Buchanan County, VA Shrink-Swell Risk

Buchanan County's SSURGO shrink-swell reading

Low

In Buchanan County, VA, 100% of the surveyed soil carries a "Low" shrink-swell rating, 1.04% linear extensibility on average. 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.

Before you rely on this for one address

Buchanan 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 Buchanan County will actually do.

Budgeting for Buchanan County, VA

Buchanan 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, Buchanan County, VA ranks 2,879 most-constrained nationally, and 114 of 114 within Virginia. Buchanan County, VA is 503 square miles with a population of 18,632.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Nodaway County, MO and Nassau County, FL 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 Virginia

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