Insulation contractors in Seattle, WA
Compare insulation contractors serving Seattle and the surrounding area. Review each contractor's services, ratings, and key details, then use the questions below to verify scope and pricing before booking estimates.
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Compare insulation contractors in Seattle
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Insulation Co
1420 E Pine St, Seattle, WA 98122
Insulation Co. LLC provides attic and crawl space cleaning and insulation services in Seattle, WA, with a broad range of insulation and related home comfort services. Reviews highlight professional, clear communication and high-quality workmanship.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Jo sent the estimate and the guys came out a few weeks later to do the job.”
review: Shows responsiveness and scheduling.
Workmanship
Excellent
Communication
Excellent
Scheduling
Good
Cleanup
Ask during quoting
Signature Insulation Inc
7101 62nd Ave NE, Seattle, WA 98115
Seattle-based insulation contractor offering spray foam, attic, fiberglass, blown-in insulation for residential and commercial projects, with a focus on energy efficiency and comfort; free quotes and consultations available; serves Seattle and surrounding areas.
Services offered
Trust signals
From reviews & website
“our team specializes in high-quality insulation installation, upgrades, and replacements”
website: Shows core services offered.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Cascadia Spray Foam Insulation of Seattle
4659 S Willow St, Seattle, WA 98118
Seattle-area spray foam insulation contractor with strong homeowner reviews highlighting communication, service quality, and pricing.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“These guys are great. Very impressed with the work they did and their customer service and prices were top notch. Would definitely hire them again if I ever need work done again.”
review: Supports overall satisfaction with workmanship and value.
Workmanship
Excellent
Communication
Excellent
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Super Attic Solution
2116 4th Ave suite 2711, Seattle, WA 98121
Seattle-based Super Attic Solution with a 4.8 rating.
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Hudson Bay Insulation
210 S Hudson St, Seattle, WA 98134
Seattle-area insulation contractor offering home, attic, and wall insulation services with positive homeowner reviews citing on-time crews, clear explanations, and good value.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“North Puget Sound Home, Attic & Wall Insulation Contractors”
website: Shows the provider focuses on home insulation across key areas (home, attic, walls).
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Precision Spray Foam Insulation Seattle
7101 62nd Ave NE, Seattle, WA 98115
Seattle-area insulation contractor offering spray foam and other insulation services for homes and businesses, with a focus on energy efficiency, comfort, and consultative service, supported by positive customer reviews on punctuality and workmanship.
Services offered
Trust signals
From reviews & website
“Serving Seattle, WA, we are a trusted insulation contractor dedicated to improving energy efficiency and comfort in homes and businesses.”
website: Establishes trust signals and reliability.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Ask during quoting
USA Insulation of North Puget Sound
11905 124th Ave NE, Kirkland, WA 98034
USA Insulation of North Puget Sound appears linked to Attic Doctor’s service offerings (attic insulation, mold remediation, crawl space work, air & duct services) with favorable homeowner reviews noting responsiveness, cleanliness, and fair pricing.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Attic Insulation Installation”
website: Shows the provider offers attic insulation installation services.
Workmanship
Excellent
Communication
Excellent
Scheduling
Excellent
Cleanup
Excellent
Northwest Crawl Space Services
10710 NE 28th St, Bellevue, WA 98004
Northwest Crawl Space Services appears linked to West Coast Insulation’s product offerings (insulation materials, marine insulation accessories, and exhaust lagging products). Customer feedback is mixed but includes a strong positive note on professionalism and value, with a parking-related complaint observed in a negative review.
Services offered
Reviewer highlights
Trust signals
From reviews & website
“Insulation Materials”
website: Shows the provider’s product category focus.
Workmanship
Excellent
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Attic Doctor
2116 4th Ave suite 2711, Seattle, WA 98121
Attic Doctor — Seattle, WA provider with limited publicly available information (no website or phone provided in the metadata).
Workmanship
Ask for references
Communication
Not enough data
Scheduling
Ask during quoting
Cleanup
Ask during quoting
Questions to ask insulation contractors in Seattle
More insulation contractors in Washington
Plan before you hire
These pages help you build a shortlist, but they don't replace a proper scope discussion with each contractor. If you're still deciding what work your home needs, start with the insulation planning guide and ROI calculator.