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2026 cost data

Insulation Cost in Portland, OR (2026)

Insulation contractors in Portland, OR price above the national average. Here is what attic, wall, crawlspace and spray foam work should cost in the Portland metro in 2026.

Insulation prices per square foot

Installed prices — material plus labor — adjusted for Portland, OR labor rates.

Job typeInstalled cost / sq ft1,500 sq ft attic
Attic blown-in fiberglass (R-49)$2.11$3,164
Attic blown-in cellulose (R-49)$1.94$2,907
Attic fiberglass batts (R-38)$1.82$2,736
Wall batts, open framing (R-15)$1.99$2,993
Wall dense-pack retrofit (drill & fill)$2.96$4,446
Crawlspace floor or wall insulation$2.39$3,591
Basement rigid foam + framing$3.53$5,301
Open-cell spray foam (3.5")$2.22$3,335
Closed-cell spray foam (2")$4.10$6,156
Old insulation removal & disposal$1.77$2,651

What whole jobs cost

Typical projectLocal price range
Attic top-up (1,500 sq ft)$1,710 – $2,964
Full attic removal + re-insulate$3,648 – $6,156
Whole-house wall retrofit (2,000 sq ft home)$4,788 – $8,892
Crawlspace encapsulation + insulation$4,332 – $10,260
Garage conversion insulation$1,026 – $2,508
Whole-home spray foam (new build)$8,550 – $18,240

Climate zone 4 R-value targets

Department of Energy retrofit recommendations for this zone.

Attic
R-60
Walls
R-20
Floors
R-30
Check your current R-value →

Price your own job

These tables are averages. Punch in your real measurements for a number you can compare against a bid.

Insulation costAtticBlown-in bagsProject total

Statewide context

See how the Portland metro compares with the rest of Oregon.

Insulation cost in Oregon →

Insulation cost FAQs for Portland, OR

How much does attic insulation cost in Portland, OR?

A 1,500 sq ft attic blown to R-49 runs about $2,689 to $3,796 installed in Portland, OR, or roughly $2.11 per square foot. DIY with rented equipment cuts that by 45–60%.

Is insulation cheaper to DIY in Portland, OR?

Yes. Labor is most of an insulation bid, so blowing your own attic or installing batts typically saves 45–60% of the installed price. Spray foam, dense-pack wall retrofits and removal jobs are worth hiring out.

What drives insulation prices in Portland, OR?

Local labor rates, how far crews travel, attic access, whether old insulation has to be removed first, and the R-value your climate zone calls for. Material prices barely change between states — labor is the swing factor.

Are there rebates in Portland, OR?

The federal 25C tax credit covers 30% of insulation and air-sealing material costs up to $1,200 per year, and most utilities add their own attic and air-sealing rebates. Always check with your utility before booking work.

Materials for an insulation job in Portland, OR

Fiberglass Insulation Rolls R13Browse current prices and top-rated options on Amazon

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