Sarpy County, NE Shrink-Swell Risk

Sarpy County, NE's soil, for shrink-swell risk

Moderate

Sarpy County, NE: USDA's soil survey rates 71.8% of the county "Moderate" for shrink-swell potential (3.75% linear extensibility). A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What Sarpy County's reading doesn't cover

Two lots a mile apart in Sarpy 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 Sarpy County will actually do.

What it costs to find out, versus to ignore it

With Sarpy County, NE rating "Moderate", 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.

How Sarpy County, NE compares

Nationally, Sarpy County, NE is the 698-most-constrained of 3,085 rated counties for shrink-swell soil. Within Nebraska alone it ranks 29 of 93. The county spans 238 square miles, home to 204,828 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Clark County, IN and Plaquemines Parish, LA 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 Nebraska

Every county in Nebraska is on this site, including Otoe County, NE and Logan County, NE. The full underlying dataset is downloadable directly, one row per county.