Yuma County, AZ Shrink-Swell Risk

Yuma County's SSURGO shrink-swell reading

Low

In Yuma County, AZ, 93% of the surveyed soil carries a "Low" shrink-swell rating, 1.09% linear extensibility on average. 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.

Before you rely on this for one address

Yuma 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 Yuma County will actually do.

Budgeting for Yuma County, AZ

Yuma 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 Yuma County, AZ compares

Among the 3,085 rated counties on this site, Yuma County, AZ ranks 2,851 most-constrained nationally, and 14 of 15 within Arizona. Yuma County covers 5,514 square miles and counts 220,310 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Lapeer County, MI and West Baton Rouge Parish, LA 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 La Paz County, AZ and Greenlee County, AZ. The full underlying dataset is downloadable directly, one row per county.