Davis County, UT Shrink-Swell Risk

What Davis County, UT's soil means for a foundation

Low

USDA's SSURGO data puts Davis County, UT's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.09% across 89.2% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

This is a county figure, not a lot figure

USDA's survey covers the whole of Davis County, UT at once, not any single address. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Davis County.

Report cost vs. repair cost

With Davis County, UT rating "Low", 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.

Where this sits nationally

Nationally, Davis County, UT is the 1,898-most-constrained of 3,085 rated counties for shrink-swell soil. Within Utah alone it ranks 20 of 29. Davis County covers 325 square miles and counts 378,470 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Belmont County, OH and Starke County, IN 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 Utah

Every county in Utah is on this site, including Washington County, UT and Beaver County, UT. The full underlying dataset is downloadable directly, one row per county.