Insulation Cost in Maple Valley, WA in 2026
Most Insulation projects in Maple Valley, WA cost between $1,600 and $6,500. The typical price is $3,100.
Labour and materials in Maple Valley run about 13% 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 Maple Valley, WA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.30 |
| Mid-range | $2.61 |
| High-end | $5.44 |
Insulation contractors in Maple Valley, WA
Businesses listed on Google near Maple Valley, 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
INSULATION PRO INC
4.9(55 reviews)
555 Andover Park W #200, Tukwila, WA 98188
Specialty Insulation NW
5.0(48 reviews)
11335 NE 122nd Way Ste 105, Kirkland, WA 98034
Absolute Spray Foam Insulation Auburn
4.9(50 reviews)
30111 50th Ln S, Auburn, WA 98001
ACE CRAWLSPACE PRO LLC
5.0(32 reviews)
12812 SE 272nd Pl #4, Kent, WA 98030
Lake Atitlan Insulation
5.0(27 reviews)
29852 24th Pl S, Federal Way, WA 98003