Madison County, FL Shrink-Swell Risk

Madison County's SSURGO shrink-swell reading

Low

In Madison County, FL, 97.6% 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

Madison 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 Madison County, FL

Madison 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 Madison County, FL compares

Among the 3,085 rated counties on this site, Madison County, FL ranks 2,854 most-constrained nationally, and 31 of 66 within Florida. Madison County covers 697 square miles and counts 18,364 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Contra Costa County, CA and Phelps County, NE 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 Florida

Every county in Florida is on this site, including Bradford County, FL and Taylor County, FL. The full underlying dataset is downloadable directly, one row per county.