Bexar County, TX Shrink-Swell Risk

Bexar County, TX's soil, for shrink-swell risk

High

Bexar County, TX: USDA's soil survey rates 38% of the county "High" for shrink-swell potential (6.06% linear extensibility). This is enough movement to matter: a standard footing can hold up here, but usually only with real moisture management, not by default.

What Bexar County's reading doesn't cover

Two lots a mile apart in Bexar 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 Bexar County.

What it costs to find out, versus to ignore it

Bexar County's soil reading is exactly the case where a report before construction, or before cracks widen, pays for itself. The report ($1,000-$5,000) is what tells you whether Bexar County's county-level reading applies to your lot; the repair ($5,000-$15,000) is what it costs if you skip that and find out from the cracks instead.

How Bexar County, TX compares

Nationally, Bexar County, TX is the 123-most-constrained of 3,085 rated counties for shrink-swell soil. Within Texas alone it ranks 46 of 253. Bexar County covers 1,240 square miles and counts 2,127,737 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Polk County, GA and Edmunds County, SD are worth a look for comparison.

How this reading is built, and its real limits · The warning signs of expansive-clay damage, explained

More of Texas

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