Crawl Space Encapsulation Services

Crawl space encapsulation averages $5,500 ($5,000–$15,000). See what's included, local code rules, permits, and get quotes from independent local pros.

A crawl space vapor barrier costs $1,200–$4,000 installed. Compare 6- to 20-mil liner prices, roll counts, code laps, and quotes from local pros.

Crawl space dehumidifiers cost $1,000–$3,000 installed. Size one by square footage and code (70 pints per 1,000 sq ft in Henrico, VA), then get quotes.

Crawl space repair averages $6,000 ($4,500–$8,000). See costs for sagging floors, piers, drainage, sump pumps and mold cleanup, plus permit rules near you.