Sullivan County, IN Shrink-Swell Risk

Sullivan County's SSURGO shrink-swell reading

Low

In Sullivan County, IN, 52.9% of the surveyed soil carries a "Low" shrink-swell rating, 2.69% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Sullivan County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Sullivan County will actually do.

Budgeting for Sullivan County, IN

Sullivan 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.

Sullivan County's rank among Indiana counties

Among the 3,085 rated counties on this site, Sullivan County, IN ranks 1,423 most-constrained nationally, and 58 of 90 within Indiana. The county spans 447 square miles, home to 20,768 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Putnam County, OH and Kandiyohi County, MN 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 Indiana

Every county in Indiana is on this site, including Cass County, IN and Spencer County, IN. The full underlying dataset is downloadable directly, one row per county.