Clarke County, GA Shrink-Swell Risk

What Clarke County, GA's soil means for a foundation

Low

USDA's SSURGO data puts Clarke County, GA's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.64% across 99.8% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

This is a county figure, not a lot figure

USDA's survey covers the whole of Clarke County, GA at once, not any single address. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Report cost vs. repair cost

With Clarke County, GA 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.

Clarke County's rank among Georgia counties

Nationally, Clarke County, GA is the 2,342-most-constrained of 3,085 rated counties for shrink-swell soil. Within Georgia alone it ranks 52 of 159. Clarke County covers 119 square miles and counts 129,995 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Williams County, OH and Kanawha County, WV 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 Georgia

Every county in Georgia is on this site, including Appling County, GA and Paulding County, GA. The full underlying dataset is downloadable directly, one row per county.