Pittsburg County, OK Shrink-Swell Risk

Pittsburg County, OK's soil, for shrink-swell risk

Moderate

Pittsburg County, OK: USDA's soil survey rates 76% of the county "Moderate" for shrink-swell potential (3.9% linear extensibility). That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

What Pittsburg County's reading doesn't cover

Two lots a mile apart in Pittsburg County can carry different soil, even though they share one countywide reading. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Pittsburg County will actually do.

What it costs to find out, versus to ignore it

With Pittsburg 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 Pittsburg County, OK compares

Nationally, Pittsburg County, OK is the 626-most-constrained of 3,085 rated counties for shrink-swell soil. Within Oklahoma alone it ranks 26 of 77. The county spans 1,306 square miles, home to 43,395 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Canadian County, OK and Dundy County, NE 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 Mayes County, OK and Beaver County, OK. The full underlying dataset is downloadable directly, one row per county.