Kingfisher County, OK Shrink-Swell Risk

What Kingfisher County, OK's soil means for a foundation

Moderate

USDA's SSURGO data puts Kingfisher County, OK's soil at "Moderate" shrink-swell potential, an area-weighted linear extensibility of 3.4% across 50% of the county's surveyed land. That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

This is a county figure, not a lot figure

USDA's survey covers the whole of Kingfisher 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 Kingfisher County.

Report cost vs. repair cost

With Kingfisher County, OK 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 Kingfisher County, OK compares

Nationally, Kingfisher County, OK is the 906-most-constrained of 3,085 rated counties for shrink-swell soil. Within Oklahoma alone it ranks 34 of 77. Kingfisher County, OK is 898 square miles with a population of 15,820.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Pendleton County, WV and Garvin County, OK 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 Canadian County, OK and Logan County, OK. The full underlying dataset is downloadable directly, one row per county.