Attic Insulation cost: Portland vs Salem (2026)
In 2026, attic insulation is about 4% more expensive in Portland than in Salem. Most homeowners pay around $4,000 in Portland versus $3,850 in Salem — a gap of roughly $150.
Portland OR
Typically around $4,000
Salem OR
Lower costTypically around $3,850
Portland vs Salem: full breakdown
| Factor | Portland | Salem |
|---|---|---|
| Typical 2026 cost | $4,000 | $3,850 |
| Estimated range | $1,600–$6,400 | $1,550–$6,150 |
| Labor index (vs US) | ×1.07 | ×1.03 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,200 | $2,100 |
| Materials/equipment | $1,800 | $1,750 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national attic insulation range for local labor, climate and permits.
Portland vs Salem
Is attic insulation cheaper in Portland or Salem?
In 2026, attic insulation is cheaper in Salem at about $3,850, versus $4,000 in Portland — a difference of about $150 (4%).
Why does attic insulation cost more in Portland than Salem?
The main driver is local labor rates: Portland's labor index is 1.07 versus 1.03 in Salem. Climate zone (mixed vs mixed) also shift the total.
How much is attic insulation in Portland, OR?
In Portland, attic insulation typically runs $1,600–$6,400 in 2026, with most homeowners paying around $4,000.
Updated June 2026 · By Costadia Editorial