Addison County, VT Shrink-Swell Risk

Addison County, VT's soil, for shrink-swell risk

Low

Addison County, VT: USDA's soil survey rates 62.8% of the county "Low" for shrink-swell potential (2.37% 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 Addison County's reading doesn't cover

Two lots a mile apart in Addison County can carry different soil, even though they share one countywide reading. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Addison County will actually do.

What it costs to find out, versus to ignore it

With Addison County, VT 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.

Addison County's rank among Vermont counties

Nationally, Addison County, VT is the 1,670-most-constrained of 3,085 rated counties for shrink-swell soil. Within Vermont alone it ranks 2 of 14. Addison County, VT is 766 square miles with a population of 38,047.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Quitman County, MS and Merrick 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

More of Vermont

Every county in Vermont is on this site, including Washington County, VT and Essex County, VT. The full underlying dataset is downloadable directly, one row per county.