Randolph County, NC Shrink-Swell Risk

Randolph County's SSURGO shrink-swell reading

Low

In Randolph County, NC, 72.9% of the surveyed soil carries a "Low" shrink-swell rating, 2.54% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Randolph County's reading is an average across the whole county, not a promise about any one lot inside it. 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 Randolph County.

Budgeting for Randolph County, NC

Randolph County's soil reading points toward standard foundation practice as the likely outcome, not the exception. 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

Among the 3,085 rated counties on this site, Randolph County, NC ranks 1,521 most-constrained nationally, and 17 of 100 within North Carolina. The county spans 782 square miles, home to 148,389 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Madison Parish, LA and Ross County, OH 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

Elsewhere in North Carolina

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