Rockingham County, NC Shrink-Swell Risk

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

Low

USDA's SSURGO data puts Rockingham County, NC's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.22% across 75.7% 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 Rockingham County, NC at once, not any single address. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Report cost vs. repair cost

With Rockingham County, NC 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 Rockingham County, NC compares

Nationally, Rockingham County, NC is the 1,782-most-constrained of 3,085 rated counties for shrink-swell soil. Within North Carolina alone it ranks 27 of 100. Rockingham County, NC is 566 square miles with a population of 93,517.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Chatham County, NC and Maui County, HI 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 Alexander County, NC and Jackson County, NC. The full underlying dataset is downloadable directly, one row per county.