Carroll County, MO Shrink-Swell Risk

Carroll County's SSURGO shrink-swell reading

Moderate

In Carroll County, MO, 62.6% of the surveyed soil carries a "Moderate" shrink-swell rating, 5.74% 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

Carroll 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 Carroll County will actually do.

Budgeting for Carroll County, MO

Carroll 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.

Carroll County's rank among Missouri counties

Among the 3,085 rated counties on this site, Carroll County, MO ranks 170 most-constrained nationally, and 19 of 114 within Missouri. Carroll County, MO is 695 square miles with a population of 8,414.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Millard County, UT and Willacy County, TX 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 Schuyler County, MO and Lawrence County, MO. The full underlying dataset is downloadable directly, one row per county.