Jackson County, FL Shrink-Swell Risk

Shrink-swell potential in Jackson County, FL

Low

Soil across 93.3% of Jackson County, FL comes back "Low" in USDA's shrink-swell data, averaging 1.15% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Jackson County, FL - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Jackson County: the real numbers

Jackson 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Jackson County, FL ranks 2,799 most-constrained nationally, and 25 of 66 within Florida. The county spans 918 square miles, home to 49,980 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Harrison County, IN and Ripley County, MO 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 Collier County, FL and Calhoun County, FL. The full underlying dataset is downloadable directly, one row per county.