Mahoning County, OH Shrink-Swell Risk

Mahoning County, OH's soil, for shrink-swell risk

Low

Mahoning County, OH: USDA's soil survey rates 78.7% of the county "Low" for shrink-swell potential (2.43% linear extensibility). That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What Mahoning County's reading doesn't cover

Two lots a mile apart in Mahoning 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 Mahoning County will actually do.

What it costs to find out, versus to ignore it

With Mahoning County, OH rating "Low", 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.

Where this sits nationally

Nationally, Mahoning County, OH is the 1,609-most-constrained of 3,085 rated counties for shrink-swell soil. Within Ohio alone it ranks 72 of 88. Mahoning County, OH is 412 square miles with a population of 225,786.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Montgomery County, VA and Brevard County, FL 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 Ohio

Every county in Ohio is on this site, including Auglaize County, OH and Vinton County, OH. The full underlying dataset is downloadable directly, one row per county.