Cochise County, AZ Shrink-Swell Risk

Shrink-swell potential in Cochise County, AZ

Moderate

Soil across 56.6% of Cochise County, AZ comes back "Moderate" in USDA's shrink-swell data, averaging 3.26% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Cochise County, AZ - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Cochise County: the real numbers

Cochise 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 Cochise County, AZ compares

Among the 3,085 rated counties on this site, Cochise County, AZ ranks 1,002 most-constrained nationally, and 4 of 15 within Arizona. The county spans 6,210 square miles, home to 125,773 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Delta County, CO and Terrell 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 Arizona

Every county in Arizona is on this site, including Santa Cruz County, AZ and Yuma County, AZ. The full underlying dataset is downloadable directly, one row per county.