Anderson County, SC Shrink-Swell Risk

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

Low

USDA's SSURGO data puts Anderson County, SC's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.59% across 100% 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 Anderson 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 Anderson County.

Report cost vs. repair cost

With Anderson 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.

Where this sits nationally

Nationally, Anderson County, SC is the 2,394-most-constrained of 3,085 rated counties for shrink-swell soil. Within South Carolina alone it ranks 31 of 46. Anderson County, SC is 714 square miles with a population of 217,183.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Ouachita Parish, LA and Pope County, MN 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 Fairfield County, SC and Barnwell County, SC. The full underlying dataset is downloadable directly, one row per county.