Roberts County, TX Shrink-Swell Risk
Roberts County's SSURGO shrink-swell reading
Low
In Roberts County, TX, 75.6% of the surveyed soil carries a "Low" shrink-swell rating, 2% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.
Before you rely on this for one address
Roberts 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 Roberts County.
Budgeting for Roberts County, TX
Roberts 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, Roberts County, TX ranks 1,989 most-constrained nationally, and 231 of 253 within Texas. The county spans 924 square miles, home to 837 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Skagit County, WA and Sumner 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
Elsewhere in Texas
Every county in Texas is on this site, including Duval County, TX and Presidio County, TX. The full underlying dataset is downloadable directly, one row per county.