Insulation Cost by City (2026)
Home insulation including attic, walls, and crawl space. Pricing varies meaningfully by city — coastal metros run 30-60% above the national average while affordable Sun Belt and Midwest markets run 5-20% below.
National avg
$3,500
Budget
$1,000
High-end
$9,000
Estimate your insulation cost
Include in estimate:
Cost breakdown — national average insulation
Insulation material
$1,600
Labor
$1,200
Air sealing
$400
Vapor barrier
$200
Disposal
$200
Most and least expensive cities
Most expensive
- 1.San Francisco, CA$5,500
- 2.San Jose, CA$5,300
- 3.New York, NY$5,200
- 4.Brooklyn, NY$5,000
- 5.Los Angeles, CA$4,800
Least expensive
- 1.Augusta, GA$2,900
- 2.El Paso, TX$2,900
- 3.Rochester, NY$3,100
- 4.Tucson, AZ$3,100
- 5.Columbus, OH$3,100
All 43 cities
New York
California
Illinois
Texas
Arizona
Pennsylvania
Florida
North Carolina
Washington
Colorado
Massachusetts
Georgia
Frequently asked questions
Home insulation averages $3,500 nationally in 2026 for a typical 2,000 sq ft home. Attic-only blown-in starts near $1,000; whole-home cellulose or fiberglass runs $3,500-$5,500; spray foam (closed-cell) reaches $7,000-$9,000+. Per-square-foot pricing $1-$5 depending on material and R-value.

