Jackson County, KY Shrink-Swell Risk
Jackson County's SSURGO shrink-swell reading
Low
In Jackson County, KY, 94.4% of the surveyed soil carries a "Low" shrink-swell rating, 1.43% 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
Jackson 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 Jackson County, KY
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, KY ranks 2,588 most-constrained nationally, and 105 of 120 within Kentucky. The county spans 345 square miles, home to 13,358 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Pottawattamie County, IA and Dade County, GA 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 Kentucky
Every county in Kentucky is on this site, including Bell County, KY and Fleming County, KY. The full underlying dataset is downloadable directly, one row per county.