Teton County, MT Shrink-Swell Risk

Teton County's SSURGO shrink-swell reading

Moderate

In Teton County, MT, 59.2% of the surveyed soil carries a "Moderate" shrink-swell rating, 4.11% 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

Teton 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 Teton County.

Budgeting for Teton County, MT

Teton 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, Teton County, MT ranks 521 most-constrained nationally, and 13 of 54 within Montana. The county spans 2,272 square miles, home to 6,444 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Lumpkin County, GA and Rock County, MN 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 Montana

Every county in Montana is on this site, including Sanders County, MT and Musselshell County, MT. The full underlying dataset is downloadable directly, one row per county.