Gasconade County, MO Shrink-Swell Risk

Gasconade County's SSURGO shrink-swell reading

Moderate

In Gasconade County, MO, 47.5% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.85% 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

Gasconade County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Gasconade County, MO

Gasconade 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Gasconade County, MO ranks 647 most-constrained nationally, and 59 of 114 within Missouri. Gasconade County, MO is 519 square miles with a population of 14,655.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Sarasota County, FL and Clinton County, KY 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 Madison County, MO and Carter County, MO. The full underlying dataset is downloadable directly, one row per county.