Payette County, ID Shrink-Swell Risk

Payette County's SSURGO shrink-swell reading

Low

In Payette County, ID, 90.4% of the surveyed soil carries a "Low" shrink-swell rating, 1.87% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Payette 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 Payette County.

Budgeting for Payette County, ID

Payette 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.

Payette County's rank among Idaho counties

Among the 3,085 rated counties on this site, Payette County, ID ranks 2,108 most-constrained nationally, and 29 of 44 within Idaho. Payette County covers 407 square miles and counts 27,662 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Webster Parish, LA and Skagit County, WA 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 Bear Lake County, ID and Blaine County, ID. The full underlying dataset is downloadable directly, one row per county.