Jackson County, AL Shrink-Swell Risk

Jackson County, AL's soil, for shrink-swell risk

Low

Jackson County, AL: USDA's soil survey rates 65.7% of the county "Low" for shrink-swell potential (1.98% 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 Jackson County's reading doesn't cover

Two lots a mile apart in Jackson 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 Jackson County, AL 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.

Jackson County's rank among Alabama counties

Nationally, Jackson County, AL is the 2,001-most-constrained of 3,085 rated counties for shrink-swell soil. Within Alabama alone it ranks 28 of 67. Jackson County covers 1,078 square miles and counts 53,780 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Ozaukee County, WI and Assumption 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

More of Alabama

Every county in Alabama is on this site, including DeKalb County, AL and Cullman County, AL. The full underlying dataset is downloadable directly, one row per county.