ft SW | Alteration or repair | Residential weatherization/air sealing. No structural changes. ( 869437, 880892) ( Unit 1 and Unit 2) | $17,000 | [B26-001257](https://nearbypermits.com/somerville/permit/B26-001257/) |
| Aug 24, 2026 | [9 Brastow Ave](https://nearbypermits.com/somerville/address/9-brastow-ave/) | 810 ft SE | Alteration or repair | Rebuild existing rear exterior deck in the same location, footprint, layout, and size. Scope includes replacement of decking boards, railings, stair framing, and structural components as needed. No expansion, relocation, or change to the existing deck configuration is proposed. Work to be performed  | $31,135 | [B26-001244](https://nearbypermits.com/somerville/permit/B26-001244/) |
| Aug 24, 2026 | [75 Cedar St](https://nearbypermits.com/somerville/address/75-cedar-st/) | 490 ft NW | Mechanical (HVAC) | Replace existing fossil fuel furnace with 4 ton air source heat pump | $20,490 | [B26-001099](https://nearbypermits.com/somerville/permit/B26-001099/) |
| Aug 7, 2026 | [118 Cedar St](https://nearbypermits.com/somerville/address/118-cedar-st/) | 900 ft N | Electrical | Deck light and outlet | $1,000 | [E26-001149](https://nearbypermits.com/somerville/permit/E26-001149/) |
| Aug 6, 2026 | [236 Highland Ave](https://nearbypermits.com/somerville/address/236-highland-ave/) | 530 ft E | Electrical | Installation of 75kva transformer (Add to permit E23-001379) | $5,000 | [E26-001159](https://nearbypermits.com/somerville/permit/E26-001159/) |
| Aug 6, 2026 | [236 Highland Ave](https://nearbypermits.com/somerville/address/236-highland-ave/) | 530 ft E | Electrical | Replacement of 75 KVA Transformer | $5,000 | [E26-001158](https://nearbypermits.com/somerville/permit/E26-001158/) |
| Aug 5, 2026 | [7 Ashland St](https://nearbypermits.com/somerville/address/7-ashland-st/) | 870 ft W | Alteration or repair | I.E Install 38 double hung windows | $62,476 | [B26-000901](https://nearbypermits.com/somerville/permit/B26-000901/) |
| Aug 3, 2026 | [241 Summer St](https://nearbypermits.com/somerville/address/241-summer-st/) | 320 ft SW | Electrical | Electrical work- Take over of Permit # E22-000020 | $1,500 | [E25-001681](https://nearbypermits.com/somerville/permit/E25-001681/) |
| Aug 3, 2026 | [114 Cedar St](https://nearbypermits.com/somerville/address/114-cedar-st/) | 880 ft N | Alteration or repair | Residential weatherization/air sealing. No structural changes. ( 861375, 861376) ( Unit1 and Unit 2) | $21,971 | [B26-001036](https://nearbypermits.com/somerville/permit/B26-001036/) |
| Jul 30, 2026 | [152 Albion St](https://nearbypermits.com/somerville/address/152-albion-st/) | 850 ft NE | Plumbing | gas boiler replacement | Not listed | [G26-000051](https://nearbypermits.com/somerville/permit/G26-000051/) |
| Jul 29, 2026 | [266 Summer St](https://nearbypermits.com/somerville/address/266-summer-st/) | 720 ft W | Alteration or repair | Replace front stairs and landing | $11,850 | [B26-001022](https://nearbypermits.com/somerville/permit/B26-001022/) |
| Jul 29, 2026 | [35 Cedar St](https://nearbypermits.com/somerville/address/35-cedar-st/) | 850 ft SW | New building | New Construction 3 Unit Semi-Detached House FOUNDATION ONLY PERMIT B25-001623 | $621,000 | [B25-001528](https://nearbypermits.com/somerville/permit/B25-001528/) |
| Jul 27, 2026 | [75 Cedar St](https://nearbypermits.com/somerville/address/75-cedar-st/) | 490 ft NW | Electrical | Replace existing fossil fuel furnace with 4 ton air source heat pump | $4,000 | [E26-001012](https://nearbypermits.com/somerville/permit/E26-001012/) |
| Jul 24, 2026 | [114 Cedar St](https://nearbypermits.com/somerville/address/114-cedar-st/) | 880 ft N | Solar | The installation of a PV solar project with 20 JA Solar (440W) on an existing pitched roof, service update and meters relocation on two existing services located at 116 CEDAR ST 2 SOMERVILLE MA, 02144. 8.8Kwdc | $44,000 | [B26-000988](https://nearbypermits.com/somerville/permit/B26-000988/) |
| Jul 23, 2026 | [156 Albion St](https://nearbypermits.com/somerville/address/156-albion-st/) | 860 ft N | Electrical | Cottage Fire alarm | $2,500 | [E26-001028](https://nearbypermits.com/somerville/permit/E26-001028/) |
| Jul 21, 2026 | [36 Tower St](https://nearbypermits.com/somerville/address/36-tower-st/) | 710 ft SE | Electrical | Install new low voltage fire alarm | $8,500 | [E26-001043](https://nearbypermits.com/somerville/permit/E26-001043/) |
| Jul 21, 2026 | [96 Cedar St](https://nearbypermits.com/somerville/address/96-cedar-st/) | 690 ft NW | Alteration or repair | Remove and restrip with new asphalt roof - 39sq + remove and install 4 new skylights. @ 94 Cedar St | $52,411 | [B26-000876](https://nearbypermits.com/somerville/permit/B26-000876/) |
| Jul 16, 2026 | [285 Highland Ave](https://nearbypermits.com/somerville/address/285-highland-ave/) | 720 ft N | Roofing | new rubber roof | $15,500 | [B26-000963](https://nearbypermits.com/somerville/permit/B26-000963/) |
| Jul 13, 2026 | [100 Hudson St](https://nearbypermits.com/somerville/address/100-hudson-st/) | 910 ft E | Electrical | New dedicated circuits and receptacles for window ac unit to plug into | $7,000 | [E26-000988](https://nearbypermits.com/somerville/permit/E26-000988/) |
| Jul 9, 2026 | [207 Summer St](https://nearbypermits.com/somerville/address/207-summer-st/) | 920 ft SE | Plumbing | plumb tub, toilet and sink in third fl bathroom | Not listed | [P26-000398](https://nearbypermits.com/somerville/permit/P26-000398/) |
| Jul 9, 2026 | [114 Cedar St](https://nearbypermits.com/somerville/address/114-cedar-st/) | 880 ft N | Electrical | The installation of a PV solar project with 20 JA Solar (440W) on an existing pitched roof, service upgrade (from 100A to 200A) and on two existing services located at 116 CEDAR ST 2 SOMERVILLE MA, 02144. | $34,329 | [E26-000927](https://nearbypermits.com/somerville/permit/E26-000927/) |
| Jun 29, 2026 | [118 Cedar St](https://nearbypermits.com/somerville/address/118-cedar-st/) | 900 ft N | Alteration or repair | Teardown and rebuild two story front porch. No change to footprint. | $45,000 | [B26-000875](https://nearbypermits.com/somerville/permit/B26-000875/) |
| Jun 26, 2026 | [147 Albion St](https://nearbypermits.com/somerville/address/147-albion-st/) | 970 ft NE | Plumbing | gas test | Not listed | [G26-000307](https://nearbypermits.com/somerville/permit/G26-000307/) |
| Jun 23, 2026 | [207 Summer St](https://nearbypermits.com/somerville/address/207-summer-st/) | 920 ft SE | Electrical | Wire up bathroom | $1,500 | [E26-000721](https://nearbypermits.com/somerville/permit/E26-000721/) |
| Jun 22, 2026 | [7 Albion Terr](https://nearbypermits.com/somerville/address/7-albion-terr/) | 1,000 ft E | Alteration or repair | Mass Save Insulation | $2,355 | [B26-000815](https://nearbypermits.com/somerville/permit/B26-000815/) |
| Jun 11, 2026 | [36 Tower St](https://nearbypermits.com/somerville/address/36-tower-st/) | 710 ft SE | Mechanical (HVAC) | Install 3 HVAC systems. 1 located in the basement with 2 zones, 1 located on 2nd floor, and 1 located in the attic. | $46,000 | [SM26-000096](https://nearbypermits.com/somerville/permit/SM26-000096/) |
| Jun 11, 2026 | [236 Highland Ave](https://nearbypermits.com/somerville/address/236-highland-ave/) | 530 ft E | Electrical | Replace damaged liquid tite conduits | $1,000 | [E26-000841](https://nearbypermits.com/somerville/permit/E26-000841/) |
| Jun 11, 2026 | [40 Tower St](https://nearbypermits.com/somerville/address/40-tower-st/) | 700 ft SE | Roofing | 21 Windows and Siding Replacement Full replacement of all existing windows • Full replacement of all exterior doors • Full siding replacement • New exterior trim as required • New gutters and downspouts • Weatherproofing, flashing, and exterior envelope integration • Targeted rot repair  | $289,509 | [B26-000766](https://nearbypermits.com/somerville/permit/B26-000766/) |
| Jun 11, 2026 | [106 Hudson St](https://nearbypermits.com/somerville/address/106-hudson-st/) | 860 ft E | Alteration or repair | Mass Save Weatherization/Insulation. Work Scope Attached | $3,905 | [B26-000597](https://nearbypermits.com/somerville/permit/B26-000597/) |
| Jun 11, 2026 | [106 Hudson St](https://nearbypermits.com/somerville/address/106-hudson-st/) | 860 ft E | Alteration or repair | Mass Save Weatherization/Insulation. Work Scope Attached | $4,597 | [B26-000596](https://nearbypermits.com/somerville/permit/B26-000596/) |
| Jun 11, 2026 | [112 Albion St](https://nearbypermits.com/somerville/address/112-albion-st/) | 950 ft NE | New building | Cottage Foundation: 112 I Albion St Permit to Construct B25-001067 | $40,000 | [B25-001066](https://nearbypermits.com/somerville/permit/B25-001066/) |
| Jun 11, 2026 | [112 Albion St](https://nearbypermits.com/somerville/address/112-albion-st/) | 950 ft NE | New building | Main Building Foundation: 112 F, G, and H Albion St Permit to Construct B25-001065 | $60,000 | [B25-001064](https://nearbypermits.com/somerville/permit/B25-001064/) |
| Jun 11, 2026 | [112 Albion St](https://nearbypermits.com/somerville/address/112-albion-st/) | 950 ft NE | New building | Lot A Cottage Foundation: 112 D Albion St -See construction permit B25-001060 | $40,000 | [B25-001059](https://nearbypermits.com/somerville/permit/B25-001059/) |
| Jun 10, 2026 | [164 Hudson St](https://nearbypermits.com/somerville/address/164-hudson-st/) | 690 ft N | Roofing | strip and re-roof | $15,750 | [B26-000761](https://nearbypermits.com/somerville/permit/B26-000761/) |
| Jun 9, 2026 | [40 Tower St](https://nearbypermits.com/somerville/address/40-tower-st/) | 700 ft SE | Electrical | Remove exterior light fixtures and re-install them. | $1,000 | [E26-000813](https://nearbypermits.com/somerville/permit/E26-000813/) |
| Jun 9, 2026 | [19 Hall St](https://nearbypermits.com/somerville/address/19-hall-st/) | 790 ft NW | Electrical | Add electric car charger | $400 | [E26-000124](https://nearbypermits.com/somerville/permit/E26-000124/) |
| Jun 9, 2026 | [271 Highland Ave](https://nearbypermits.com/somerville/address/271-highland-ave/) | 560 ft N | Alteration or repair | Residential weatherization/air sealing. No structural changes. ( 863614) ( Unit 3) | $4,000 | [B26-000774](https://nearbypermits.com/somerville/permit/B26-000774/) |
| May 27, 2026 | [289 Highland Ave](https://nearbypermits.com/somerville/address/289-highland-ave/) | 900 ft NW | Alteration or repair | Verizon Wireless to replace (3) Wireless Panel Antenna's with (3) New Panel Antenna's w/integrated RRUs, within the stealth enclosurres. | $80,000 | [B26-000445](https://nearbypermits.com/somerville/permit/B26-000445/) |
| May 22, 2026 | [241 Summer St](https://nearbypermits.com/somerville/address/241-summer-st/) | 320 ft SW | Plumbing | Replace boiler | Not listed | [P26-000303](https://nearbypermits.com/somerville/permit/P26-000303/) |
| May 22, 2026 | [241 Summer St](https://nearbypermits.com/somerville/address/241-summer-st/) | 320 ft SW | Plumbing | Replace boiler | Not listed | [G26-000250](https://nearbypermits.com/somerville/permit/G26-000250/) |
| May 21, 2026 | [207 Summer St](https://nearbypermits.com/somerville/address/207-summer-st/) | 920 ft SE | Alteration or repair | Remodel main bath unit 3 | $26,000 | [B26-000579](https://nearbypermits.com/somerville/permit/B26-000579/) |
| May 19, 2026 | [35 Cedar St](https://nearbypermits.com/somerville/address/35-cedar-st/) | 850 ft SW | Electrical | Ufer ground | $1,000 | [E26-000676](https://nearbypermits.com/somerville/permit/E26-000676/) |
| May 19, 2026 | [33 Cedar St](https://nearbypermits.com/somerville/address/33-cedar-st/) | 880 ft SW | Electrical | Ufer Ground | $1,000 | [E26-000675](https://nearbypermits.com/somerville/permit/E26-000675/) |
| May 19, 2026 | [208 Summer St](https://nearbypermits.com/somerville/address/208-summer-st/) | 990 ft SE | Electrical | B unit- Wire for new basement bedroom, kitchen, bathroom, hardwired smoke and co to code. A unit- Hardwired smoke and co to code. Upgrade service to 200A | $35,000 | [E26-000452](https://nearbypermits.com/somerville/permit/E26-000452/) |
| May 14, 2026 | [208 Summer St](https://nearbypermits.com/somerville/address/208-summer-st/) | 990 ft SE | Plumbing | Relocate the gas valve for the laundry in the basement. And add first floor gas stove | Not listed | [G26-000238](https://nearbypermits.com/somerville/permit/G26-000238/) |
| May 14, 2026 | [124 Lowell St](https://nearbypermits.com/somerville/address/124-lowell-st/) | 880 ft SE | Electrical | Wire EV charger | $600 | [E25-001970](https://nearbypermits.com/somerville/permit/E25-001970/) |
| May 13, 2026 | [208 Summer St](https://nearbypermits.com/somerville/address/208-summer-st/) | 990 ft SE | Alteration or repair | Residential weatherization/air sealing. No structural changes. (Site ID's: 864042, 864044) | $11,000 | [B26-000641](https://nearbypermits.com/somerville/permit/B26-000641/) |
| May 6, 2026 | [83 Cedar St](https://nearbypermits.com/somerville/address/83-cedar-st/) | 490 ft NW | Electrical | wire electric stove, electric heater in front hall, bathroom heater outlet | $1,200 | [E26-000636](https://nearbypermits.com/somerville/permit/E26-000636/) |

### Farther (1,000 ft to ¼ mi), 71 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | [61 Hancock St](https://nearbypermits.com/somerville/address/61-hancock-st/) | 0.23 mi NW | Plumbing | remodeling 1 full bathroom 2nd floor | Not listed | [P26-000579](https://nearbypermits.com/somerville/permit/P26-000579/) |
| Oct 1, 2026 | [21 Cedar St](https://nearbypermits.com/somerville/address/21-cedar-st/) | 0.20 mi SW | Plumbing | Replacement of Existing Hot Water Heater and Existing Cross Connection Device. | Not listed | [P26-000539](https://nearbypermits.com/somerville/permit/P26-000539/) |
| Oct 1, 2026 | [21 Cedar St](https://nearbypermits.com/somerville/address/21-cedar-st/) | 0.20 mi SW | Plumbing | Replacement of Existing Boiler and Existing Hot Water Heater. | Not listed | [G26-000421](https://nearbypermits.com/somerville/permit/G26-000421/) |
| Oct 1, 2026 | [9 Fairlee St](https://nearbypermits.com/somerville/address/9-fairlee-st/) | 0.24 mi NW | Electrical | Wire a gas fed Trane furnace. | $800 | [E26-001441](https://nearbypermits.com/somerville/permit/E26-001441/) |
| Sep 29, 2026 | [95 Lowell St](https://nearbypermits.com/somerville/address/95-lowell-st/) | 0.22 mi SE | Alteration or repair | Re-build a triple deck per existing footprint | $55,000 | [B26-001364](https://nearbypermits.com/somerville/permit/B26-001364/) |
| Sep 29, 2026 | [103 Belmont St](https://nearbypermits.com/somerville/address/103-belmont-st/) | 0.22 mi SE | Solar | Removal and Reinstallation of existing solar equipment due to roof being replaced | $10,890 | [B26-001341](https://nearbypermits.com/somerville/permit/B26-001341/) |
| Sep 28, 2026 | [214 Highland Ave](https://nearbypermits.com/somerville/address/214-highland-ave/) | 0.20 mi E | Other | Supply & install (2) two systems with associated duct work | $50,225 | [SM26-000051](https://nearbypermits.com/somerville/permit/SM26-000051/) |
| Sep 28, 2026 | [95 Lowell St](https://nearbypermits.com/somerville/address/95-lowell-st/) | 0.22 mi SE | Electrical | Wiring 3 lighs and 3 receptacles for rebuild rear 3 stories porches | $2,000 | [E26-001410](https://nearbypermits.com/somerville/permit/E26-001410/) |
| Sep 24, 2026 | [35 Spencer Ave](https://nearbypermits.com/somerville/address/35-spencer-ave/) | 0.24 mi NW | Alteration or repair | Garage EPDM Roof installation at the rear of the house. | $10,660 | [B26-001361](https://nearbypermits.com/somerville/permit/B26-001361/) |
| Sep 22, 2026 | [21 Lexington Ave](https://nearbypermits.com/somerville/address/21-lexington-ave/) | 0.25 mi N | Electrical | Necessary electrical for a Hvac Install and 400 amp upgrade | $1,000 | [E26-001044](https://nearbypermits.com/somerville/permit/E26-001044/) |
| Sep 21, 2026 | [19 Alpine St](https://nearbypermits.com/somerville/address/19-alpine-st/) | 0.21 mi N | Electrical | Installation of 50 amp tesla EV charger and energy management system | $2,500 | [E26-001340](https://nearbypermits.com/somerville/permit/E26-001340/) |
| Sep 20, 2026 | [103 Belmont St](https://nearbypermits.com/somerville/address/103-belmont-st/) | 0.22 mi SE | Electrical | Removal and Reinstallation of existing solar equipment due to roof being replaced | $5,750 | [E26-001235](https://nearbypermits.com/somerville/permit/E26-001235/) |
| Sep 14, 2026 | [36 Cherry St](https://nearbypermits.com/somerville/address/36-cherry-st/) | 0.21 mi W | Electrical | Rooftop solar installation 29 panels 13.340kw dc | $35,203 | [E26-001316](https://nearbypermits.com/somerville/permit/E26-001316/) |
| Sep 9, 2026 | [80 Hudson St](https://nearbypermits.com/somerville/address/80-hudson-st/) | 0.23 mi E | Plumbing | 1 bath at the 3 Floor | Not listed | [P26-000523](https://nearbypermits.com/somerville/permit/P26-000523/) |
| Sep 9, 2026 | [214 Highland Ave](https://nearbypermits.com/somerville/address/214-highland-ave/) | 0.20 mi E | Plumbing | Disconnect, cap, and make safe the existing gas piping and gas-fired equipment as required for demolition. | Not listed | [G26-000413](https://nearbypermits.com/somerville/permit/G26-000413/) |
| Sep 8, 2026 | [73 Hudson St](https://nearbypermits.com/somerville/address/73-hudson-st/) | 0.25 mi E | Roofing | Shingle Roofing Replacement 15 sq // EPDM Membrane Replacement 02 sq // Carpentry - Frame reinforcement Install new hangers supporting frame repair (4 units of new 2" x 10" hangers) // Carpentry - Metal wrap | $19,367 | [B26-001418](https://nearbypermits.com/somerville/permit/B26-001418/) |
| Sep 8, 2026 | [22 Spring Hill Terr](https://nearbypermits.com/somerville/address/22-spring-hill-terr/) | 0.23 mi SE | New building | New sprinklers systems installation - ADU | $4,500 | [B26-001335](https://nearbypermits.com/somerville/permit/B26-001335/) |
| Sep 8, 2026 | [24 Spring Hill Terr](https://nearbypermits.com/somerville/address/24-spring-hill-terr/) | 0.23 mi SE | Fire systems | New sprinklers systems installation main building | $19,500 | [B26-001048](https://nearbypermits.com/somerville/permit/B26-001048/) |
| Aug 31, 2026 | [103 Belmont St](https://nearbypermits.com/somerville/address/103-belmont-st/) | 0.22 mi SE | Electrical | BX Wiring Replacement (Partial House) | $2,315 | [E26-001243](https://nearbypermits.com/somerville/permit/E26-001243/) |
| Aug 27, 2026 | [80 Hudson St](https://nearbypermits.com/somerville/address/80-hudson-st/) | 0.23 mi E | Electrical | New Bathroom wiring(3rd floor) | Not listed | [E26-001272](https://nearbypermits.com/somerville/permit/E26-001272/) |
| Aug 27, 2026 | [21 Cedar St](https://nearbypermits.com/somerville/address/21-cedar-st/) | 0.20 mi SW | Electrical | Wiring replacement for a gas boiler. | $500 | [E26-001239](https://nearbypermits.com/somerville/permit/E26-001239/) |
| Aug 26, 2026 | [107 Belmont St](https://nearbypermits.com/somerville/address/107-belmont-st/) | 0.22 mi E | Alteration or repair | Residential weatherization/air sealing. No structural changes. ( 867933, 867931) ( Unit 1 and unit 2) | $15,000 | [B26-001041](https://nearbypermits.com/somerville/permit/B26-001041/) |
| Aug 25, 2026 | [45 Alpine St](https://nearbypermits.com/somerville/address/45-alpine-st/) | 0.21 mi NE | Solar | Install 5.72kW DC (13 panels) rooftop solar array | $28,600 | [B26-001126](https://nearbypermits.com/somerville/permit/B26-001126/) |
| Aug 17, 2026 | [54 Belmont St](https://nearbypermits.com/somerville/address/54-belmont-st/) | 0.24 mi S | Electrical | foundation grounding | $500 | [E26-001210](https://nearbypermits.com/somerville/permit/E26-001210/) |
| Aug 17, 2026 | [85 Lowell St](https://nearbypermits.com/somerville/address/85-lowell-st/) | 0.23 mi S | Electrical | Service Upgrade | $2,800 | [E26-000996](https://nearbypermits.com/somerville/permit/E26-000996/) |
| Aug 14, 2026 | [8 Albion Terr](https://nearbypermits.com/somerville/address/8-albion-terr/) | 0.19 mi NE | Alteration or repair | Residential weatherization/air sealing. No structural changes. ( 871467, 867899) ( Unit 1 and Unit 2) | $5,573 | [B26-001123](https://nearbypermits.com/somerville/permit/B26-001123/) |
| Aug 14, 2026 | [73 Cherry St](https://nearbypermits.com/somerville/address/73-cherry-st/) | 0.20 mi NW | Addition | Rooftop solar installation 27 panels 12.150 kw dc | $60,750 | [B26-001105](https://nearbypermits.com/somerville/permit/B26-001105/) |
| Aug 13, 2026 | [107 Belmont St](https://nearbypermits.com/somerville/address/107-belmont-st/) | 0.22 mi E | Mechanical (HVAC) | Installation of a ducted heat pump in the attic for the third floor apartment. | $20,500 | [SM26-000148](https://nearbypermits.com/somerville/permit/SM26-000148/) |
| Aug 12, 2026 | [55 Craigie St](https://nearbypermits.com/somerville/address/55-craigie-st/) | 0.22 mi S | Alteration or repair | Remove existing Kitchen & Install New Kitchen (same location & footprint) | $12,000 | [B26-001147](https://nearbypermits.com/somerville/permit/B26-001147/) |
| Aug 11, 2026 | [27 Porter St](https://nearbypermits.com/somerville/address/27-porter-st/) | 0.21 mi S | Electrical | Install a Fire alarm system | $10,000 | [E26-001111](https://nearbypermits.com/somerville/permit/E26-001111/) |
| Aug 10, 2026 | [80 Hudson St](https://nearbypermits.com/somerville/address/80-hudson-st/) | 0.23 mi E | Alteration or repair | Renovate/repair two (2) units' home as follow: Painting and repairs: Repair walls and ceilings, including smooth ceiling surfaces. Replace /repair trims. Frame chase for pipes. Prepare and paint all the walls and ceilings throughout the house. Unit #1: -Kitchen - replace cabinets, remove drop ceilin | $113,015 | [B26-001093](https://nearbypermits.com/somerville/permit/B26-001093/) |
| Aug 10, 2026 | [107 Belmont St](https://nearbypermits.com/somerville/address/107-belmont-st/) | 0.22 mi E | Alteration or repair | unit 3 apartment patch and paint electricians holes, and hvac contractor holes | $5,000 | [B26-000939](https://nearbypermits.com/somerville/permit/B26-000939/) |
| Aug 5, 2026 | [103 Belmont St](https://nearbypermits.com/somerville/address/103-belmont-st/) | 0.22 mi SE | Roofing | strip and reroof approximately 2,800 square feet | $27,800 | [B26-001155](https://nearbypermits.com/somerville/permit/B26-001155/) |
| Aug 3, 2026 | [8 Spring Hill Terr](https://nearbypermits.com/somerville/address/8-spring-hill-terr/) | 0.24 mi E | Addition | Underpin foundation, finish basement, replace some windows and doors, new siding and roofing, construct deck and pergola above garage. | $800,000 | [B26-000846](https://nearbypermits.com/somerville/permit/B26-000846/) |
| Jul 31, 2026 | [2 Alpine St](https://nearbypermits.com/somerville/address/2-alpine-st/) | 0.24 mi N | Sign | sign @ 151 Cedar St Blade Sign - 30" Dia x 2" Entrance Door Logo - 24" Dia White Vinyl Side Window Etchmark Vinyl - (7) Windows at Various Sizes | Not listed | [B26-001129](https://nearbypermits.com/somerville/permit/B26-001129/) |
| Jul 30, 2026 | [87 Alpine St](https://nearbypermits.com/somerville/address/87-alpine-st/) | 0.24 mi NE | Alteration or repair | Remove and replace 1 entry door. Like size and no structural changes. | $3,458 | [B26-001119](https://nearbypermits.com/somerville/permit/B26-001119/) |
| Jul 28, 2026 | [73 Cherry St](https://nearbypermits.com/somerville/address/73-cherry-st/) | 0.20 mi NW | Electrical | Rooftop solar installation 27 panels 12.150 kw dc | $28,340 | [E26-001014](https://nearbypermits.com/somerville/permit/E26-001014/) |
| Jul 27, 2026 | [55 Craigie St](https://nearbypermits.com/somerville/address/55-craigie-st/) | 0.22 mi S | Electrical | Add Sub Panel, Range,Hood,Washer,Dryer | $5,500 | [E26-001079](https://nearbypermits.com/somerville/permit/E26-001079/) |
| Jul 22, 2026 | [45 Alpine St](https://nearbypermits.com/somerville/address/45-alpine-st/) | 0.21 mi NE | Electrical | Install 5.72kW DC (13 panels) rooftop solar array | $15,009 | [E26-001029](https://nearbypermits.com/somerville/permit/E26-001029/) |
| Jul 21, 2026 | [38 Alpine St](https://nearbypermits.com/somerville/address/38-alpine-st/) | 0.23 mi NE | Electrical | 200amp service uipgrade | $5,500 | [E26-000637](https://nearbypermits.com/somerville/permit/E26-000637/) |
| Jul 21, 2026 | [57 Cherry St](https://nearbypermits.com/somerville/address/57-cherry-st/) | 0.19 mi NW | Alteration or repair | A gut rehab of an existing 2-unit residential house to a 3-unit residential house. Unit-1 will consist of 3 bedrooms with 2 of the bedrooms in basement and one bedroom on the 1st floor. Unit-2 will consist of 2 bedrroms and Unit-3 will consist of 2 bedrooms. | $625,000 | [B26-000554](https://nearbypermits.com/somerville/permit/B26-000554/) |
| Jul 16, 2026 | [85 Hudson St](https://nearbypermits.com/somerville/address/85-hudson-st/) | 0.22 mi E | Roofing | Roof Replacement | $15,400 | [B26-000940](https://nearbypermits.com/somerville/permit/B26-000940/) |
| Jul 14, 2026 | [3 Fairlee St](https://nearbypermits.com/somerville/address/3-fairlee-st/) | 0.22 mi NW | Mechanical (HVAC) | Installation of new central heating and cooling system with gas furnace and AC. | $25,000 | [SM26-000103](https://nearbypermits.com/somerville/permit/SM26-000103/) |
| Jul 8, 2026 | [57 Cherry St](https://nearbypermits.com/somerville/address/57-cherry-st/) | 0.19 mi NW | Electrical | Wiring 3 family | $25,000 | [E26-000866](https://nearbypermits.com/somerville/permit/E26-000866/) |
| Jul 6, 2026 | [79 Hudson St](https://nearbypermits.com/somerville/address/79-hudson-st/) | 0.24 mi E | Electrical | Bringing kitchen up to code. Adding two dedicated small appliance circuits. Adding a dishwasher circuit and a circuit for a hood. | $3,500 | [E26-000953](https://nearbypermits.com/somerville/permit/E26-000953/) |
| Jul 2, 2026 | [55 Craigie St](https://nearbypermits.com/somerville/address/55-craigie-st/) | 0.22 mi S | Electrical | Rewire Kitchen and Bath,add Sub panel | $7,000 | [E26-000941](https://nearbypermits.com/somerville/permit/E26-000941/) |
| Jul 2, 2026 | [315 Highland Ave](https://nearbypermits.com/somerville/address/315-highland-ave/) | 0.24 mi NW | Electrical | Install a sub panel,EV charger and load management system. | $3,500 | [E26-000933](https://nearbypermits.com/somerville/permit/E26-000933/) |
| Jul 1, 2026 | [214 Highland Ave](https://nearbypermits.com/somerville/address/214-highland-ave/) | 0.20 mi E | Plumbing | Kitchen, laundry and bathroom for 3 floors | Not listed | [P26-000351](https://nearbypermits.com/somerville/permit/P26-000351/) |
| Jul 1, 2026 | [87 Alpine St](https://nearbypermits.com/somerville/address/87-alpine-st/) | 0.24 mi NE | Alteration or repair | Installation of (6) Double Hung Window Inserts | $20,338 | [B26-000899](https://nearbypermits.com/somerville/permit/B26-000899/) |
| Jun 29, 2026 | [107 Belmont St](https://nearbypermits.com/somerville/address/107-belmont-st/) | 0.22 mi E | Electrical | rewire 3rdfloor unit, front and back hallways and upgrade electrical service | $10,000 | [E26-000884](https://nearbypermits.com/somerville/permit/E26-000884/) |
| Jun 28, 2026 | [21 Lexington Ave](https://nearbypermits.com/somerville/address/21-lexington-ave/) | 0.25 mi N | Alteration or repair | install 24 replacement windows. no structural changes. stairway window is tempered. | $54,435 | [B26-000884](https://nearbypermits.com/somerville/permit/B26-000884/) |
| Jun 23, 2026 | [9 Gilson Terr](https://nearbypermits.com/somerville/address/9-gilson-terr/) | 0.21 mi SW | Plumbing | replacement of a dishwasher | Not listed | [P26-000348](https://nearbypermits.com/somerville/permit/P26-000348/) |
| Jun 23, 2026 | [75 Elm St](https://nearbypermits.com/somerville/address/75-elm-st/) | 0.22 mi W | Electrical | City of Somerville - JFK Schoolyard Site Lighting | $35,000 | [E26-000867](https://nearbypermits.com/somerville/permit/E26-000867/) |
| Jun 22, 2026 | [34 Alpine St](https://nearbypermits.com/somerville/address/34-alpine-st/) | 0.23 mi NE | Electrical | wire half bathroom and closet | $1,200 | [E26-000872](https://nearbypermits.com/somerville/permit/E26-000872/) |
| Jun 16, 2026 | [13 Spring Hill Terr](https://nearbypermits.com/somerville/address/13-spring-hill-terr/) | 0.23 mi SE | Electrical | Service upgrade and home remodel | $20,000 | [E26-000542](https://nearbypermits.com/somerville/permit/E26-000542/) |
| Jun 16, 2026 | [79 Hancock St](https://nearbypermits.com/somerville/address/79-hancock-st/) | 0.24 mi NW | Alteration or repair | WITHDRAWN PER APPLICANT SEE ATTACHED LETTER - JS 8/14/26 Residential weatherization/air sealing. No structural changes. ( 855873) ( Unit 79) | $2,000 | [B26-000810](https://nearbypermits.com/somerville/permit/B26-000810/) |
| Jun 8, 2026 | [5 Lexington Ave](https://nearbypermits.com/somerville/address/5-lexington-ave/) | 0.22 mi N | Electrical | Installation of rooftop solar system | $7,000 | [E26-000812](https://nearbypermits.com/somerville/permit/E26-000812/) |
| Jun 4, 2026 | [97 Alpine St](https://nearbypermits.com/somerville/address/97-alpine-st/) | 0.25 mi NE | Alteration or repair | Removal of chimney, removal of misc. walls on 1st kitchen area. interior demo only of single family dwelling | $10,000 | [B26-000609](https://nearbypermits.com/somerville/permit/B26-000609/) |
| Jun 3, 2026 | [34 Alpine St](https://nearbypermits.com/somerville/address/34-alpine-st/) | 0.23 mi NE | Plumbing | bathroom remodel and laundry room plus section of underground waste pipe for the first floor bath and laundry | Not listed | [P26-000320](https://nearbypermits.com/somerville/permit/P26-000320/) |
| Jun 3, 2026 | [97 Alpine St](https://nearbypermits.com/somerville/address/97-alpine-st/) | 0.25 mi NE | Electrical | 100 amp to 200 amp service upgrade-2 bath and 1 kitchen rehab w/ living space in bsmnt | $8,000 | [E26-000798](https://nearbypermits.com/somerville/permit/E26-000798/) |
| May 26, 2026 | [97 Alpine St](https://nearbypermits.com/somerville/address/97-alpine-st/) | 0.25 mi NE | Electrical | Demo make safe | $300 | [E26-000731](https://nearbypermits.com/somerville/permit/E26-000731/) |
| May 26, 2026 | [214 Highland Ave](https://nearbypermits.com/somerville/address/214-highland-ave/) | 0.20 mi E | Alteration or repair | Interior: Renovation of all three units, including kitchens, bathrooms, and finishes. Reconfiguration of walls remains below 50% of the building area, adhering to IEBC Level 2 standards. Bathroom fixtures will be replaced per IEBC Level 1 standards. Unit Changes: Unit 1 will convert a closet into an | $467,542 | [B26-000369](https://nearbypermits.com/somerville/permit/B26-000369/) |
| May 21, 2026 | [36 Cherry St](https://nearbypermits.com/somerville/address/36-cherry-st/) | 0.21 mi W | Alteration or repair | Epdm membrane replacement - back roof // tapered insulation 1/8" slope // post pitch pocket flashing | $7,937 | [B26-000693](https://nearbypermits.com/somerville/permit/B26-000693/) |
| May 20, 2026 | [13 Spring Hill Terr](https://nearbypermits.com/somerville/address/13-spring-hill-terr/) | 0.23 mi SE | New building | New High Efficiency Heat pump with duct distribution system in attic feeding the second floor. Modify existing duct system in basement to allow for changes in layout for the basement and first floor | $34,835 | [SM26-000083](https://nearbypermits.com/somerville/permit/SM26-000083/) |
| May 19, 2026 | [8 Albion Terr](https://nearbypermits.com/somerville/address/8-albion-terr/) | 0.19 mi NE | Electrical | 200A Upgrade for a 2 family and add public meter. Laundry circuit, Dryer circuit | $8,000 | [E26-000705](https://nearbypermits.com/somerville/permit/E26-000705/) |
| May 18, 2026 | [169 Albion St](https://nearbypermits.com/somerville/address/169-albion-st/) | 0.19 mi N | Alteration or repair | Residential weatherization and air sealing with the Mass Save Program. No structural changes. | $3,426 | [B26-000591](https://nearbypermits.com/somerville/permit/B26-000591/) |
| May 14, 2026 | [27 Porter St](https://nearbypermits.com/somerville/address/27-porter-st/) | 0.21 mi S | Alteration or repair | Renovate an Existing 3 Family Building. Total gut/demo of 2 front units. New MEP, Framing, underpinning foundation. Reconfigure Back Unit minor changes to MEP. new Sprinkler/FA Throughout 3 units. | $1,325,000 | [B26-000075](https://nearbypermits.com/somerville/permit/B26-000075/) |
| May 10, 2026 | [34 Alpine St](https://nearbypermits.com/somerville/address/34-alpine-st/) | 0.23 mi NE | Alteration or repair | Add half bath and closet for office to existing laundry room | $19,900 | [B26-000315](https://nearbypermits.com/somerville/permit/B26-000315/) |
| May 6, 2026 | [79 Hudson St](https://nearbypermits.com/somerville/address/79-hudson-st/) | 0.24 mi E | Electrical | Remove the wire running from the basement, which violates the electrical code due to being exposed; repair the wires exposed inside the kitchen cabinetry; and ensure that all kitchen outlets are GFCI-protected. | $900 | [E26-000648](https://nearbypermits.com/somerville/permit/E26-000648/) |
| May 5, 2026 | [27 Porter St](https://nearbypermits.com/somerville/address/27-porter-st/) | 0.21 mi S | Electrical | Rewired the whole 2unit apartment | $38,000 | [E26-000504](https://nearbypermits.com/somerville/permit/E26-000504/) |
| May 4, 2026 | [27 Porter St](https://nearbypermits.com/somerville/address/27-porter-st/) | 0.21 mi S | Plumbing | Install plumbing for 3 units | Not listed | [P26-000265](https://nearbypermits.com/somerville/permit/P26-000265/) |

## More on this street

Other addresses on Mountain Ave with permits, nearest house number first:

- [11 Mountain Ave](https://nearbypermits.com/somerville/address/11-mountain-ave/): newest permit Jun 3, 2026
- [12 Mountain Ave](https://nearbypermits.com/somerville/address/12-mountain-ave/): newest permit Jan 10, 2025
- [3 Mountain Ave](https://nearbypermits.com/somerville/address/3-mountain-ave/): newest permit Sep 11, 2026
- [19 Mountain Ave](https://nearbypermits.com/somerville/address/19-mountain-ave/): newest permit Dec 31, 2025

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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 2026-10-06 22:31 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, all 4 permits at this address and 139 nearby: https://nearbypermits.com/somerville/address/9-mountain-ave/