Pierce County, GA Shrink-Swell Risk
What Pierce County, GA's soil means for a foundation
Low
USDA's SSURGO data puts Pierce County, GA's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.41% across 99% 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 Pierce 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 Pierce 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 Pierce County, GA compares
Nationally, Pierce County, GA is the 2,611-most-constrained of 3,085 rated counties for shrink-swell soil. Within Georgia alone it ranks 101 of 159. Pierce County covers 340 square miles and counts 20,669 residents.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Orange County, CA and Chippewa County, WI 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 Clayton County, GA and Burke County, GA. The full underlying dataset is downloadable directly, one row per county.