Contractors / Dover, NH
Contractors in Dover, NH
1,405 permits were filed in Dover in the last 6 months, from the town’s own records. 231 contractors have documented permits here in that period, ranked by permit volume.
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Permit activity in Dover, NH
1,405 permits filed in Dover, NH, last 6 months, by 545 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 Dover
Electricians 33HVAC contractors 45Gas fitters 41Building contractors 42Plumbers 36Window & door contractors 18Roofing contractors 30Deck & porch builders 26Insulation contractors 7Solar installers 9
Most active in Dover
East Coast HVACHVAC · Electrical · Gas fitting · Plumbing50 permits in Dover, NH, last 6 months25 in last 90 daysArchitectural Fireplaces Inc.Gas fitting50 permits in Dover, NH, last 6 months1 in last 90 daysOliver MechanicalHVAC47 permits in Dover, NH, last 6 months35 in last 90 daysRelco Reilly ElectricElectrical42 permits in Dover, NH, last 6 months0 in last 90 daysLeavitt Electrical ContractorsElectrical · Building31 permits in Dover, NH, last 6 months25 in last 90 daysMbe0002490Plumbing · Electrical · HVAC · Gas fitting31 permits in Dover, NH, last 6 months17 in last 90 daysEncore Fire ProtectionHVAC · Building29 permits in Dover, NH, last 6 months21 in last 90 daysStonearch Development CorpBuilding20 permits in Dover, NH, last 6 months9 in last 90 daysD.F. Richard EnergyGas fitting18 permits in Dover, NH, last 6 months13 in last 90 daysRobert LeblancWindows & doors18 permits in Dover, NH, last 6 months7 in last 90 daysPj Labrie And SonsHVAC · Plumbing · Gas fitting15 permits in Dover, NH, last 6 months2 in last 90 daysEschmann plumbingGas fitting · Plumbing14 permits in Dover, NH, last 6 months11 in last 90 daysSean MaguireGas fitting · Plumbing · HVAC · Building13 permits in Dover, NH, last 6 months5 in last 90 daysJames DimopoulosInsulation12 permits in Dover, NH, last 6 months10 in last 90 daysHart Plumbing & HeatingHVAC · Plumbing · Gas fitting12 permits in Dover, NH, last 6 months9 in last 90 daysYates Electric Service Inc.Electrical · Building12 permits in Dover, NH, last 6 months5 in last 90 daysPaul the PlumberGas fitting · Electrical · Plumbing · HVAC12 permits in Dover, NH, last 6 months4 in last 90 daysPotter Mechanical LLCGas fitting · Plumbing11 permits in Dover, NH, last 6 months8 in last 90 daysBuilders Installed ProductsGas fitting10 permits in Dover, NH, last 6 months10 in last 90 daysR. A. Mechanical, Inc.HVAC10 permits in Dover, NH, last 6 months8 in last 90 daysNewsky Electrical ContractingElectrical10 permits in Dover, NH, last 6 months7 in last 90 daysQuality InsulationGas fitting · HVAC9 permits in Dover, NH, last 6 months9 in last 90 daysRevision Energy IncSolar · Electrical · HVAC9 permits in Dover, NH, last 6 months6 in last 90 daysJoy's HVAC Services IncHVAC · Gas fitting9 permits in Dover, NH, last 6 months4 in last 90 daysServproBuilding · Insulation9 permits in Dover, NH, last 6 months2 in last 90 daysWatt Wise Services dba Mr Electric of Southeast NHElectrical8 permits in Dover, NH, last 6 months8 in last 90 daysBlue's MIni Splits LLCHVAC8 permits in Dover, NH, last 6 months7 in last 90 daysPat McKenneyElectrical · HVAC8 permits in Dover, NH, last 6 months4 in last 90 daysMoriarty Electric CompanyElectrical · Gas fitting · HVAC7 permits in Dover, NH, last 6 months4 in last 90 daysMcp HvacHVAC · Electrical7 permits in Dover, NH, last 6 months3 in last 90 days
See all 231 contractors in Dover
Nearby towns · high-demand trades
Boston · Electrical 5,660Boston · Plumbing 2,334Worcester · Electrical 1,803Boston · Roofing 1,192Cambridge · Electrical 1,172Plymouth · Electrical 971Worcester · Plumbing 968Falmouth · Electrical 953Somerville · Electrical 907Warwick · HVAC 812Pittsfield · Electrical 790Warwick · Roofing 729
Other towns we cover
Boston 15,893Worcester 5,962Warwick 4,158Falmouth 3,829Plymouth 3,785Cambridge 3,332Somerville 2,926Cranston 2,816Pittsfield 2,660Attleboro 2,270Lexington 2,156Braintree 2,103
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Source: Dover permits. Data updated Nov 13, 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.