Halifax County, NC Shrink-Swell Risk

Halifax County, NC's soil, for shrink-swell risk

Low

Halifax County, NC: USDA's soil survey rates 78.1% of the county "Low" for shrink-swell potential (1.92% linear extensibility). That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What Halifax County's reading doesn't cover

Two lots a mile apart in Halifax County can carry different soil, even though they share one countywide reading. 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 Halifax County.

What it costs to find out, versus to ignore it

With Halifax 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.

Halifax County's rank among North Carolina counties

Nationally, Halifax County, NC is the 2,058-most-constrained of 3,085 rated counties for shrink-swell soil. Within North Carolina alone it ranks 40 of 100. Halifax County covers 724 square miles and counts 46,992 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Worth County, IA and Crittenden County, AR 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 Chowan County, NC and Catawba County, NC. The full underlying dataset is downloadable directly, one row per county.