Duval County, TX Shrink-Swell Risk

What Duval County, TX's soil means for a foundation

Low

USDA's SSURGO data puts Duval County, TX's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.35% across 77.8% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

This is a county figure, not a lot figure

USDA's survey covers the whole of Duval County, TX at once, not any single address. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Duval County will actually do.

Report cost vs. repair cost

With Duval County, TX 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 Duval County, TX compares

Nationally, Duval County, TX is the 1,691-most-constrained of 3,085 rated counties for shrink-swell soil. Within Texas alone it ranks 220 of 253. Duval County, TX is 1,793 square miles with a population of 9,585.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Coos County, OR and Essex County, NY 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 Texas

Every county in Texas is on this site, including Zapata County, TX and Cherokee County, TX. The full underlying dataset is downloadable directly, one row per county.