Top-Rated Insulation Installers in Santa Monica, CA

4 local companies ranked by 161 Google reviews. Free to compare, no sign-up.

Ratings collected September 2026 · Page updated September 30, 2026

4Companies
161Google reviews
4.9★Average rating
Sep 2026Data collected
Ranked by Google reviewsNever paid forFree to compare

Short answer: The top-rated insulation installers in Santa Monica are Koala Insulation of the Westside (4.9★, 110 reviews), RP Service Attic Insulation (5.0★, 30 reviews), Attic Insulation Los Angeles (5.0★, 11 reviews).

Insulation installers in Santa Monica, ranked 4 listed

Sort by
  1. 1
    Koala Insulation of the WestsideTop pickMost reviews
    4.9 (110 Google reviews)
    1805 Warwick Ave, Santa Monica, CA 90404
    Call (310) 218-1850WebsiteGoogle reviewsDirections
  2. 2
    RP Service Attic InsulationTop pick
    5.0 (30 Google reviews)
    2425 Olympic Blvd suite 4000 w, Santa Monica, CA 90404
    Call (424) 240-7989Google reviewsDirections
  3. 3
    Attic Insulation Los AngelesTop pick
    5.0 (11 Google reviews)
    10250 Santa Monica Blvd #27, Los Angeles, CA 90067
    Call (323) 430-8585WebsiteGoogle reviewsDirections
  4. 4
    Fortress Advanced Insulation
    4.8 (10 Google reviews)
    1139 16th St, Santa Monica, CA 90403
    Call (424) 500-0773Google reviewsDirections

Together these 4 companies average 4.9★ across 161 reviews. Koala Insulation of the Westside has the most reviews (110).

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

Listed here? Get your free top-rated badge for your website.

What a insulation costs in Santa Monica

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 Santa MonicaNone 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.

Get free quotes from these insulation installers

Pick up to 3 companies and tell them what you want done. We send your request straight to them. Free, no obligation.

Which companies should quote?
What do you want done?

We only share your details with the companies you pick, and never sell them. Privacy policy.

Why insulation matters in Santa Monica

In Santa Monica, the average January low is 8°C (46°F), colder than 4% of the 123 cities we track. Winters here are mild, so comfort and summer heat matter as much as heating bills. Air sealing and attic insulation still help most, and they also keep upstairs rooms cooler in summer.

Most rebate programs pay only after an energy assessment, and some need one before the work too. Book it first.

Source: Open-Meteo historical weather data, 2015-2024.

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).

Before you call anyone, check what insulation rebates you can get in Santa Monica. 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 Santa Monica.

See every rebate in Santa Monica

Compare top-rated local installers, ranked by Google reviews, and see the rebates you can stack. Free for homeowners.

See Santa Monica rebates →
From Sam

Get the monthly rebate update

Once a month: new and changing rebate programs across every province and state we cover, plus what's new in heat pumps, solar and batteries. Short, sourced, no marketing.

No spam, ever. Unsubscribe anytime.

See your rebates and top installers