Pendleton County, WV Shrink-Swell Risk
What Pendleton County, WV's soil means for a foundation
Low
USDA's SSURGO data puts Pendleton County, WV's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.74% across 83.5% 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 Pendleton County, WV 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 Pendleton County will actually do.
Report cost vs. repair cost
With Pendleton County, WV 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.
Where this sits nationally
Nationally, Pendleton County, WV is the 2,242-most-constrained of 3,085 rated counties for shrink-swell soil. Within West Virginia alone it ranks 38 of 55. Pendleton County, WV is 696 square miles with a population of 5,944.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Geauga County, OH and Rockwall 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 West Virginia
Every county in West Virginia is on this site, including Putnam County, WV and Webster County, WV. The full underlying dataset is downloadable directly, one row per county.