Robertson County, TX Shrink-Swell Risk

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

Moderate

Robertson County, TX: USDA's soil survey rates 43.5% of the county "Moderate" for shrink-swell potential (4.05% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Robertson County's reading doesn't cover

Two lots a mile apart in Robertson 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 Robertson County.

What it costs to find out, versus to ignore it

With Robertson County, TX 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.

How Robertson County, TX compares

Nationally, Robertson County, TX is the 541-most-constrained of 3,085 rated counties for shrink-swell soil. Within Texas alone it ranks 124 of 253. The county spans 855 square miles, home to 17,659 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Lawrence County, AR and Island County, WA 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 Lynn County, TX and Marion County, TX. The full underlying dataset is downloadable directly, one row per county.