Spray Foam Insulation cost: Portland vs Salem (2026)
In 2026, spray foam 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 spray foam insulation range for local labor, climate and permits.
Portland vs Salem
Is spray foam insulation cheaper in Portland or Salem?
In 2026, spray foam insulation is cheaper in Salem at about $3,850, versus $4,000 in Portland — a difference of about $150 (4%).
Why does spray foam 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 spray foam insulation in Portland, OR?
In Portland, spray foam insulation typically runs $1,600–$6,400 in 2026, with most homeowners paying around $4,000.
Updated June 2026 · By Costadia Editorial