Jones County, NC Shrink-Swell Risk
Jones County, NC's soil, for shrink-swell risk
Low
Jones County, NC: USDA's soil survey rates 85% of the county "Low" for shrink-swell potential (1.88% 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 Jones County's reading doesn't cover
Two lots a mile apart in Jones 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 Jones County, NC 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.
Jones County's rank among North Carolina counties
Nationally, Jones County, NC is the 2,099-most-constrained of 3,085 rated counties for shrink-swell soil. Within North Carolina alone it ranks 42 of 100. Jones County covers 471 square miles and counts 9,462 residents.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Washington County, NY and McDonough County, IL 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 North Carolina
Every county in North Carolina is on this site, including Surry County, NC and Transylvania County, NC. The full underlying dataset is downloadable directly, one row per county.