Davie County, NC Shrink-Swell Risk

What Davie County, NC's soil means for a foundation

Low

USDA's SSURGO data puts Davie County, NC's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.44% across 73.1% of the county's surveyed land. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

This is a county figure, not a lot figure

USDA's survey covers the whole of Davie County, NC 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 Davie County.

Report cost vs. repair cost

With Davie County, NC 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.

How Davie County, NC compares

Nationally, Davie County, NC is the 1,607-most-constrained of 3,085 rated counties for shrink-swell soil. Within North Carolina alone it ranks 20 of 100. Davie County covers 264 square miles and counts 45,383 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Meade County, SD and Carson City, NV 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 North Carolina

Every county in North Carolina is on this site, including Martin County, NC and Transylvania County, NC. The full underlying dataset is downloadable directly, one row per county.