Custer County, CO Shrink-Swell Risk

Custer County, CO's soil, for shrink-swell risk

Low

Custer County, CO: USDA's soil survey rates 74.4% of the county "Low" for shrink-swell potential (2.49% linear extensibility). That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What Custer County's reading doesn't cover

Two lots a mile apart in Custer County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

What it costs to find out, versus to ignore it

With Custer County, CO rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.

Custer County's rank among Colorado counties

Nationally, Custer County, CO is the 1,575-most-constrained of 3,085 rated counties for shrink-swell soil. Within Colorado alone it ranks 28 of 63. Custer County, CO is 739 square miles with a population of 5,553.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Delaware County, IA and Paulding County, OH 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

More of Colorado

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