Defiance County, OH Shrink-Swell Risk

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

Moderate

Defiance County, OH: USDA's soil survey rates 54.3% of the county "Moderate" for shrink-swell potential (4.85% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Defiance County's reading doesn't cover

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

What it costs to find out, versus to ignore it

With Defiance 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.

Defiance County's rank among Ohio counties

Nationally, Defiance County, OH is the 321-most-constrained of 3,085 rated counties for shrink-swell soil. Within Ohio alone it ranks 4 of 88. The county spans 411 square miles, home to 38,644 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Polk County, WI and Union Parish, LA 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 Meigs County, OH and Geauga County, OH. The full underlying dataset is downloadable directly, one row per county.