Top-Rated Insulation Installers in Jersey City, NJ

4 local companies ranked by 163 Google reviews. Free to compare, no sign-up.

Ratings and review counts from Google Maps, collected October 2026 · Page updated October 9, 2026

4Companies
163Google reviews
4.9★Average rating
Oct 2026Data collected
Ranked by Google reviewsNever paid forFree to compare

Short answer: The top-rated insulation installers in Jersey City are Attic & Mold Crew (5.0★, 43 reviews), J.J. Builders LLC (4.9★, 66 reviews), Falcon Builders | Contractors Jersey City (4.9★, 36 reviews).

Insulation installers in Jersey City, ranked 4 listed

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  1. 1
    Attic & Mold CrewTop pick
    5.0 (43 Google reviews)
    317 Old Bergen Rd, Jersey City, NJ 07305
    Call (551) 372-7428Google reviewsDirections
  2. 2
    J.J. Builders LLCTop pickMost reviews
    4.9 (66 Google reviews)
    344 Grove St #157, Jersey City, NJ 07302
    Call (800) 616-3831WebsiteGoogle reviewsDirections
  3. 3
    Falcon Builders | Contractors Jersey CityTop pickAlso installs heat pumps
    4.9 (36 Google reviews)
    315 3rd St, Jersey City, NJ 07302
    Call (201) 904-6128WebsiteGoogle reviewsDirections
  4. 4
    Jeffries Building Solutions
    5.0 (18 Google reviews)
    48 Court House Pl, Jersey City, NJ 07306
    Call (201) 832-7052WebsiteGoogle reviewsDirections

Together these 4 companies average 4.9★ across 163 reviews. J.J. Builders LLC has the most reviews (66).

Ranked by Google rating weighted by review count, collected October 2026. Rankings are never paid for. How we rank and how we make money.

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What a insulation costs in Jersey City

Typical installed priceVaries by area

Price depends on which areas you insulate (attic, walls, basement) and how much air sealing is needed. Ask each company for a price per area and the R-value you end up with, so quotes are easy to compare.

Rebates open in Jersey CityNone confirmed right now

Financing or future programs may still help. Check the rebate page before you sign.

Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.

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Before you hire a insulation installer

  1. Ask whether they will air-seal before insulating, and what they will seal (attic hatch, pot lights, pipes, top plates).
  2. Ask for the R-value before and after for each area, and the material and depth they will install.
  3. Ask whether your rebate needs an energy assessment before and after the work, and who books it.
  4. Ask how they handle ventilation and any old insulation that could contain vermiculite (asbestos risk).

Questions about insulation installers in Jersey City

Who is the best insulation installer in Jersey City?

Based on Google reviews, the top-rated insulation installers in Jersey City are Attic & Mold Crew (5.0★, 43 reviews), J.J. Builders LLC (4.9★, 66 reviews), Falcon Builders | Contractors Jersey City (4.9★, 36 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.

How are the insulation installers in Jersey City ranked?

We list 4 insulation companies in Jersey City, ranked by Google rating weighted by review count. Together they have 163 Google reviews and average 4.9 stars, collected October 2026. J.J. Builders LLC has the most reviews (66). No company pays to be listed or ranked.

How much does insulation cost in Jersey City?

Insulation prices depend on which areas you insulate (attic, walls, basement) and how much air sealing is needed. Ask each company for a price per area and the R-value you end up with, so quotes are easy to compare.

Are there rebates for insulation in Jersey City?

We have no confirmed open insulation rebate for Jersey City right now. Financing or future programs may still help, so check the rebate page before you sign.

What should I ask an insulation installer before I hire?

Ask whether they will air-seal before insulating, and what they will seal (attic hatch, pot lights, pipes, top plates). Ask for the R-value before and after for each area, and the material and depth they will install. Ask whether your rebate needs an energy assessment before and after the work, and who books it.

Before you call anyone, check what insulation rebates you can get in Jersey City. Many programs require approval or a registered contractor before work starts.

Planning more upgrades? See the top-rated heat pump installers, solar installers, home battery installers in Jersey City.

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