Richmond County, NC Shrink-Swell Risk

Richmond County's SSURGO shrink-swell reading

Low

In Richmond County, NC, 87.1% of the surveyed soil carries a "Low" shrink-swell rating, 1.77% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Richmond 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 Richmond County.

Budgeting for Richmond County, NC

Richmond 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 Richmond County, NC compares

Among the 3,085 rated counties on this site, Richmond County, NC ranks 2,194 most-constrained nationally, and 45 of 100 within North Carolina. The county spans 474 square miles, home to 41,990 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Gem County, ID and Fayette 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 North Carolina

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