Creek County, OK Shrink-Swell Risk
What Creek County, OK's soil means for a foundation
Low
USDA's SSURGO data puts Creek County, OK's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.87% across 61.5% of the county's surveyed land. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.
This is a county figure, not a lot figure
USDA's survey covers the whole of Creek County, OK at once, not any single address. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Creek County.
Report cost vs. repair cost
With Creek County, OK 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, Creek County, OK is the 1,279-most-constrained of 3,085 rated counties for shrink-swell soil. Within Oklahoma alone it ranks 56 of 77. Creek County, OK is 950 square miles with a population of 73,971.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Mississippi County, AR and Harlan County, NE 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 Oklahoma
Every county in Oklahoma is on this site, including Murray County, OK and Woods County, OK. The full underlying dataset is downloadable directly, one row per county.