Insulation Cost in Federal Way, WA in 2026
Most Insulation projects in Federal Way, WA cost between $1,600 and $6,500. The typical price is $3,200.
Labour and materials in Federal Way run about 15% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Federal Way, WA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.32 |
| Mid-range | $2.65 |
| High-end | $5.51 |
Insulation contractors in Federal Way, WA
Businesses listed on Google near Federal Way, WA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
316 Insulation Auburn
5.0(321 reviews)
420 37th St NW B, Auburn, WA 98001
Attic Crawl
5.0(217 reviews)
2067 S 368th Pl, Federal Way, WA 98003
WA Evergreen Insulation LLC
4.8(229 reviews)
2727 138th St Ct E, Tacoma, WA 98446
Absolute Spray Foam Insulation Auburn
4.9(50 reviews)
30111 50th Ln S, Auburn, WA 98001
Boulton Insulation
4.7(57 reviews)
2301 E Q St, Tacoma, WA 98421
Quality Insulation
5.0(30 reviews)
Federal Way, WA 98003