Douglas County, CO Shrink-Swell Risk

Douglas County's SSURGO shrink-swell reading

Low

In Douglas County, CO, 81.9% of the surveyed soil carries a "Low" shrink-swell rating, 2.12% 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

Douglas 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 Douglas County.

Budgeting for Douglas County, CO

Douglas 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 Douglas County, CO compares

Among the 3,085 rated counties on this site, Douglas County, CO ranks 1,868 most-constrained nationally, and 38 of 63 within Colorado. Douglas County covers 841 square miles and counts 393,995 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Chemung County, NY and Lampasas 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 Colorado

Every county in Colorado is on this site, including Dolores County, CO and Boulder County, CO. The full underlying dataset is downloadable directly, one row per county.