Mass Home Comfort
Find contractors
Insulation · Everett, MA

Insulation in Everett, Massachusetts

Compare contractors serving Everett, Middlesex County — call them directly, or send one request and let the ones who want the job come to you.

30 contractors serving Everett — including 3 based in town.

Contractors serving Everett

Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors

Mass Save in EverettEligible

Everett is in National Grid territory, so homeowners qualify for the full Mass Save program. A no-cost Mass Save Home Energy Assessment is the first step; Mass Save then typically covers 75-100% of approved insulation and air-sealing costs (100% for income-eligible households), with the 0% Mass Save HEAT Loan up to $25,000 for the homeowner share. In Everett's older two- and three-families, the assessment routinely turns up knob-and-tube wiring that has to be cleared, and pre-1981 attics that should be checked for vermiculite before any insulation goes in.

Read next

Insulation in Everett — what to know

Permits in Everett

Insulation in Everett usually needs no standalone building permit, but the contractor should carry a Home Improvement Contractor (HIC) registration, with a Construction Supervisor License (CSL) for structural-adjacent work. Mass Save jobs require a participating contractor. Spray foam must meet Massachusetts fire and ignition-barrier code, including a thermal barrier over exposed foam. Because so many Everett homes still have knob-and-tube, an electrician must remediate or de-energize it under an electrical permit before dense-packing the walls.

Where a permit is required, insulation work in Everett is filed with the Everett Building Department; see the Everett Building Department’s contact, portal and who pulls the permit on permits.llc.

Typical project cost

As a dense inner-core city, Everett's insulation costs run toward the higher end of eastern Massachusetts, with tight access and shared walls in multi-families adding labor. 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. Because Everett is a Mass Save town, the 75-100% incentive can bring out-of-pocket near zero on qualifying work. The main wildcard is knob-and-tube remediation, which is a separate electrical cost before the walls can be filled.

About Everett homes

Everett is a dense Middlesex County city of about 48,685 people in roughly 18,170 housing units, packed into a small footprint just north of Boston. The median home is around 88 years old, so the building stock skews heavily to pre-war two- and three-family houses and balloon-framed singles.

That age defines the insulation reality here. Balloon-framed walls with open stud cavities, plaster-and-lath interiors, and original knob-and-tube wiring are common, and many homes have never had wall insulation at all. Dense-pack cellulose in the walls, attic-floor insulation with air sealing, and rim-joist work in basements are the typical jobs.

Common questions — Insulation in Everett

Does Mass Save pay for insulation in Everett?
Yes. Everett is served by an investor-owned utility, so after a no-cost Mass Save Home Energy Assessment the program covers 75 to 100 percent of approved insulation and air sealing (no cost for income-eligible households) and finances the rest through the 0 percent HEAT Loan.
My Everett two-family still has knob-and-tube. Can I insulate?
Not until it's handled. Active knob-and-tube wiring must be remediated or de-energized by an electrician before dense-packing, since burying live wiring in insulation is a fire hazard. A Mass Save assessment flags this early.
Do balloon-framed walls in old Everett homes hold insulation?
Yes, and they often need it. Balloon-framed walls have continuous open cavities from sill to attic, which dense-pack cellulose fills well while also slowing the chimney-effect drafts these homes are known for.
Should I worry about asbestos in my pre-war Everett attic?
If the attic has loose granular vermiculite (Zonolite) and the home predates 1981, it may contain asbestos and should be tested before work. Homes with standard fiberglass batts are not affected.
Do I need a permit to add attic insulation in Everett?
Insulation alone usually needs no building permit. Your installer should be a Home Improvement Contractor registrant, and any knob-and-tube or structural work is permitted separately.

Insulation guides for Massachusetts homeowners

All Insulation guides →

Insulation contractors in nearby towns

ChelseaMaldenSomervilleMedfordRevereMelroseCambridgeWinthrop