Grady County, OK Shrink-Swell Risk

Grady County's SSURGO shrink-swell reading

Low

In Grady County, OK, 72% of the surveyed soil carries a "Low" shrink-swell rating, 2.38% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Grady County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Grady County, OK

Grady 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Grady County, OK ranks 1,660 most-constrained nationally, and 62 of 77 within Oklahoma. The county spans 1,101 square miles, home to 58,353 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Crawford County, IN and Langlade County, WI 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 Beckham County, OK and Dewey County, OK. The full underlying dataset is downloadable directly, one row per county.