Boyd County, KY Shrink-Swell Risk

Boyd County, KY's soil, for shrink-swell risk

Moderate

Boyd County, KY: USDA's soil survey rates 53.2% of the county "Moderate" for shrink-swell potential (3.44% linear extensibility). 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.

What Boyd County's reading doesn't cover

Two lots a mile apart in Boyd County can carry different soil, even though they share one countywide reading. 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 Boyd County.

What it costs to find out, versus to ignore it

With Boyd County, KY rating "Moderate", 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, Boyd County, KY is the 877-most-constrained of 3,085 rated counties for shrink-swell soil. Within Kentucky alone it ranks 32 of 120. The county spans 160 square miles, home to 47,777 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Harper County, KS and Jefferson County, KS 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 Kentucky

Every county in Kentucky is on this site, including Bath County, KY and Marion County, KY. The full underlying dataset is downloadable directly, one row per county.