Spray Foam Insulation cost: Gresham vs Medford (2026)
In 2026, spray foam insulation is about 3% more expensive in Gresham than in Medford. Most homeowners pay around $4,000 in Gresham versus $3,900 in Medford — a gap of roughly $100.
Gresham OR
Typically around $4,000
Medford OR
Lower costTypically around $3,900
Gresham vs Medford: full breakdown
| Factor | Gresham | Medford |
|---|---|---|
| Typical 2026 cost | $4,000 | $3,900 |
| Estimated range | $1,600–$6,400 | $1,550–$6,200 |
| Labor index (vs US) | ×1.07 | ×1.03 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,200 | $2,150 |
| Materials/equipment | $1,800 | $1,750 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
How much should this gap actually matter?
3% is within noise for spray foam insulation — contractor selection and timing move the price more than which of these two metros you're in.
Spray foam insulation by type: Gresham vs Medford
Every spray foam insulation type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Gresham | Medford |
|---|---|---|
| Open-cell | $1,600–$4,800 | $1,550–$4,650 |
| Closed-cell | $2,650–$7,450 | $2,600–$7,250 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Spray foam insulation by area: Gresham vs Medford
Spray foam is priced by board foot (1 sq ft at 1 inch thick), which works out to about $1.50–$5 per sq ft of surface installed depending on foam type and thickness. Closed-cell costs more but adds twice the R-value per inch.
| Size | Gresham | Medford |
|---|---|---|
| 500 sq ft | $950–$2,550 | $950–$2,500 |
| 1,000 sq ft | $1,600–$4,250 | $1,550–$4,150 |
| 1,500 sq ft | $2,350–$5,850 | $2,250–$5,700 |
| 2,000+ sq ft | $3,000–$6,950 | $2,900–$6,700 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
What insulation pros earn in each metro
Labor is about 55% of a spray foam insulation bill, so local wages drive most of the gap. These are real metro hourly wages for skilled installers (BLS OEWS), not estimates.
Portland-Vancouver-Hillsboro metro · about 12% above the US average installer wage.
No BLS metro wage series for Medford; we use Oregon regional price parity instead.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for spray foam insulation in either city
Demand for insulation spikes every fall as winter approaches, pushing prices with it. Spring and summer avoid that crowd, and utility rebate pools are frequently still fresh that early in the year.
How much insulation is worth paying for?
Insulation is one of the few home upgrades where spending more can genuinely pay for itself. Our editors on the choices that decide both cost and payback.
The air-sealing case
Insulation without air-sealing underperforms. Sealing leaks first is cheap and often delivers more comfort per dollar than thicker insulation alone — make sure it's in the scope.
The rebate case
Insulation carries some of the strongest incentive money in remodeling, with utility and state rebates covering a real portion of the cost since the federal 25C credit expired at the end of 2025. Look up what applies on DSIRE, then schedule the work while rebate funds are still unclaimed for the year.
The R-value case
Insulate to the DOE recommendation for your climate zone — under-insulating to save money leaves comfort and energy savings on the table that would have paid the job back.
What makes insulation unusual is that the thorough version and the cheap version are the same version — seal first, meet the DOE R-value for your zone, and layer on the rebates. A partial job just pushes the payback date further out.
Gresham vs Medford
Is spray foam insulation cheaper in Gresham or Medford?
Yes — Gresham costs more. Expect around $4,000 for spray foam insulation there against $3,900 in Medford, about $100 (3%) apart in 2026.
Why does spray foam insulation cost more in Gresham than Medford?
Labor rates explain most of it — 1.07 in Gresham vs 1.03 in Medford. A mixed climate versus mixed accounts for the rest.
How much is spray foam insulation in Gresham, OR?
Gresham homeowners can expect $1,600 to $6,400 for spray foam insulation in 2026, with $4,000 the typical number.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
Timing doesn't change by city here — Spring and summer is the cheapest window in both Gresham and Medford, saving roughly 5–10%. Avoid the pre-winter fall rush in either location, when emergency replacements push prices up.
Should I choose where to live based on spray foam insulation cost?
Probably not. Yes, $100 is a real gap, but it's a one-time cost you can partly offset in Gresham with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik