Lake County, CA Shrink-Swell Risk
Lake County's SSURGO shrink-swell reading
Low
In Lake County, CA, 70.6% of the surveyed soil carries a "Low" shrink-swell rating, 2.45% 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
Lake 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 Lake County will actually do.
Budgeting for Lake County, CA
Lake 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 Lake County, CA compares
Among the 3,085 rated counties on this site, Lake County, CA ranks 1,599 most-constrained nationally, and 39 of 58 within California. The county spans 1,255 square miles, home to 67,764 people.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Woodford County, KY and Lea County, NM 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 California
Every county in California is on this site, including Sierra County, CA and Madera County, CA. The full underlying dataset is downloadable directly, one row per county.