Apache County, AZ Shrink-Swell Risk

Shrink-swell potential in Apache County, AZ

Low

Soil across 57.4% of Apache County, AZ comes back "Low" in USDA's shrink-swell data, averaging 2.88% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Apache County, AZ - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Apache County will actually do.

Apache County: the real numbers

Apache 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Apache County, AZ ranks 1,274 most-constrained nationally, and 7 of 15 within Arizona. The county spans 11,198 square miles, home to 64,800 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Washington County, TX and Logan County, CO 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 Mohave County, AZ and Greenlee County, AZ. The full underlying dataset is downloadable directly, one row per county.