Attic Insulation cost: Gresham vs Medford (2026)
Gresham runs 3% higher than Medford for attic insulation — expect around $4,000 in Gresham against $3,900 in Medford, a difference of about $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 |
These are 2026 planning figures for attic insulation, localized to each city — not formal quotes.
Is the gap worth worrying about?
3% is within noise for attic insulation — contractor selection and timing move the price more than which of these two metros you're in.
Attic insulation by type: Gresham vs Medford
Below, each attic insulation option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Gresham | Medford |
|---|---|---|
| Fiberglass batts | $1,600–$4,250 | $1,550–$4,150 |
| Blown-in fiberglass | $1,600–$4,800 | $1,550–$4,650 |
| Blown cellulose | $1,800–$5,350 | $1,750–$5,150 |
| Spray foam | $3,750–$9,600 | $3,600–$9,300 |
Treat these as 2026 localized estimates for attic insulation, not quotes from a contractor.
Attic insulation by area: Gresham vs Medford
Attic insulation is priced by the square foot of attic floor, typically $1–$7 per sq ft installed depending on material and how deep you build the R-value. Blown-in is cheapest; spray foam costs the most.
| Size | Gresham | Medford |
|---|---|---|
| 500 sq ft | $750–$2,350 | $700–$2,250 |
| 1,000 sq ft | $1,300–$3,750 | $1,250–$3,600 |
| 1,500 sq ft | $1,900–$5,350 | $1,850–$5,150 |
| 2,000+ sq ft | $2,550–$6,950 | $2,500–$6,700 |
Attic 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 attic 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 attic insulation in either city
The fall insulation rush drives prices up because everyone's thinking about the coming winter at once. Book in spring or summer instead, when demand is lower and rebate funds haven't been claimed yet.
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 rebate case
Few home projects come with rebate support like insulation does — utility and state programs routinely offset a meaningful slice of the bill (the federal 25C credit closed in December 2025). Run your address through DSIRE first, and book when a program's yearly budget has just refilled.
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 R-value case
The DOE publishes a target R-value for every climate zone, and there's a reason to reach it: stopping short shaves a little off install day but forfeits years of lower energy bills and steadier indoor temperatures. Under-insulating is the one shortcut here that never actually pays.
Payback is the whole point with insulation, and it arrives fastest when the job is done in full: air-sealing, the DOE-recommended R-value for your climate zone, and whatever utility rebates you qualify for. Trimming any one of those trims the return, not the cost.
Gresham vs Medford
Is attic insulation cheaper in Gresham or Medford?
Yes — Gresham costs more. Expect around $4,000 for attic insulation there against $3,900 in Medford, about $100 (3%) apart in 2026.
Why does attic 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 attic insulation in Gresham, OR?
Expect to pay $1,600 to $6,400 for attic insulation in Gresham in 2026, averaging around $4,000.
When is the cheapest time to buy attic insulation — and does it differ by city?
No, the seasonal pattern is the same in Gresham and Medford: book during Spring and summer for about 5–10% in savings. The pre-winter fall rush is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on attic insulation cost?
Rarely. The $100 difference is real but one-time, and you can often close most of it in Gresham 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 attic insulation in other cities
Updated June 2026 · By Serhat Özçelik