2026 pricing · updated monthly
What does crawl space encapsulation actually cost — for your crawl, in your state?
Three minutes, no signup, no email required to see the estimate. Add your email at the end if you want a PDF and 1–3 vetted local pros — but the math is yours either way.
Crawl Space Encapsulation Cost Calculator
Estimated cost
$4,560–$9,120
Typical: $6,840 · state factor 0.95×
Line items
- Vapor barrier (sqft)$3,990
- Encapsulation insulation$2,850
Estimates are educational — actual quotes from local pros may differ based on site conditions, permits, and seasonal demand.
How we estimate
The base number is a vapor-barrier-per-sqft cost (industry-standard 12-mil reinforced liner installed), adjusted up for site conditions you flagged — visible mold, standing water, or wood rot meaningfully raise scope. We then apply a state cost factor sourced from BLS wage data and HomeAdvisor regional rates. Add-ons (dehumidifier, sump pump, drainage) are layered on at typical regional prices.