Efficient Buildings INC
Insulation in Dartmouth, MA · ★ 4.9 Google rating
Google rating as of October 2026. How ratings work here
- Address
- 973 Reed Rd, Dartmouth, MA 02747
- Phone
- (508) 279-1110
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About Efficient Buildings INC
Efficient Buildings INC is a Insulation contractor based in Dartmouth, Bristol County, Massachusetts, at 973 Reed Rd, Dartmouth, MA 02747. It has a Google rating of 4.9 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.
Service area
Based in Dartmouth, Efficient Buildings INC is within a short drive of New Bedford (5 mi), Fall River (5 mi), Westport (6 mi), Acushnet (8 mi), Freetown (8 mi) and Somerset (8 mi). Most Massachusetts insulation contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.
Hiring a Insulation contractor in Dartmouth
Insulation work in Dartmouth usually needs no standalone building permit, but the contractor should hold a current Home Improvement Contractor (HIC) registration, with a Construction Supervisor License (CSL) for structural work. Mass Save incentives require a participating, approved contractor. Spray foam must meet Massachusetts fire and ignition-barrier code. Dartmouth has substantial wetlands and coastal resource areas, so foundation or crawlspace work near a marsh or shoreline can trigger Conservation Commission review, though attic and wall insulation alone generally does not.
Dartmouth sits in the South Coast region, where pricing tracks a little under Boston metro. Attic insulation typically runs $1,500-$4,000, dense-pack wall insulation $2,000-$6,000, and air sealing $300-$1,500; spray foam runs higher per square foot. The main cost drivers are attic access, how much old insulation has to be removed, and whether knob-and-tube needs clearing first. Because Dartmouth is an Eversource town, the Mass Save 75-100% incentive can bring out-of-pocket near zero on approved measures.
Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential insulation work; ask for the registration number and check it before paying a deposit.
More on permits, costs, rebates and common questions, plus every other insulation contractor serving the town, on the Insulation in Dartmouth page.
Services listed
Efficient Buildings INC is listed for 2 trades in Dartmouth: Decks & Porches and Insulation.
Other Insulation contractors in Dartmouth
See all Insulation in Dartmouth.