Chesterfield County, SC Shrink-Swell Risk

What Chesterfield County, SC's soil means for a foundation

Low

USDA's SSURGO data puts Chesterfield County, SC's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.65% across 87.2% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

This is a county figure, not a lot figure

USDA's survey covers the whole of Chesterfield County, SC at once, not any single address. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Chesterfield County.

Report cost vs. repair cost

With Chesterfield County, SC rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

Chesterfield County's rank among South Carolina counties

Nationally, Chesterfield County, SC is the 2,334-most-constrained of 3,085 rated counties for shrink-swell soil. Within South Carolina alone it ranks 29 of 46. Chesterfield County, SC is 799 square miles with a population of 44,488.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Washington County, MD and Iron County, WI are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

More of South Carolina

Every county in South Carolina is on this site, including Calhoun County, SC and Lee County, SC. The full underlying dataset is downloadable directly, one row per county.