Crawl space encapsulation & repair in Isle of Palms, SC
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Crawl spaces in Isle of Palms
Many island homes are raised on pilings and have open or enclosed areas below rather than a classic crawl space. If your home is in a FEMA flood zone, rules limit what can be enclosed below the lowest floor, so ask the pro and your town's floodplain or building office before enclosing or sealing a space under an elevated home.
Typical prices
| Item | Published range | Source |
|---|---|---|
| Full encapsulation, Charleston installer range | $4,500–$12,000 | Fortress Moisture Seal Charleston, crawl space encapsulation page |
| Full encapsulation, national average | $5,500 | Angi, How Much Does Crawl Space Encapsulation Cost? (updated Oct 28, 2026) |
| Ground vapor barrier, 1,500 sq ft | about $1,050–$2,100 | Coastal Crawlspaces (Charleston installer), published price list |
| Dehumidifier, installed | $1,000–$3,000 | HomeGuide, How Much Does Crawl Space Encapsulation Cost? (Jan 14, 2026) |
| Crawl space repair | $1,500–$15,000 | Angi, How Much Does Crawl Space Encapsulation Cost? (updated Oct 28, 2026) |
Prices are published ranges, not a quote. See the full cost guide.
Services available in Isle of Palms
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