El Dorado County, CA Shrink-Swell Risk
El Dorado County's SSURGO shrink-swell reading
Low
In El Dorado County, CA, 83.6% of the surveyed soil carries a "Low" shrink-swell rating, 1.98% 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
El Dorado 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 El Dorado County.
Budgeting for El Dorado County, CA
El Dorado 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.
El Dorado County's rank among California counties
Among the 3,085 rated counties on this site, El Dorado County, CA ranks 1,999 most-constrained nationally, and 49 of 58 within California. The county spans 1,708 square miles, home to 192,823 people.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Boulder County, CO and Boone County, IN 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 Inyo County, CA and Yolo County, CA. The full underlying dataset is downloadable directly, one row per county.