Boone County, MO Shrink-Swell Risk

Boone County's SSURGO shrink-swell reading

Moderate

In Boone County, MO, 45.3% of the surveyed soil carries a "Moderate" shrink-swell rating, 5.54% linear extensibility on average. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

Before you rely on this for one address

Boone 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 Boone County will actually do.

Budgeting for Boone County, MO

Boone 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.

How Boone County, MO compares

Among the 3,085 rated counties on this site, Boone County, MO ranks 210 most-constrained nationally, and 24 of 114 within Missouri. The county spans 686 square miles, home to 192,154 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Richland Parish, LA and Prince William County, VA 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 Missouri

Every county in Missouri is on this site, including Harrison County, MO and St. Francois County, MO. The full underlying dataset is downloadable directly, one row per county.