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27 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.
10 permits on record here. The newest, Jun 17, 2025: Renovation kitchen at 2nd floor only. Within a quarter mile, the city has issued 109 more permits (105 projects) since May 1.
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Jun 17, 2025not listed
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Befer has permit for renovation kitchen,now add a new tankless water for hot ware and heatingPlumbingJun 13, 2025not listed
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Jun 13, 2025not listed
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Mar 24, 2025$3,700
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Demolish existing chimney and wallAlteration or repairFeb 27, 2025$53,000
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Sep 7, 2022not listed
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Sep 7, 2022not listed
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Install receptacle in outside deckElectricalDec 17, 2018$675
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Demolish and rebuild rear porchAlteration or repairOct 5, 2018$9,750
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3 replacement entry doors no structuralAlteration or repairMar 7, 2018$12,500
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Gas line to deck grill20 Landers St · 210 ft E · PlumbingSep 11not listed
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Replace drainage piping for kitchen and bathroom26 Knapp St · 90 ft S · PlumbingSep 1not listed
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Install 4 outdoor receptacles and 1 light fixture on rear porch outdoor counter area20 Landers St · 210 ft E · ElectricalJun 3$3,100
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Insulate Walls, Attic, and Kneewall22 Knapp St · 120 ft SE · OtherJun 1$9,334
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17 replacement windows being installed22 Knapp St · 120 ft SE · 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 · 570 ft NE · AdditionOct 2$39,655
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Power for 2 condensers9 Preston Rd · 570 ft NE · ElectricalSep 30$600
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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 · 710 ft W · ElectricalSep 24$5,000
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Interior Demolition and Framing: selective interior demolition40 School St · 430 ft E · Alteration or repairSep 24$203,000
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White PVC Fascia board replacement on entire perimeter of up roof (135 linear feet)18 Greene St · 690 ft N · Alteration or repairSep 17$9,893
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Interior remodel consisting of finish upgrades only397 Somerville Ave · 750 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 · 760 ft NW · Alteration or repairSep 15$20,000
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Add interior demising walls for new art exhibition use and new occupancy8 Tyler St · 920 ft SW · Alteration or repairSep 10$129,500
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Relocate existing sanatary pump and add floor drain @ 17 Properzi way11 Properzi Way · 710 ft W · PlumbingSep 3not listed
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To erect a 60x90 canopy tent with 42" stakes29 Central St · 910 ft NW · OtherSep 3$10,519
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Installation of EV Charger with load management device off of unit main circuit breaker × 2 permits111 Summer St · 830 ft N · ElectricalSep 1$6,000
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Rear Porch repair as needed, same as, same size17 Laurel Terr · 380 ft NW · Alteration or repairAug 31$10,000
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Kitchen and bath remodel40 School St · 430 ft E · PlumbingAug 26not listed
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Gas furnace replacement42 Preston Rd · 440 ft N · PlumbingAug 26not listed
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Install forty feet ladder tray, relocate pedestal control/data cabling8-14 Tyler St · 810 ft SW · ElectricalAug 25$2,000
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Strip and re-roof main house56 School St · 660 ft NE · RoofingAug 25$28,645
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2 outlets and 2 lights on a porch11r Dane St · 520 ft SW · ElectricalAug 20$1,000
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75 KVA transformer8-14 Tyler St · 810 ft SW · ElectricalAug 20$2,000
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Installation of EV Charger108 Summer St · 700 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 · 810 ft SW · ElectricalAug 17$600
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Install 10' ladder tray for data lines8-14 Tyler St · 810 ft SW · ElectricalAug 17$300
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Install outlet in cafeteria for water bubbler8-14 Tyler St · 810 ft SW · ElectricalAug 17$200
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Install three cord drops GFCI8-14 Tyler St · 810 ft SW · ElectricalAug 17$600
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Electrical Maintenance, change ballast8-14 Tyler St · 810 ft SW · ElectricalAug 17$15,000
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Install low voltage wiring and terminations8-14 Tyler St · 810 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 · 710 ft W · Alteration or repairAug 11$86,510
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Installing bottle filler8 Tyler St · 920 ft SW · PlumbingAug 6not listed
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Residential weatherization/air sealing56 School St · 660 ft NE · Alteration or repairAug 4$11,333
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Make Safe Demo8 Tyler St · 920 ft SW · ElectricalJul 30$3,500
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Installation of new ERU unit and corresponding ductwork on the roof8 Tyler St · 920 ft SW · RoofingJul 29$12,000
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Removal of rear chimney, Front chimney Grind and point chimney from the flashing up56 School St · 660 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 · 280 ft W · Mechanical (HVAC)Jul 21$102,927
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Remove and reinstall PowerWall ESS for house being re-sided2 Park Pl · 490 ft NW · ElectricalJul 20$2,100
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Wiring replacement for a Condenser and water heater25 Osgood St · 300 ft N · ElectricalJul 20$1,285
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Wire in new replacement hvac system40 School St · 430 ft E · ElectricalJul 16$1,200
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Remove and replace 19 windows, like for like487 Somerville Ave · 410 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 · 740 ft N · RoofingJul 15$6,200
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Jul 9$15,925
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Installing gas line for rooftop unit and replacing two unit heaters8 Tyler St · 920 ft SW · PlumbingJul 2not listed
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6 smoke detectors13 Greene St · 460 ft N · ElectricalJul 1$1,000
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Unit A Installation of (5) Rectangle Window Inserts11r Dane St · 520 ft SW · Alteration or repairJun 29$45,654
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Jun 26not listed
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Install (3) new ceiling mount horn strobes for occupant notification8 Tyler St · 920 ft SW · ElectricalJun 24$6,000
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Electrical service and distribution8-14 Tyler St · 810 ft SW · ElectricalJun 22$84,200
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CORRECT VIOLATION FILE #26-013922 Cut and cap water to sink397 Somerville Ave · 750 ft SE · ElectricalJun 21$800
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Cut & Cap kitchen sink in apartment397 Somerville Ave · 750 ft SE · PlumbingJun 16not listed
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Water heater Gas test5 Laurel Ave · 720 ft NW · PlumbingJun 15not listed
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Install temporary outlets and lights for church outdoor event12 Properzi Way · 670 ft SW · ElectricalJun 12$3,000
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Install new sheet metal duct supply and return33 Preston Rd · 550 ft N · OtherJun 11$16,000
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Disconnect electricity from stove to panel in illegal apartment397 Somerville Ave · 750 ft SE · ElectricalJun 11$800
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Remove and replace 7 windows18 Loring St · 280 ft W · Alteration or repairJun 5$7,895
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Gas Furnace Replacement24 Dane St · 740 ft S · PlumbingMay 28not listed
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Replace existing control panel22 Laurel St · 680 ft NW · ElectricalMay 27$2,000
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Bathroom kitchen Reno13 Greene St · 460 ft N · ElectricalMay 26$7,000
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May 14 to 22not listed
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Customer called saying they needed an electrician to fix damaged wire on side of house435 Somerville Ave · 400 ft SE · ElectricalMay 21$200
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Install flex duct as needed for ASHP install in all 3 units24 Laurel St · 650 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 · 650 ft NW · PlumbingMay 14not listed
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Install (3) ASHP systems for units 1-324 Laurel St · 650 ft NW · ElectricalMay 14$50,000
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Siding on entire house to be completed2 Park Pl · 490 ft NW · Alteration or repairMay 12$62,890
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Remove existing shingle roof and replace16 Greene St · 660 ft N · RoofingMay 6$17,500
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Demolition of an interior demising wall on ground floor8 Tyler St · 920 ft SW · DemolitionMay 4$7,580
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House rewire after a fire, service is newer 200A existing26 Summer St · 0.21 mi 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 · 0.21 mi E · Alteration or repairSep 29$2,700
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Basement sill and crawlspace insulation28 Summer St · 0.21 mi E · Alteration or repairSep 22$1,238
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Insulation61 Avon St · 0.22 mi N · Alteration or repairSep 16$7,138
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Remove and replace 1 entry door74 Avon St · 0.22 mi N · Alteration or repairSep 15$3,000
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Install plumbing for 2 units, 2 kitchens17 Carlton St · 0.21 mi SE · PlumbingAug 20not listed
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Demolition/make safe and UFER ground17 Carlton St · 0.21 mi 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 · 0.21 mi SE · PlumbingAug 6not listed
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Remove and rebuild existing roof deck in the same size and layout14 Carlton St · 0.22 mi SE · Alteration or repairAug 5$21,900
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Complete renovation reconstruction of existing residential building17 Carlton St · 0.21 mi SE · Alteration or repairAug 5$700,000
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Renew bath 2nd floor30 Berkeley St · 0.21 mi N · PlumbingAug 4not listed
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Electrical permit for renovation of the master bathroom and master bedroom30 Berkeley St · 0.21 mi N · ElectricalJul 28$5,000
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Front 3 Family Home - Install 3 HVAC Systems24 Berkeley St · 0.21 mi NE · Mechanical (HVAC)Jul 23$61,500
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Install new low voltage fire alarm24 Berkeley St · 0.21 mi NE · ElectricalJul 22$8,500
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Residential weatherization and air sealing with the Mass Save Program41 Dane Ave · 0.21 mi S · Alteration or repairJul 22$29,532
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Insulation work as part of the MASS Save program17 Bow St Pl · 0.20 mi E · Alteration or repairJul 8$2,000
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Full bathroom and laundry18 Central St · 0.20 mi NW · PlumbingJul 2not listed
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Upgrade service due to insurance requirements9 Carlton St · 0.20 mi SE · ElectricalJun 29$6,500
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Strip and reroof approximately 2,200 square feet23 Putnam St · 0.25 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 NE · Mechanical (HVAC)Jun 26$39,000
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Bathroom, laundry and bedroom new work in the attic18 Central St · 0.20 mi NW · ElectricalJun 26$9,000
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Bathroom remodeling -Unit 230 Berkeley St · 0.21 mi N · Alteration or repairJun 26$32,650
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Air handler in the basement and one in the attic75 School St · 0.20 mi NE · Mechanical (HVAC)Jun 23$34,890
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Bathroom renovation, existing footprint to stay the same4 Putnam St · 0.19 mi E · Alteration or repairJun 10$28,900
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Bathroom remodel4 Putnam St · 0.19 mi E · PlumbingJun 5not listed
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Cottage house24 Berkeley St · 0.21 mi NE · ElectricalJun 4$15,000
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Interior demolition26 Summer St · 0.21 mi E · Alteration or repairJun 2$50,000
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Remove and replace existing siding and trim20 Central St · 0.20 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 · 0.20 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 · 0.23 mi S · Alteration or repairJun 1$23,589
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New siding so temporarily removing panel and outlets20 Central St · 0.20 mi NW · ElectricalMay 29$700
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Refurbish existing front porch with traditional materials to comply with historic requirements24 Summer St · 0.21 mi E · Alteration or repairMay 19$7,500
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Rewire wall oven with appropriately sized wire12 Putnam St · 0.21 mi E · ElectricalMay 14$2,000
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Replace wire for wall oven with appropriate size12 Putnam St · 0.21 mi E · ElectricalMay 14$2,000
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3000 Amp 480 Volt electric service321 Washington St · 0.25 mi SE · ElectricalMay 12$350,000
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1 water heater, 1 half bath, 1 kitchen with ice maker24 Berkeley St · 0.21 mi NE · PlumbingMay 11not listed
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Install low voltage fire alarm to monitor sprinkler system24 Berkeley St · 0.21 mi NE · ElectricalMay 4$2,500
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Knob and tube remidiation24 Central St · 0.21 mi NW · ElectricalMay 1$4,150
- 26 Knapp St newest permit Sep 1, 2026
- 22 Knapp St newest permit Jun 1, 2026
- 13 Knapp St newest permit Dec 10, 2024
- 10 Knapp St newest permit Nov 18, 2025
Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 6, 23:00 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