Osborne County, KS Shrink-Swell Risk
What Osborne County, KS's soil means for a foundation
Moderate
USDA's SSURGO data puts Osborne County, KS's soil at "Moderate" shrink-swell potential, an area-weighted linear extensibility of 4.22% across 72% of the county's surveyed land. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.
This is a county figure, not a lot figure
USDA's survey covers the whole of Osborne County, KS 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 Osborne County will actually do.
Report cost vs. repair cost
With Osborne County, KS rating "Moderate", 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 Osborne County, KS compares
Nationally, Osborne County, KS is the 467-most-constrained of 3,085 rated counties for shrink-swell soil. Within Kansas alone it ranks 50 of 105. Osborne County covers 893 square miles and counts 3,353 residents.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. St. Landry Parish, LA and Klamath County, OR 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 Kansas
Every county in Kansas is on this site, including Anderson County, KS and Haskell County, KS. The full underlying dataset is downloadable directly, one row per county.