Randolph County, AR Shrink-Swell Risk

Randolph County's SSURGO shrink-swell reading

Moderate

In Randolph County, AR, 46.4% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.53% linear extensibility on average. That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

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, AR

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.

How Randolph County, AR compares

Among the 3,085 rated counties on this site, Randolph County, AR ranks 823 most-constrained nationally, and 27 of 75 within Arkansas. Randolph County covers 652 square miles and counts 19,040 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Jones County, MS and Montgomery County, AL 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 Arkansas

Every county in Arkansas is on this site, including Dallas County, AR and Lincoln County, AR. The full underlying dataset is downloadable directly, one row per county.