Hampton County, SC Shrink-Swell Risk

Hampton County's SSURGO shrink-swell reading

Low

In Hampton County, SC, 92.1% of the surveyed soil carries a "Low" shrink-swell rating, 1.59% 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

Hampton County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Hampton County will actually do.

Budgeting for Hampton County, SC

Hampton 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.

Hampton County's rank among South Carolina counties

Among the 3,085 rated counties on this site, Hampton County, SC ranks 2,398 most-constrained nationally, and 32 of 46 within South Carolina. Hampton County covers 560 square miles and counts 18,172 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Maries County, MO and Custer County, ID 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 South Carolina

Every county in South Carolina is on this site, including Georgetown County, SC and Kershaw County, SC. The full underlying dataset is downloadable directly, one row per county.