Chester County, SC Shrink-Swell Risk

Chester County, SC's soil, for shrink-swell risk

Low

Chester County, SC: USDA's soil survey rates 60.7% of the county "Low" for shrink-swell potential (2.64% linear extensibility). That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What Chester County's reading doesn't cover

Two lots a mile apart in Chester County can carry different soil, even though they share one countywide reading. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Chester County will actually do.

What it costs to find out, versus to ignore it

With Chester 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.

How Chester County, SC compares

Nationally, Chester County, SC is the 1,456-most-constrained of 3,085 rated counties for shrink-swell soil. Within South Carolina alone it ranks 6 of 46. The county spans 581 square miles, home to 32,323 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. St. Francois County, MO and Taylor County, TX 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 Georgetown County, SC and Chesterfield County, SC. The full underlying dataset is downloadable directly, one row per county.