Crawl space encapsulation & repair in Mount Pleasant, SC
Request free quotes for crawl space encapsulation, vapor barriers, dehumidifiers and crawl space repair in Mount Pleasant (Charleston County, ZIP 29464, 29466). We match you with one vetted local pro. Free, no obligation.
Crawl spaces in Mount Pleasant
Homes near marsh and tidal creeks often deal with damp ground and humid air under the floor. A good inspection should check outside grading and gutters as well as the space itself, since the cheapest fix is often stopping water before it gets under the house.
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.
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