Van Buren County, MI Shrink-Swell Risk
Van Buren County, MI's soil, for shrink-swell risk
Low
Van Buren County, MI: USDA's soil survey rates 92.6% of the county "Low" for shrink-swell potential (1.24% 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 Van Buren County's reading doesn't cover
Two lots a mile apart in Van Buren 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 Van Buren County, MI 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.
Where this sits nationally
Nationally, Van Buren County, MI is the 2,739-most-constrained of 3,085 rated counties for shrink-swell soil. Within Michigan alone it ranks 52 of 83. The county spans 608 square miles, home to 76,129 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Door County, WI and Washington County, IN 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 Michigan
Every county in Michigan is on this site, including Missaukee County, MI and Gratiot County, MI. The full underlying dataset is downloadable directly, one row per county.