Montgomery County, TX Shrink-Swell Risk

Montgomery County's SSURGO shrink-swell reading

Moderate

In Montgomery County, TX, 80.5% 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

Montgomery 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 Montgomery County.

Budgeting for Montgomery County, TX

Montgomery 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, Montgomery County, TX ranks 1,178 most-constrained nationally, and 186 of 253 within Texas. Montgomery County covers 1,042 square miles and counts 749,613 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Hanson County, SD and Clay County, TN 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 Smith County, TX and Orange County, TX. The full underlying dataset is downloadable directly, one row per county.