Caddo County, OK Shrink-Swell Risk

Shrink-swell potential in Caddo County, OK

Low

Soil across 70% of Caddo County, OK comes back "Low" in USDA's shrink-swell data, averaging 2.29% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Caddo County, OK - never a reading for one specific parcel. 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 Caddo County.

Caddo County: the real numbers

Caddo 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 Caddo County, OK compares

Among the 3,085 rated counties on this site, Caddo County, OK ranks 1,732 most-constrained nationally, and 64 of 77 within Oklahoma. Caddo County covers 1,278 square miles and counts 26,337 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Greene County, IN and Sutter County, CA 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 Choctaw County, OK and Seminole County, OK. The full underlying dataset is downloadable directly, one row per county.