Jeff Davis County, TX Shrink-Swell Risk
Jeff Davis County's SSURGO shrink-swell reading
Moderate
In Jeff Davis County, TX, 58.6% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.03% linear extensibility on average. 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.
Before you rely on this for one address
Jeff Davis County's reading is an average across the whole county, not a promise about any one lot inside it. 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 Jeff Davis County.
Budgeting for Jeff Davis County, TX
Jeff Davis 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, Jeff Davis County, TX ranks 1,183 most-constrained nationally, and 190 of 253 within Texas. Jeff Davis County covers 2,265 square miles and counts 1,778 residents.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Robertson County, KY and Lee County, KY 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 Texas
Every county in Texas is on this site, including Rains County, TX and Archer County, TX. The full underlying dataset is downloadable directly, one row per county.