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66 Cass St
Boston, MA 02132
The biggest project within a quarter mile since May 1: a $378,500 alteration or repair at 25-29 Spring St, permitted Aug 28.
One permit here in the last two years. The newest, Dec 11, 2025: Insulate walls and attic. Within a quarter mile, the city has issued 43 more permits (40 projects) since May 1.
The city's data portal didn't answer in time. "Here" shows our copy of the last two years, which we checked 2026-10-05 15:02 UTC. Data status
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Insulate walls and atticAlteration or repairDec 11, 2025$6,564
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Blown in cellulose insulation at exterior walls54 Cass St · 150 ft NW · Alteration or repairMay 22$5,643
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Installation of roof mounted photovoltaic solar systems × 2 permits2152 Centre St · 800 ft NE · SolarSep 25 to Oct 1$32,700
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Service conductor refeed2152 Centre St · 800 ft NE · ElectricalSep 30$2,000
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Tie pre action sprinkler system, protecting elevator, in to fire alarm2222 Centre St · 790 ft SE · Fire systemsSep 30$14,000
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Tie new elevator pre action sprinkler system in to existing fire alarm system2222 Centre St · 790 ft SE · Fire systemsSep 28$14,000
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Install power for mini split/Condensor -Install Low voltage wiring -Install wiring for 2 air handlier…11 Bogandale Rd · 710 ft NE · ElectricalSep 23$3,500
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Installing Tankless water heater11 Bogandale Rd · 710 ft NE · PlumbingSep 21$4,000
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Installing gas pipe to accommodate fuel demand for new tankless water heater11 Bogandale Rd · 710 ft NE · PlumbingSep 21$1,500
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Roof mounted solar16 Alaric St · 710 ft N · SolarSep 3$9,000
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Installing roof mounted solar16 Alaric St · 710 ft N · SolarSep 3$18,000
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Strip and reroof 15 squares16 Alaric St · 710 ft N · RoofingSep 2$11,375
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Strip all asphalt roofing95 Cass St · 280 ft S · RoofingJul 24$15,326
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Air sealing, weather strip & sweep for doors10 Altacrest Rd · 920 ft S · Alteration or repairJul 21$3,474
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Installing Bryant 36K BTU Outdoor Unit2152 Centre St · 800 ft NE · OtherJul 21$18,853
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Strip existing siding on house use Henry Blueskin then Green guard XPS 350 siding underlayment insulation42 Bogandale Rd · 960 ft E · Alteration or repairJul 20$41,653
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Upgrade electrical service to 200A Add 4 recessed lights10 Earnshaw St · 420 ft W · ElectricalJul 15$9,000
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Convert bathroom from 1/2 bath o 3/4 bath16 Alaric St · 710 ft N · PlumbingJul 1$2,000
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Installing Bryant 36K BTU Outdoor Unit2152 Centre St · 800 ft NE · ElectricalJul 1$1,500
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Replace Federal Pacific panel with new circuit breaker panel5-7 Cass St · 910 ft NW · ElectricalJun 29$2,400
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Rewire 1 bathroom16 Alaric St · 710 ft N · ElectricalJun 26$800
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Wiring to two mini split units2197 Centre St · 390 ft E · ElectricalJun 24$2,000
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Air sealing, blown in cellulose for attic floor & overhang2197 Centre St · 390 ft E · Alteration or repairJun 18$4,466
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Installing ductless mini split heat pump system with 1 outdoor unit11 Johnson St · 1,000 ft SW · Alteration or repairJun 10$5,300
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May 6 to Jun 10$30,000
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Deck. Interior renovation & finishing of existing basement Scope: construction of a finished TV/family rm12 Bronx Rd · 730 ft S · Alteration or repairJun 9$20,000
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A separate company is removing an esisting wood fence and we are installing approx 74ft of 5ft high vinyl…2231 Centre St · 560 ft SE · Fence, wall or deckMay 28$4,175
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Wiring 1 outdoor unit for ductless mini split heat pump system11 Johnson St · 1,000 ft SW · ElectricalMay 26$1,000
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Install one high-efficiency water heater44 Cass St · 300 ft NW · PlumbingMay 4$6,000
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Install wiring for hot water heater and dryer12 Woodbrier Rd · 0.19 mi S · ElectricalSep 11$750
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Sep 4$2,753
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Remove and replace 1 entry door66 Baker St · 0.23 mi SW · Alteration or repairSep 3$8,600
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Removing and replacing 5 windows11 Hartlawn Rd · 0.22 mi W · Alteration or repairSep 3$4,536
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Retrofit insulation of all exterior walls with fire rated closed cell polyurethane pour foam25-29 Spring St · 0.25 mi N · Alteration or repairAug 28$378,500
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Water Heater Swap, converting from Gas to electric12 Woodbrier Rd · 0.19 mi S · PlumbingAug 27$3,000
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Removing remaining gas line and Capping at Meter12 Woodbrier Rd · 0.19 mi S · PlumbingAug 27$150
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Remove and replace 1 entry door92 Baker St · 0.23 mi SW · Alteration or repairAug 7$16,442
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Remove 9 existing windows and replace with 9 new windows No structural work29 Woodbrier Rd · 0.24 mi SE · Alteration or repairJul 20$13,690
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Full strip and re roof97 Baker St · 0.21 mi W · RoofingJun 2$6,500
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Open cell spray foam 15" r60 ceiling100-110 Spring St · 0.19 mi NW · Alteration or repairMay 26$7,500
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Service change 100 to 200 amps11 Woodbrier Rd · 0.21 mi S · ElectricalMay 7$5,000
Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 15:02 UTC. Official data.
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