Deer Lodge County, MT Shrink-Swell Risk
Deer Lodge County's SSURGO shrink-swell reading
Low
In Deer Lodge County, MT, 94.2% of the surveyed soil carries a "Low" shrink-swell rating, 1.6% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
Before you rely on this for one address
Deer Lodge County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).
Budgeting for Deer Lodge County, MT
Deer Lodge 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.
How Deer Lodge County, MT compares
Among the 3,085 rated counties on this site, Deer Lodge County, MT ranks 2,391 most-constrained nationally, and 51 of 54 within Montana. The county spans 737 square miles, home to 9,811 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Fairfield County, SC and Lee County, SC 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 Meagher County, MT and Mineral County, MT. The full underlying dataset is downloadable directly, one row per county.