Marshall County, AL Shrink-Swell Risk

Marshall County's SSURGO shrink-swell reading

Low

In Marshall County, AL, 82.5% of the surveyed soil carries a "Low" shrink-swell rating, 1.67% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Marshall County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Marshall County, AL

Marshall 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.

Marshall County's rank among Alabama counties

Among the 3,085 rated counties on this site, Marshall County, AL ranks 2,311 most-constrained nationally, and 43 of 67 within Alabama. Marshall County, AL is 566 square miles with a population of 102,156.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Parke County, IN and Moore County, NC 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 Alabama

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