Boundary County, ID Shrink-Swell Risk

Boundary County's SSURGO shrink-swell reading

Low

In Boundary County, ID, 95.1% of the surveyed soil carries a "Low" shrink-swell rating, 1.57% 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

Boundary County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Boundary County will actually do.

Budgeting for Boundary County, ID

Boundary 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, Boundary County, ID ranks 2,420 most-constrained nationally, and 37 of 44 within Idaho. The county spans 1,269 square miles, home to 14,040 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Goodhue County, MN and Osceola County, FL 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 Idaho

Every county in Idaho is on this site, including Bannock County, ID and Clearwater County, ID. The full underlying dataset is downloadable directly, one row per county.