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Insulation in Portland, OR

Compare 6 local insulation pros. Typical service: $1704–$3286.

Top Insulation Companies in Portland

  1. 1.GreenSavers - Portland

    4.7★ (245 reviews)

    4.7★ from 245 reviews

    +15032238767Website

  2. 2.Hi-Provac

    5.0★ (146 reviews)

    5.0★ from 146 reviews

    +15037543881Website

  3. 3.Quality Spray Foam Insulation Portland

    5.0★ (34 reviews)

    5.0★ from 34 reviews

    +19713144827Website

  4. 4.Alpha Solutions

    5.0★ (29 reviews)

    5.0★ from 29 reviews

    +19712992806Website

  5. 5.Goliath

    4.8★ (26 reviews)

    4.8★ from 26 reviews

    +19713146059Website

  6. 6.Evergreen Providence

    5.0★ (16 reviews)

    5.0★ from 16 reviews

    +19714491058

Insulation Cost in Portland

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

ServiceTypical range in Portland
Attic blown-in insulation$1,704–$3,286/job
Attic spray foam$3,651–$7,302/job

Insulation prices in Portland run about 22% 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 6 companies serving Portland, rated 4.9★ on average across 496 customer reviews.

Portland Climate & Seasonal Timing

What Portland's weather means for scheduling insulation.

Last spring frost
February 26
First fall frost
November 30
Annual precipitation
42.85"
Heating degree days
4,235
Cooling degree days
413
MonthLowHighPrecip
Jan37.5°46.9°6.14"
Feb38.4°50.8°4.63"
Mar41°56°4.5"
Apr44°60.8°3.4"
May48.9°67.4°2.55"
Jun53.3°72.9°1.69"
Jul57.4°79.6°0.59"
Aug58°80.1°0.71"
Sep54.2°74.6°1.54"
Oct47.6°62.9°3.42"
Nov41.4°52°6.74"
Dec36.5°45.1°6.94"

NOAA station data 2.31 miles from Portland.

Permits & Regulations in OR

  • Painting and remodeling in Oregon require a Construction Contractors Board license; only casual, minor work under $1,000 on one project is exempt
  • A CCB license requires pre-license training and an exam
  • 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: Oregon CCB license (exemption under $1,000)

Sources: www.oregon.gov, oregon.public.law, www.epa.gov

Insulation FAQs for Portland

How much does attic insulation cost in Portland?

Blown-in attic insulation in Portland typically runs $1704-$3286 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve Portland?

We track 6 insulation contractors serving Portland.

Is insulation in Portland more expensive than average?

Installation labor in Portland runs about +21.7% versus the national average.

How much insulation does a home in Portland need?

Portland sees about 4,235 heating degree days and 413 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with Portland summers?

Yes -- with summer highs near 80F in Portland, attic insulation cuts the heat load on the air conditioner as much as it holds heat in winter.

Do insulation contractors in OR need a license?

In OR, Painting and remodeling in Oregon require a Construction Contractors Board license; only casual, minor work under $1,000 on one project is exempt. Adding attic insulation in Portland rarely needs a permit.

Is spray foam worth it in Portland?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1704-$3286 gets most Portland homes the same R-value for less.

How many quotes should I get for insulation in Portland?

Two or three; with 6 insulation contractors serving Portland, compare the R-value and depth each quote installs, not just the price.