Alpine County, CA Shrink-Swell Risk

Alpine County's SSURGO shrink-swell reading

Low

In Alpine County, CA, 85.8% of the surveyed soil carries a "Low" shrink-swell rating, 1.9% 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

Alpine 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 Alpine County will actually do.

Budgeting for Alpine County, CA

Alpine 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.

Alpine County's rank among California counties

Among the 3,085 rated counties on this site, Alpine County, CA ranks 2,075 most-constrained nationally, and 52 of 58 within California. The county spans 738 square miles, home to 1,099 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Saginaw County, MI and Coke County, TX 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 Imperial County, CA and Santa Clara County, CA. The full underlying dataset is downloadable directly, one row per county.