Spray Foam Insulation cost: Eugene vs Medford (2026)
Eugene runs 1% lower than Medford for spray foam insulation — expect around $3,850 in Eugene against $3,900 in Medford, a difference of about $50.
Eugene OR
Lower costTypically around $3,850
Medford OR
Typically around $3,900
Eugene vs Medford: full breakdown
| Factor | Eugene | Medford |
|---|---|---|
| Typical 2026 cost | $3,850 | $3,900 |
| Estimated range | $1,550–$6,150 | $1,550–$6,200 |
| Labor index (vs US) | ×1.03 | ×1.03 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,100 | $2,150 |
| Materials/equipment | $1,750 | $1,750 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
How much should this gap actually matter?
At 1%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for spray foam insulation — focus on the contractor, not the city.
Spray foam insulation by type: Eugene vs Medford
We localize each spray foam insulation type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Eugene | Medford |
|---|---|---|
| Open-cell | $1,550–$4,600 | $1,550–$4,650 |
| Closed-cell | $2,550–$7,200 | $2,600–$7,250 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Spray foam insulation by area: Eugene 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 | Eugene | Medford |
|---|---|---|
| 500 sq ft | $900–$2,450 | $950–$2,500 |
| 1,000 sq ft | $1,550–$4,100 | $1,550–$4,150 |
| 1,500 sq ft | $2,250–$5,650 | $2,250–$5,700 |
| 2,000+ sq ft | $2,900–$6,700 | $2,900–$6,700 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Cheapest time for spray foam insulation in either city
Everyone waits until fall to insulate, which is exactly why fall costs the most. Spring and summer are quieter for installers and often catch a fresh year's rebate budget before it runs dry.
How much insulation is worth paying for?
Where an insulation budget lands depends less on square footage than on three calls — the R-value you target, whether air-sealing rides along, and which material fills the cavity.
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.
The air-sealing case
Skip air-sealing and you're insulating around the very holes letting conditioned air leak out. Caulk, foam and weatherstripping are inexpensive and often return more felt comfort than a thicker blanket of insulation ever would — insist the crew handles the leaks before they bury them.
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.
Eugene vs Medford
Is spray foam insulation cheaper in Eugene or Medford?
Yes — Medford costs more. Expect around $3,900 for spray foam insulation there against $3,850 in Eugene, about $50 (1%) apart in 2026.
Why does spray foam insulation cost more in Medford than Eugene?
It comes down to labor: Medford indexes at 1.03 against Eugene's 1.03. The mixed-vs-mixed climate difference adds to the gap.
How much is spray foam insulation in Eugene, OR?
spray foam insulation in Eugene runs $1,550–$6,150 as of 2026 — most jobs land near $3,850.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
It doesn't vary by location — Spring and summer is the discount window in both Eugene and Medford (roughly 5–10% off), while the pre-winter fall rush tends to be the most expensive in either city.
Should I choose where to live based on spray foam insulation cost?
Rarely. The $50 difference is real but one-time, and you can often close most of it in Medford by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik