Bonneville County, ID Shrink-Swell Risk

Bonneville County's SSURGO shrink-swell reading

Low

In Bonneville County, ID, 78.9% of the surveyed soil carries a "Low" shrink-swell rating, 2.07% linear extensibility on average. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

Before you rely on this for one address

Bonneville 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 Bonneville County will actually do.

Budgeting for Bonneville County, ID

Bonneville 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, Bonneville County, ID ranks 1,911 most-constrained nationally, and 21 of 44 within Idaho. The county spans 1,866 square miles, home to 133,644 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Bonner County, ID and Kendall County, IL 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 Cassia County, ID and Custer County, ID. The full underlying dataset is downloadable directly, one row per county.