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13 Knapp St
Somerville, MA 02143
The biggest project within a quarter mile since May 1: a $700,000 alteration or repair at 17 Carlton St, permitted Aug 5.
Six permits on record here. The newest, Dec 10, 2024: Residential weatherization/air sealing. Within a quarter mile, the city has issued 121 more permits (117 projects) since May 1.
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Residential weatherization/air sealingAlteration or repairDec 10, 2024$5,000
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Replace Siding and trim on three sides of the houseAlteration or repairMay 17, 2024$137,278
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May 8, 2024$500
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Strip and re-roofRoofingJun 7, 2017$10,400
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Feb 7, 2017$33,352
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Installing a 8.3 KW pohotovoltaic systemElectricalFeb 1, 2017$4,980
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Gas line to deck grill20 Landers St · 110 ft N · PlumbingSep 11not listed
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Replace drainage piping for kitchen and bathroom26 Knapp St · 170 ft W · PlumbingSep 1not listed
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Jul 9$15,925
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Install 4 outdoor receptacles and 1 light fixture on rear porch outdoor counter area20 Landers St · 110 ft N · ElectricalJun 3$3,100
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Insulate Walls, Attic, and Kneewall22 Knapp St · 140 ft W · OtherJun 1$9,334
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May 14 to 22not listed
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17 replacement windows being installed22 Knapp St · 140 ft W · Alteration or repairMay 21$20,600
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Installation of 2 outdoor condensers and 6 wall mount mini spits inside The system being installed is ductless9 Preston Rd · 500 ft NE · AdditionOct 2$39,655
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Power for 2 condensers9 Preston Rd · 500 ft NE · ElectricalSep 30$600
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House rewire after a fire, service is newer 200A existing26 Summer St · 920 ft E · ElectricalSep 29$28,500
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(Homeowner Permit) Masonry repair The existing chimney above the roofline is deteriorated and requires…24 Summer St · 930 ft E · Alteration or repairSep 29$2,700
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Adding 6 new LED flat panel lights / disconnect and reconnect equipment to allow new layout / 3 new dedicated…11 Properzi Way · 860 ft W · ElectricalSep 24$5,000
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Interior Demolition and Framing: selective interior demolition40 School St · 300 ft NE · Alteration or repairSep 24$203,000
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Basement sill and crawlspace insulation28 Summer St · 900 ft E · Alteration or repairSep 22$1,238
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White PVC Fascia board replacement on entire perimeter of up roof (135 linear feet)18 Greene St · 810 ft NW · Alteration or repairSep 17$9,893
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Interior remodel consisting of finish upgrades only397 Somerville Ave · 570 ft SE · Alteration or repairSep 17$2,500
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Create an Accessible Route from Exterior Facility to Unit One Egress Door38 Laurel St · 930 ft NW · Alteration or repairSep 15$20,000
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Relocate existing sanatary pump and add floor drain @ 17 Properzi way11 Properzi Way · 860 ft W · PlumbingSep 3not listed
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Installation of EV Charger with load management device off of unit main circuit breaker × 2 permits111 Summer St · 890 ft N · ElectricalSep 1$6,000
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Rear Porch repair as needed, same as, same size17 Laurel Terr · 550 ft NW · Alteration or repairAug 31$10,000
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Kitchen and bath remodel40 School St · 300 ft NE · PlumbingAug 26not listed
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Gas furnace replacement42 Preston Rd · 520 ft N · PlumbingAug 26not listed
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Install forty feet ladder tray, relocate pedestal control/data cabling8-14 Tyler St · 900 ft SW · ElectricalAug 25$2,000
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Strip and re-roof main house56 School St · 570 ft NE · RoofingAug 25$28,645
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Install plumbing for 2 units, 2 kitchens17 Carlton St · 970 ft SE · PlumbingAug 20not listed
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2 outlets and 2 lights on a porch11r Dane St · 630 ft SW · ElectricalAug 20$1,000
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75 KVA transformer8-14 Tyler St · 900 ft SW · ElectricalAug 20$2,000
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Installation of EV Charger108 Summer St · 770 ft N · ElectricalAug 19$700
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Install ladder tray 30' for data cables approximately (10) at cryogenic test stand8-14 Tyler St · 900 ft SW · ElectricalAug 17$600
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Install 10' ladder tray for data lines8-14 Tyler St · 900 ft SW · ElectricalAug 17$300
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Install outlet in cafeteria for water bubbler8-14 Tyler St · 900 ft SW · ElectricalAug 17$200
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Install three cord drops GFCI8-14 Tyler St · 900 ft SW · ElectricalAug 17$600
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Electrical Maintenance, change ballast8-14 Tyler St · 900 ft SW · ElectricalAug 17$15,000
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Install low voltage wiring and terminations8-14 Tyler St · 900 ft SW · ElectricalAug 11$25,000
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Add ACT ceiling and install FRP on walls in Manufactering room @ 17 Properzi Way11 Properzi Way · 860 ft W · Alteration or repairAug 11$86,510
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Demolition/make safe and UFER ground17 Carlton St · 970 ft SE · ElectricalAug 10$1,200
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First floor: 1 half bathroom and 3 electric water heaters Second floor: Units 20159 Bow St · 930 ft SE · PlumbingAug 6not listed
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Complete renovation reconstruction of existing residential building17 Carlton St · 970 ft SE · Alteration or repairAug 5$700,000
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Residential weatherization/air sealing56 School St · 570 ft NE · Alteration or repairAug 4$11,333
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Removal of rear chimney, Front chimney Grind and point chimney from the flashing up56 School St · 570 ft NE · Alteration or repairJul 23$12,050
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Install (6) air handlers, 6 condensers, (6) ervs, all duct work471 Somerville Ave · 440 ft W · Mechanical (HVAC)Jul 21$102,927
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Remove and reinstall PowerWall ESS for house being re-sided2 Park Pl · 680 ft NW · ElectricalJul 20$2,100
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Wiring replacement for a Condenser and water heater25 Osgood St · 390 ft NW · ElectricalJul 20$1,285
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Wire in new replacement hvac system40 School St · 300 ft NE · ElectricalJul 16$1,200
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Remove and replace 19 windows, like for like487 Somerville Ave · 580 ft W · Alteration or repairJul 16$30,702
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Fire escape roof area asphalt shingled roof being replaced in kind114 Summer St · 820 ft N · RoofingJul 15$6,200
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Insulation work as part of the MASS Save program17 Bow St Pl · 870 ft E · Alteration or repairJul 8$2,000
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6 smoke detectors13 Greene St · 590 ft NW · ElectricalJul 1$1,000
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Upgrade service due to insurance requirements9 Carlton St · 890 ft SE · ElectricalJun 29$6,500
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Unit A Installation of (5) Rectangle Window Inserts11r Dane St · 630 ft SW · Alteration or repairJun 29$45,654
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Jun 26not listed
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Air handler in the basement and one in the attic75 School St · 950 ft NE · Mechanical (HVAC)Jun 23$34,890
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Electrical service and distribution8-14 Tyler St · 900 ft SW · ElectricalJun 22$84,200
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CORRECT VIOLATION FILE #26-013922 Cut and cap water to sink397 Somerville Ave · 570 ft SE · ElectricalJun 21$800
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Cut & Cap kitchen sink in apartment397 Somerville Ave · 570 ft SE · PlumbingJun 16not listed
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Water heater Gas test5 Laurel Ave · 900 ft NW · PlumbingJun 15not listed
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Install temporary outlets and lights for church outdoor event12 Properzi Way · 810 ft W · ElectricalJun 12$3,000
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Install new sheet metal duct supply and return33 Preston Rd · 580 ft N · OtherJun 11$16,000
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Disconnect electricity from stove to panel in illegal apartment397 Somerville Ave · 570 ft SE · ElectricalJun 11$800
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Bathroom renovation, existing footprint to stay the same4 Putnam St · 860 ft E · Alteration or repairJun 10$28,900
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Bathroom remodel4 Putnam St · 860 ft E · PlumbingJun 5not listed
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Remove and replace 7 windows18 Loring St · 470 ft W · Alteration or repairJun 5$7,895
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Interior demolition26 Summer St · 920 ft E · Alteration or repairJun 2$50,000
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Gas Furnace Replacement24 Dane St · 750 ft SW · PlumbingMay 28not listed
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Replace existing control panel22 Laurel St · 860 ft NW · ElectricalMay 27$2,000
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Bathroom kitchen Reno13 Greene St · 590 ft NW · ElectricalMay 26$7,000
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Customer called saying they needed an electrician to fix damaged wire on side of house435 Somerville Ave · 260 ft S · ElectricalMay 21$200
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Refurbish existing front porch with traditional materials to comply with historic requirements24 Summer St · 930 ft E · Alteration or repairMay 19$7,500
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Install flex duct as needed for ASHP install in all 3 units24 Laurel St · 840 ft NW · Alteration or repairMay 14$5,000
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Units 2 + 3 only - remove existing water heaters and swap with hybrid electric water heaters in same location24 Laurel St · 840 ft NW · PlumbingMay 14not listed
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Rewire wall oven with appropriately sized wire12 Putnam St · 960 ft E · ElectricalMay 14$2,000
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Replace wire for wall oven with appropriate size12 Putnam St · 960 ft E · ElectricalMay 14$2,000
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Install (3) ASHP systems for units 1-324 Laurel St · 840 ft NW · ElectricalMay 14$50,000
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Siding on entire house to be completed2 Park Pl · 680 ft NW · Alteration or repairMay 12$62,890
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Remove existing shingle roof and replace16 Greene St · 790 ft NW · RoofingMay 6$17,500
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Insulation61 Avon St · 0.23 mi N · Alteration or repairSep 16$7,138
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Remove and replace 1 entry door74 Avon St · 0.24 mi N · Alteration or repairSep 15$3,000
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Add interior demising walls for new art exhibition use and new occupancy8 Tyler St · 0.19 mi SW · Alteration or repairSep 10$129,500
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To erect a 60x90 canopy tent with 42" stakes29 Central St · 0.20 mi NW · OtherSep 3$10,519
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Basement remodel26 Vinal Ave · 0.23 mi E · ElectricalAug 28$7,500
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Mass Save Insulation347 Washington St · 0.24 mi S · Alteration or repairAug 24$11,584
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Installing bottle filler8 Tyler St · 0.19 mi SW · PlumbingAug 6not listed
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Remove and rebuild existing roof deck in the same size and layout14 Carlton St · 0.19 mi SE · Alteration or repairAug 5$21,900
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Renew bath 2nd floor30 Berkeley St · 0.22 mi N · PlumbingAug 4not listed
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Boiler in basement351 Washington St · 0.25 mi S · ElectricalAug 3$7,500
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Make Safe Demo8 Tyler St · 0.19 mi SW · ElectricalJul 30$3,500
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Installation of new ERU unit and corresponding ductwork on the roof8 Tyler St · 0.19 mi SW · RoofingJul 29$12,000
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Install receptacles, switches and lighting21 Vinal Ave · 0.25 mi E · ElectricalJul 28$1,600
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Electrical permit for renovation of the master bathroom and master bedroom30 Berkeley St · 0.22 mi N · ElectricalJul 28$5,000
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Replace existing receptacles with tamper-resistant devices24 Aldersey St · 0.25 mi E · ElectricalJul 24$3,000
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Front 3 Family Home - Install 3 HVAC Systems24 Berkeley St · 0.21 mi N · Mechanical (HVAC)Jul 23$61,500
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Install new low voltage fire alarm24 Berkeley St · 0.21 mi N · ElectricalJul 22$8,500
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Residential weatherization and air sealing with the Mass Save Program41 Dane Ave · 0.20 mi S · Alteration or repairJul 22$29,532
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Boiler replacement313 Washington St · 0.25 mi S · PlumbingJul 21not listed
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Strip and reroof approximately 1,100 square feet3 Lawson Terr · 0.23 mi E · RoofingJul 21$16,640
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(HOMEOWNER PERMIT) Add one interior wall21 Vinal Ave · 0.25 mi E · Alteration or repairJul 16$17,650
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Full bathroom and laundry18 Central St · 0.24 mi NW · PlumbingJul 2not listed
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Installing gas line for rooftop unit and replacing two unit heaters8 Tyler St · 0.19 mi SW · PlumbingJul 2not listed
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Strip and reroof approximately 2,200 square feet23 Putnam St · 0.22 mi E · RoofingJun 29$24,460
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Rear Cottage Home - Install 2 Minisplit heat pump condensers combined with 2 wall mounts for the basement24 Berkeley St · 0.21 mi N · Mechanical (HVAC)Jun 26$39,000
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Bathroom, laundry and bedroom new work in the attic18 Central St · 0.24 mi NW · ElectricalJun 26$9,000
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Bathroom remodeling -Unit 230 Berkeley St · 0.22 mi N · Alteration or repairJun 26$32,650
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Install (3) new ceiling mount horn strobes for occupant notification8 Tyler St · 0.19 mi SW · ElectricalJun 24$6,000
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Replace boiler313 Washington St · 0.25 mi S · PlumbingJun 8not listed
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1/2 bathroom on 2nd floor34 Putnam St · 0.23 mi NE · PlumbingJun 5not listed
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Cottage house24 Berkeley St · 0.21 mi N · ElectricalJun 4$15,000
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Remove and replace existing siding and trim20 Central St · 0.24 mi NW · Alteration or repairJun 2$143,354
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Remodeling of an existing finished attic space into an updated habitable living area18 Central St · 0.24 mi NW · Alteration or repairJun 2$146,700
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Install (1) ductless mini split system with (1) 42k condenser and 4 indoor heads15 Leland St · 0.22 mi S · Alteration or repairJun 1$23,589
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New siding so temporarily removing panel and outlets20 Central St · 0.24 mi NW · ElectricalMay 29$700
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3000 Amp 480 Volt electric service321 Washington St · 0.22 mi S · ElectricalMay 12$350,000
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Install fire radio1 Bow Market Way · 0.24 mi SE · ElectricalMay 12$594
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1 water heater, 1 half bath, 1 kitchen with ice maker24 Berkeley St · 0.21 mi N · PlumbingMay 11not listed
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Install low voltage fire alarm to monitor sprinkler system24 Berkeley St · 0.21 mi N · ElectricalMay 4$2,500
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Demolition of an interior demising wall on ground floor8 Tyler St · 0.19 mi SW · DemolitionMay 4$7,580
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Knob and tube remidiation24 Central St · 0.24 mi NW · ElectricalMay 1$4,150
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5 Windows replacement, 2 interior door replacement, plaster ceilings34 Putnam St · 0.23 mi NE · Alteration or repairMay 1$8,000
- 10 Knapp St newest permit Nov 18, 2025
- 22 Knapp St newest permit Jun 1, 2026
- 26 Knapp St newest permit Sep 1, 2026
- 27 Knapp St newest permit Jun 17, 2025
Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 7, 02:10 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