- Searched address
- New building
- Addition or alteration
- Electrical, plumbing, HVAC
- Roof, fence, sign, facade
- Demolition
- Paperwork or other
21 Walnut St
Somerville, MA 02143
The biggest project within a quarter mile since May 1: a $13M new building at 24 Webster Ave, permitted Sep 10.
Six permits on record here. The newest, Mar 2: Install Rinnai Gas Boiler and 40 Gallon Gas Hot Water Heater in the Basement. Within a quarter mile, the city has issued 131 more permits (129 projects) since May 1. Two are for new buildings, the nearest 770 ft away.
-
Mar 2not listed
-
Wire a gas fed Rinnai boilerElectricalFeb 11$850
-
Install new ceiling light in bathroomElectricalJul 22, 2022$2,000
-
Wire up atticElectricalJun 21, 2019$3,000
-
ZBA 2017-57 build dormer include two bedroomsAlteration or repairFeb 25, 2019$33,000
-
Replace roof deck and railings on the third floor9 Sanborn Ave · 190 ft S · Alteration or repairSep 29$17,825
-
NEW RUBBER ROOF - Strip and Install Labor and material: Rubber roofing Scope of work: - We will be a removing…9 Sanborn Ave · 190 ft S · RoofingAug 27$7,200
-
Mass Save Weatherization/Insulation30 Walnut St · 220 ft N · Alteration or repairAug 3$15,254
-
Install HyperHeat system in basement and second floor closet30 Walnut St · 220 ft N · Mechanical (HVAC)Jul 27$58,000
-
Wiring of new High Velocity Heat Pumps30 Walnut St · 220 ft N · ElectricalJul 27$4,000
-
Whole Home Project: Electrical30 Walnut St · 220 ft N · Alteration or repairJun 24$168,760
-
Renovation of 2 bathrooms, 1 laundry, 1 kitchen, 1 half bathroom30 Walnut St · 220 ft N · PlumbingMay 29not listed
-
Remodel Kitchen, Bathrooms, rewire dwelling new branch circuits installation of new 200amp OH Service30 Walnut St · 220 ft N · ElectricalMay 13$50,000
-
Wire 2 Heat pump heads and 1 30 amp condensor on 3rd fl8 Pleasant Ave · 830 ft N · ElectricalOct 5$2,500
-
Remove asbestos containing building materials40 Union Sq · 600 ft S · Alteration or repairOct 5$58,500
-
Homeowner permit-- Replacing two rotted exterior doors and one severely window with cracked plexiglass in…34 Columbus Ave · 720 ft SE · Alteration or repairOct 2$5,000
-
Installation of Sub Panel, 50 Range Circuit 240V42 Vinal Ave · 1,000 ft N · ElectricalOct 1$2,000
-
House rewire after a fire, service is newer 200A existing26 Summer St · 760 ft W · ElectricalSep 29$28,500
-
Install 1 replacement window24 Wesley Park · 450 ft NW · Alteration or repairSep 29$2,763
-
(Homeowner Permit) Masonry repair The existing chimney above the roofline is deteriorated and requires…24 Summer St · 750 ft W · Alteration or repairSep 29$2,700
-
LOT B New air conditioning and heating system installation33 Vinal Ave · 730 ft N · Mechanical (HVAC)Sep 24$25,000
-
LOT A: Installation of heating and cooling system for all units33 Vinal Ave · 730 ft N · OtherSep 24$25,000
-
Remodel kitchen on 1st and 2nd floor32 Stone Ave · 500 ft SE · Alteration or repairSep 22$87,000
-
Basement sill and crawlspace insulation28 Summer St · 790 ft W · Alteration or repairSep 22$1,238
-
Renovation, 1st fl kitchen and 1 full bath32 Stone Ave · 500 ft SE · PlumbingSep 21not listed
-
Renovation, 1st and 2nd fl kitchen stove32 Stone Ave · 500 ft SE · PlumbingSep 21not listed
-
Remove and replace 13 windows4 Lake St · 990 ft SW · Alteration or repairSep 18$22,985
-
Install a new gas fire Furnace329 Somerville Ave · 610 ft SW · PlumbingSep 10not listed
-
Weatherization and air sealing with the Mass Save Program28 Bonner Ave · 780 ft SE · Alteration or repairSep 3$1,886
-
Replace existing tub/shower with prefab acrylic base and acrylic walls30 Summit Ave · 780 ft N · PlumbingSep 2not listed
-
Basement remodel26 Vinal Ave · 730 ft NW · ElectricalAug 28$7,500
-
Install Energy Storage System rated at 27kWh outside44 Columbus Ave · 560 ft SE · SolarAug 27$21,675
-
6 new family33 Vinal Ave · 730 ft N · ElectricalAug 25$82,000
-
Install 14 Marvin classic replacement window,energy star,inserts only,no structural work67 Boston St · 830 ft NE · Alteration or repairAug 24$18,350
-
(HOMEOWNER PERMIT) Replace 2 windows in back bedroom and Adding kitchen cabinets and new countertop22 Stone Ave · 540 ft S · Alteration or repairAug 24$6,000
-
Install 5.74 kW panels42 Vinal Ave · 1,000 ft N · Alteration or repairAug 19$28,700
-
Install Energy Storage System rated at 27kWh on exterior44 Columbus Ave · 560 ft SE · ElectricalAug 17$15,249
-
Replace all rails on decks from existing PVC to PT lumber, 42" high6 Giles Park · 280 ft SW · Alteration or repairAug 16$14,422
-
Install 7 replacement windows67 Walnut St · 960 ft NE · Alteration or repairAug 14$22,521
-
Install 5.74 kW panels42 Vinal Ave · 1,000 ft N · ElectricalAug 12$29,000
-
Install new bathroom & kitchen fixtures only32 Hamlet St · 990 ft NE · PlumbingAug 7not listed
-
Install New Gas Stove32 Hamlet St · 990 ft NE · PlumbingAug 7not listed
-
First floor: 1 half bathroom and 3 electric water heaters Second floor: Units 20159 Bow St · 840 ft W · PlumbingAug 6not listed
-
Bathroom Electrical WORK @ 259 WASHINGTON ST21 Union Sq · 780 ft S · ElectricalJul 31$1,500
-
Installing Bryant 24K BTU Outdoor Unit19b Stone Ave · 650 ft SE · ElectricalJul 29$1,500
-
Installing Bryant 36K BTU Outdoor Unit21 Stone Ave · 650 ft SE · ElectricalJul 29$1,500
-
@ 259 Washington st in existing commercial space21 Union Sq · 780 ft S · Alteration or repairJul 29$25,000
-
Install receptacles, switches and lighting21 Vinal Ave · 550 ft NW · ElectricalJul 28$1,600
-
Install new roofing15 Homer Sq · 780 ft SE · RoofingJul 25$14,600
-
Replace existing receptacles with tamper-resistant devices24 Aldersey St · 620 ft NW · ElectricalJul 24$3,000
-
3 kitchens 3 bathrooms 3 laundry8 Pleasant Ave · 830 ft N · PlumbingJul 21not listed
-
Gas stove8 Pleasant Ave · 830 ft N · PlumbingJul 21not listed
-
Strip and reroof approximately 1,100 square feet3 Lawson Terr · 850 ft NW · RoofingJul 21$16,640
-
(HOMEOWNER PERMIT) Add one interior wall21 Vinal Ave · 550 ft NW · Alteration or repairJul 16$17,650
-
Installation of (10) Double Hung Window Inserts28 Bonner Ave · 780 ft SE · Alteration or repairJul 14$53,248
-
Insulation work as part of the MASS Save program17 Bow St Pl · 810 ft W · Alteration or repairJul 8$2,000
-
Replace Garage rubber roof24 Warren Ave · 260 ft SE · Alteration or repairJul 8$4,800
-
Second floor remodel32 Hamlet St · 990 ft NE · ElectricalJul 7$18,000
-
1 Bathroom electrical, Living Lights, dining lights29 Summit Ave · 870 ft N · ElectricalJul 7$1,500
-
Replacing recessed light in unit 12 and 21 due to water damage from weather heater in unit 3417 Bow St · 390 ft SW · ElectricalJul 7$2,000
-
1 half bath on first floor29 Summit Ave · 870 ft N · PlumbingJul 2not listed
-
Installation of new complete 800 amp service on front house with 9 meters total and 1 200 amp service on back…17 Aldersey St · 620 ft N · ElectricalJun 30$30,000
-
Strip and reroof approximately 2,200 square feet23 Putnam St · 920 ft NW · RoofingJun 29$24,460
-
Installation of central heating and cooling with gas furnace and ac329 Somerville Ave · 610 ft SW · Mechanical (HVAC)Jun 24$15,000
-
Move exsisting smokes, pull stations and horns out to accommodate new framing329 Somerville Ave · 610 ft SW · ElectricalJun 23$500
-
Renovate second floor unti will remove the dining room and living room ceiling32 Hamlet St · 990 ft NE · Alteration or repairJun 23$84,975
-
Remodel first floor to acommodate a half bath29 Summit Ave · 870 ft N · Alteration or repairJun 16$18,600
-
Wire room for lights power and heat B26-000400329 Somerville Ave · 610 ft SW · ElectricalJun 11$25,000
-
Bathroom renovation, existing footprint to stay the same4 Putnam St · 920 ft NW · Alteration or repairJun 10$28,900
-
Install pendant lights, ceiling fan21 Union Sq · 780 ft S · ElectricalJun 9$6,500
-
Support service for Siding company5 Homer Sq · 630 ft SE · ElectricalJun 9$500
-
Residential weatherization/air sealing33 Columbus Ave · 790 ft SE · Alteration or repairJun 9$2,000
-
Remodel a existing Liquor store329 Somerville Ave · 610 ft SW · PlumbingJun 5not listed
-
Bathroom remodel4 Putnam St · 920 ft NW · PlumbingJun 5not listed
-
Minor renovation to the interior only16 Summit Ave · 610 ft N · Alteration or repairJun 5$92,000
-
Rooftop solar 12 panels 4.92 kwdc no ESS17 Bonner Ave · 940 ft SE · ElectricalJun 2$8,768
-
Interior demolition26 Summer St · 760 ft W · Alteration or repairJun 2$50,000
-
Rebuilding a brick wall that is in bad condition at left side rear of building Install all the necessary…1 Bow St · 430 ft S · Alteration or repairJun 2$173,550
-
Demolish existing three-story wood deck and construct new three-story pressure-treated wood deck in same…37 Columbus Ave · 710 ft SE · DemolitionJun 1$27,000
-
Remove all roofing materials and install premium Owens Corning roofing materials22 Thorpe St · 940 ft NE · RoofingMay 20$21,858
-
Rewire 4 units and upgrade service to 400 amps B25-0006389 Hillside Park · 300 ft NW · ElectricalMay 19$65,000
-
Electrical service upgrade from existing 100A to new 200A service16 Homer Sq · 800 ft SE · ElectricalMay 19$4,800
-
Refurbish existing front porch with traditional materials to comply with historic requirements24 Summer St · 750 ft W · Alteration or repairMay 19$7,500
-
Interior and exterior gut renovation based on attached plans9 Hillside Park · 300 ft NW · Alteration or repairMay 19$415,000
-
Rewire wall oven with appropriately sized wire12 Putnam St · 970 ft NW · ElectricalMay 14$2,000
-
Replace wire for wall oven with appropriate size12 Putnam St · 970 ft NW · ElectricalMay 14$2,000
-
Service Package - EPDM Repairs Parapet wall roof improvement - Install new 1/4" Tapered insulation (diverting…19 Bow St · 360 ft SW · Alteration or repairMay 13$8,152
-
Emergency roof and siding replacement5 Homer Sq · 630 ft SE · Alteration or repairMay 13$30,000
-
Install fire radio1 Bow Market Way · 590 ft SW · ElectricalMay 12$594
-
Rewire front entry (foyer) areas of a two-family dwelling24 Thorpe St · 910 ft NE · ElectricalMay 7$2,500
-
Buildout restaurant @ 302 Somerville Ave300 Somerville Ave · 770 ft SW · New buildingMay 6$200,000
-
Installation of (2) Annunciator Panels33 Bow St · 370 ft W · ElectricalMay 4$3,000
-
Furnish and Install 1 new toilet and 1 new lavatory sink Juliet Social Club @ 257 Washington St21 Union Sq · 780 ft S · PlumbingMay 1not listed
-
Install: (2) New Face-Lit Channel Letters - "DUNKIN'" (1A.1).(1) Refurbished Ground Sign - "DUNKIN'" (3A.1)286 Somerville Ave · 0.23 mi S · SignSep 30not listed
-
Install cellular communicator8 Highland Ave · 0.24 mi NE · ElectricalSep 29$250
-
Install 8 Harvey classic replacement window,energy star,inserts only,no structural work44 Highland Ave · 0.24 mi N · Alteration or repairSep 23$6,992
-
Interior remodel consisting of finish upgrades only397 Somerville Ave · 0.23 mi W · Alteration or repairSep 17$2,500
-
Disconnect and reconnect front line wiring for newly added bookcase286 Somerville Ave · 0.23 mi S · ElectricalSep 15$4,500
-
Construct a podium style 6 story building with a parking level below the building24 Webster Ave · 0.23 mi S · New buildingSep 10$12,640,000
-
Installation and wiring of ductless system consisting of one condenser and four mini split heads × 2 permits9 Prospect Hill Ave · 0.25 mi E · ElectricalAug 18 to 27$27,166
-
Install plumbing for 2 units, 2 kitchens17 Carlton St · 0.23 mi SW · PlumbingAug 20not listed
-
100 to 400 amp service Upgrade18 Columbus Ave · 0.20 mi SE · ElectricalAug 19$12,000
-
Remove (x3) existing gas fired boilers and replace with (x3) new ones290 Washington St · 0.24 mi SW · Alteration or repairAug 17$390,367
-
Demolition/make safe and UFER ground17 Carlton St · 0.23 mi SW · ElectricalAug 10$1,200
-
Associated electrical work and fire alarm with boiler replacement290 Washington St · 0.24 mi SW · ElectricalAug 6$40,000
-
Remove and rebuild existing roof deck in the same size and layout14 Carlton St · 0.21 mi SW · Alteration or repairAug 5$21,900
-
Complete renovation reconstruction of existing residential building17 Carlton St · 0.23 mi SW · Alteration or repairAug 5$700,000
-
Remove (x3) existing gas fired boilers and replace with (x3) new Lochinvar Condensing boilers × 2 permits290 Washington St · 0.24 mi SW · PlumbingAug 4not listed
-
Bathroom and kitchen renovation9 Prospect Hill Ave · 0.25 mi E · PlumbingAug 4not listed
-
Kitchen renovation with two bathrooms being renovated as well9 Prospect Hill Ave · 0.25 mi E · ElectricalJul 31$5,600
-
Remove and replace the existing mansard shingle roof (up to two layers)15 Grand View Ave · 0.23 mi N · RoofingJul 29$12,350
-
Wiring replacement for AC (Coil / Condenser) and gas Furnace40 Highland Ave · 0.24 mi N · ElectricalJul 28$1,322
-
Cap dryer gas6 Highland Ave · 0.24 mi NE · PlumbingJul 22not listed
-
New construction of 43 units, common areas and parking garage which includes installation of underground for…24 Webster Ave · 0.23 mi S · ElectricalJul 20$1,425,000
-
Roof Recover285 Washington St · 0.20 mi SW · RoofingJul 7$39,693
-
Installation of underground conduits for new construction building with 43 units and generator24 Webster Ave · 0.23 mi S · ElectricalJul 6$21,000
-
Upgrade service due to insurance requirements9 Carlton St · 0.22 mi W · ElectricalJun 29$6,500
-
Remove and reinstall existing smoke detectors (2) due to repairs in the front foyer E26-00021149 Putnam St · 0.22 mi N · ElectricalJun 23$900
-
Install new low voltage fire alarm43 Boston St · 0.22 mi E · ElectricalJun 22$8,000
-
CORRECT VIOLATION FILE #26-013922 Cut and cap water to sink397 Somerville Ave · 0.23 mi W · ElectricalJun 21$800
-
Air sealing and insulation through the Mass Save program20 Prospect Hill Ave · 0.22 mi E · Alteration or repairJun 17$1,213
-
Cut & Cap kitchen sink in apartment397 Somerville Ave · 0.23 mi W · PlumbingJun 16not listed
-
Temporary interior structure223 Washington St · 0.23 mi SE · Fence, wall or deckJun 16$174,557
-
Insulation work as part of the mass save program19r Prospect Hill Ave · 0.20 mi E · Alteration or repairJun 16$2,400
-
Disconnect electricity from stove to panel in illegal apartment397 Somerville Ave · 0.23 mi W · ElectricalJun 11$800
-
Cosmetic renovation to include: Replacing counters in kitchen Fixture replacement in existing full bath…9 Prospect Hill Ave · 0.25 mi E · Alteration or repairJun 11$40,000
-
400A service upgrade55 Putnam St · 0.23 mi N · ElectricalJun 10$3,000
-
Install 3 HVAC systems43 Boston St · 0.22 mi E · Mechanical (HVAC)Jun 8$49,000
-
1/2 bathroom on 2nd floor34 Putnam St · 0.21 mi NW · PlumbingJun 5not listed
-
Install two condensers and four mini split heads20 Prospect Hill Ave · 0.22 mi E · OtherJun 2$27,632
-
Replace existing ducted AC3 Emerson St · 0.24 mi S · Alteration or repairMay 13$14,250
-
Installation and wiring of ductless system consisting of two condensers and four mini-split heads20 Prospect Hill Ave · 0.22 mi E · ElectricalMay 6$6,908
-
Installation of various plumbing fixtures and piping at new multi residential building24 Webster Ave · 0.23 mi S · PlumbingMay 4not listed
-
5 Windows replacement, 2 interior door replacement, plaster ceilings34 Putnam St · 0.21 mi NW · Alteration or repairMay 1$8,000
- 25 Walnut St newest permit Dec 17, 2024
- 27 Walnut St newest permit Dec 18, 2025
- 30 Walnut St newest permit Jul 27, 2026
- 42 Walnut St newest permit Apr 14, 2025
- 56 Walnut St newest permit Sep 2, 2025
- 61 Walnut St newest permit Aug 13, 2025
- 67 Walnut St newest permit Aug 14, 2026
- 69 Walnut St newest permit Apr 23, 2026
- 109 Walnut St newest permit Dec 27, 2024
- 138 Walnut St newest permit Aug 18, 2025
Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 6, 19:08 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