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Insulation in Spokane, WA

Compare 4 local insulation pros. Typical service: $1431–$2759.

Top Insulation Companies in Spokane

  1. 1.USA Insulation of Spokane - CDA

    4.7★ (51 reviews)

    4.7★ from 51 reviews

    +15098625655Website

  2. 2.Inland Northwest Spray Foam Insulation

    4.4★ (20 reviews)

    4.4★ from 20 reviews

    +15094710006Website

  3. 3.Pacific Insulation

    4.4★ (7 reviews)

    4.4★ from 7 reviews

    +15098790495Website

  4. 4.Professional Insulation

    4.0★ (2 reviews)

    4.0★ from 2 reviews

    +15093255073Website

Insulation Cost in Spokane

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Spokane
Attic blown-in insulation$1,431–$2,759/job
Attic spray foam$3,066–$6,132/job

Insulation prices in Spokane run about 2% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 4 companies serving Spokane, rated 4.4★ on average across 80 customer reviews.

Spokane Climate & Seasonal Timing

What Spokane's weather means for scheduling insulation.

Last spring frost
May 2
First fall frost
October 8
Annual precipitation
17.78"
Heating degree days
6,294
Cooling degree days
407
MonthLowHighPrecip
Jan25.9°36.8°1.95"
Feb26.5°42.1°1.38"
Mar31.1°50.5°1.57"
Apr36°58.4°1.24"
May42.1°67.7°1.71"
Jun50°74.8°1.37"
Jul54.3°85.4°0.82"
Aug54.4°84.2°0.7"
Sep46.4°74.6°0.84"
Oct36.8°59.3°1.37"
Nov30.4°43.8°2.27"
Dec24°35.3°2.56"

NOAA station data 5.37 miles from Spokane.

Permits & Regulations in WA

  • Painting and remodeling in Washington require Labor and Industries contractor registration, with no dollar-based exemption
  • Specialty contractor registration requires a $6,000 surety bond and liability insurance
  • Work that disturbs paint in homes built before 1978 must be done by a Lead-Safe Certified firm under the EPA Renovation, Repair and Painting Rule

License required: Washington L&I specialty contractor registration

Sources: lni.wa.gov, www.epa.gov

Insulation FAQs for Spokane

How much does attic insulation cost in Spokane?

Blown-in attic insulation in Spokane typically runs $1431-$2759 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve Spokane?

We track 4 insulation contractors serving Spokane.

Is insulation in Spokane more expensive than average?

Installation labor in Spokane runs about +2.2% versus the national average.

How much insulation does a home in Spokane need?

Spokane sees about 6,294 heating degree days and 407 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with Spokane summers?

Yes -- with summer highs near 85F in Spokane, attic insulation cuts the heat load on the air conditioner as much as it holds heat in winter.

Do insulation contractors in WA need a license?

In WA, Painting and remodeling in Washington require Labor and Industries contractor registration, with no dollar-based exemption. Adding attic insulation in Spokane rarely needs a permit.

Is spray foam worth it in Spokane?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1431-$2759 gets most Spokane homes the same R-value for less.

How many quotes should I get for insulation in Spokane?

Two or three; with 4 insulation contractors serving Spokane, compare the R-value and depth each quote installs, not just the price.