Madison County, OH Shrink-Swell Risk

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

Moderate

Madison County, OH: USDA's soil survey rates 52.5% of the county "Moderate" for shrink-swell potential (3.59% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Madison County's reading doesn't cover

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

What it costs to find out, versus to ignore it

With Madison County, OH 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.

Where this sits nationally

Nationally, Madison County, OH is the 785-most-constrained of 3,085 rated counties for shrink-swell soil. Within Ohio alone it ranks 30 of 88. The county spans 467 square miles, home to 45,531 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Sumner County, TN and Rush County, KS 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 Adams County, OH and Wayne County, OH. The full underlying dataset is downloadable directly, one row per county.