Adair County, OK Shrink-Swell Risk

Adair County's SSURGO shrink-swell reading

Low

In Adair County, OK, 75.3% of the surveyed soil carries a "Low" shrink-swell rating, 1.78% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Adair County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Adair County will actually do.

Budgeting for Adair County, OK

Adair County's soil reading points toward standard foundation practice as the likely outcome, not the exception. 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 Adair County, OK compares

Among the 3,085 rated counties on this site, Adair County, OK ranks 2,187 most-constrained nationally, and 72 of 77 within Oklahoma. Adair County covers 574 square miles and counts 19,821 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Beaver County, OK and Chouteau County, MT 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

Elsewhere in Oklahoma

Every county in Oklahoma is on this site, including McIntosh County, OK and Harper County, OK. The full underlying dataset is downloadable directly, one row per county.