Osage County, OK Shrink-Swell Risk

Shrink-swell potential in Osage County, OK

Moderate

Soil across 45.9% of Osage County, OK comes back "Moderate" in USDA's shrink-swell data, averaging 4.29% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Osage County, OK - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Osage County: the real numbers

Osage 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 Osage County, OK compares

Among the 3,085 rated counties on this site, Osage County, OK ranks 443 most-constrained nationally, and 14 of 77 within Oklahoma. Osage County covers 2,247 square miles and counts 46,495 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Jackson County, MI and Torrance County, NM 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 Pontotoc County, OK and Bryan County, OK. The full underlying dataset is downloadable directly, one row per county.