Highland County, VA Shrink-Swell Risk

What Highland County, VA's soil means for a foundation

Low

USDA's SSURGO data puts Highland County, VA's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.71% across 91.1% 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 Highland County, VA 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 Highland County.

Report cost vs. repair cost

With Highland County, VA 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, Highland County, VA is the 2,276-most-constrained of 3,085 rated counties for shrink-swell soil. Within Virginia alone it ranks 101 of 114. The county spans 415 square miles, home to 2,348 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Wheatland County, MT and Franklin County, MA 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 Virginia

Every county in Virginia is on this site, including Nottoway County, VA and Franklin city, VA. The full underlying dataset is downloadable directly, one row per county.