Anson County, NC Shrink-Swell Risk

What Anson County, NC's soil means for a foundation

Moderate

USDA's SSURGO data puts Anson County, NC's soil at "Moderate" shrink-swell potential, an area-weighted linear extensibility of 3.53% across 67.2% of the county's surveyed land. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

This is a county figure, not a lot figure

USDA's survey covers the whole of Anson County, NC 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 Anson County.

Report cost vs. repair cost

With Anson County, NC rating "Moderate", 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.

Anson County's rank among North Carolina counties

Nationally, Anson County, NC is the 822-most-constrained of 3,085 rated counties for shrink-swell soil. Within North Carolina alone it ranks 3 of 100. Anson County, NC is 531 square miles with a population of 22,432.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Nueces County, TX and Stonewall 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 North Carolina

Every county in North Carolina is on this site, including Jackson County, NC and Sampson County, NC. The full underlying dataset is downloadable directly, one row per county.