Rabun County, GA Shrink-Swell Risk

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

Low

USDA's SSURGO data puts Rabun County, GA's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.54% across 98.4% of the county's surveyed land. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

This is a county figure, not a lot figure

USDA's survey covers the whole of Rabun County, GA at once, not any single address. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Rabun County will actually do.

Report cost vs. repair cost

With Rabun 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.

How Rabun County, GA compares

Nationally, Rabun County, GA is the 2,452-most-constrained of 3,085 rated counties for shrink-swell soil. Within Georgia alone it ranks 72 of 159. The county spans 370 square miles, home to 17,711 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Taylor County, KY and Liberty County, TX 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 Madison County, GA and Hancock County, GA. The full underlying dataset is downloadable directly, one row per county.