Contractors / Groton, CT
Contractors in Groton, CT
1,023 permits were filed in Groton in the last 6 months, from the town’s own records. 186 contractors have documented permits here in that period, ranked by permit volume.
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Permit activity in Groton, CT
1,023 permits filed in Groton, CT, last 6 months, by 454 applicants. Directory and leaderboards show the most active contractors in each trade. Counts show permit volume. Tap a trade for its leaderboard.
Contractors by trade in Groton
Electricians 38HVAC contractors 31Roofing contractors 35Building contractors 38Plumbers 36Window & door contractors 30Deck & porch builders 16
Most active in Groton
Southern New England Windows LlcWindows & doors42 permits in Groton, CT, last 6 months19 in last 90 daysDensmore Oil CompanyHVAC · Electrical32 permits in Groton, CT, last 6 months16 in last 90 daysSpicer Plus, Inc.HVAC · Plumbing32 permits in Groton, CT, last 6 months15 in last 90 daysHenderson Roofing, LLCRoofing · Windows & doors · Building · Siding26 permits in Groton, CT, last 6 months14 in last 90 daysMillas Heating & Cooling LLCHVAC20 permits in Groton, CT, last 6 months11 in last 90 daysPawcatuck Roofing Co., Inc.Roofing18 permits in Groton, CT, last 6 months6 in last 90 daysEvering Electric LlcElectrical16 permits in Groton, CT, last 6 months8 in last 90 daysLedgelight plumbing and heatingPlumbing · HVAC12 permits in Groton, CT, last 6 months6 in last 90 daysThomas GARBATIRoofing · Windows & doors11 permits in Groton, CT, last 6 months6 in last 90 daysAdvanced Improvements, LlcBuilding · Windows & doors · Electrical · Site work · Plumbing11 permits in Groton, CT, last 6 months1 in last 90 daysChris ByrneHVAC · Electrical · Plumbing10 permits in Groton, CT, last 6 months6 in last 90 daysHome Depot USA, Inc.Windows & doors10 permits in Groton, CT, last 6 months6 in last 90 daysTotal Mechanical Systems LLCElectrical · HVAC10 permits in Groton, CT, last 6 months4 in last 90 daysShoreline Solar LLCRoofing · Solar · Electrical10 permits in Groton, CT, last 6 months3 in last 90 daysD.B. Electric Inc.Electrical10 permits in Groton, CT, last 6 months2 in last 90 daysR&W Heating Energy Solutions LLCHVAC9 permits in Groton, CT, last 6 months1 in last 90 daysSoutheast Electric LLCElectrical8 permits in Groton, CT, last 6 months6 in last 90 daysRobert WalterElectrical8 permits in Groton, CT, last 6 months5 in last 90 daysExterior AssociatesWindows & doors8 permits in Groton, CT, last 6 months2 in last 90 daysDb Lunt Electrical ContractorsElectrical7 permits in Groton, CT, last 6 months5 in last 90 daysBenvenuti Oil CompanyHVAC7 permits in Groton, CT, last 6 months4 in last 90 daysBentleyBuilding7 permits in Groton, CT, last 6 months0 in last 90 daysQuality PropaneHVAC6 permits in Groton, CT, last 6 months6 in last 90 daysCoastal PlumbingPlumbing6 permits in Groton, CT, last 6 months5 in last 90 daysChristopher Home ImprovementRoofing · Siding6 permits in Groton, CT, last 6 months4 in last 90 daysScribners Kitchen & BathPlumbing · Electrical · Windows & doors · Building6 permits in Groton, CT, last 6 months3 in last 90 daysDeer Electric LLCElectrical6 permits in Groton, CT, last 6 months3 in last 90 daysRSR ResidentialRoofing6 permits in Groton, CT, last 6 months3 in last 90 daysThe Siding Store, Inc.Siding · Windows & doors · Building · Roofing6 permits in Groton, CT, last 6 months3 in last 90 daysService Station EquipmentHVAC6 permits in Groton, CT, last 6 months2 in last 90 days
See all 186 contractors in Groton
Nearby towns · high-demand trades
Boston · Electrical 5,602Boston · Plumbing 2,322Worcester · Electrical 1,790Providence · Plumbing 1,306Boston · Roofing 1,182Cambridge · Electrical 1,161Providence · Electrical 1,108Bristol · Roofing 1,100Plymouth · Electrical 959Worcester · Plumbing 958Falmouth · Electrical 949Stamford · Electrical 945
Other towns we cover
Boston 15,765Providence 6,758Worcester 5,913Warwick 4,128Falmouth 3,805Plymouth 3,740West Hartford 3,623Stamford 3,366Cambridge 3,304Somerville 2,908Cranston 2,796Bristol 2,700
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Source: Groton permits. Data updated Nov 15, 2026. A permit shows a job was filed with the town. It doesn’t show whether the work was finished or how it turned out. Rankings are by permit volume.