Mohave County, AZ Shrink-Swell Risk

Shrink-swell potential in Mohave County, AZ

Low

Soil across 72.4% of Mohave County, AZ comes back "Low" in USDA's shrink-swell data, averaging 2.49% linear extensibility. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Mohave County, AZ - never a reading for one specific parcel. 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 Mohave County.

Mohave County: the real numbers

Mohave 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.

Mohave County's rank among Arizona counties

Among the 3,085 rated counties on this site, Mohave County, AZ ranks 1,569 most-constrained nationally, and 10 of 15 within Arizona. Mohave County, AZ is 13,332 square miles with a population of 226,479.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Marion County, KS and Laurens County, SC 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 Navajo County, AZ. The full underlying dataset is downloadable directly, one row per county.