Niagara County, NY Shrink-Swell Risk

Niagara County, NY's soil, for shrink-swell risk

Low

Niagara County, NY: USDA's soil survey rates 66.8% of the county "Low" for shrink-swell potential (2.7% 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 Niagara County's reading doesn't cover

Two lots a mile apart in Niagara County can carry different soil, even though they share one countywide reading. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Niagara County.

What it costs to find out, versus to ignore it

With Niagara County, NY 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.

How Niagara County, NY compares

Nationally, Niagara County, NY is the 1,405-most-constrained of 3,085 rated counties for shrink-swell soil. Within New York alone it ranks 2 of 62. Niagara County, NY is 522 square miles with a population of 209,570.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Portage County, OH and Red River 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 New York

Every county in New York is on this site, including Cortland County, NY and Kings County, NY. The full underlying dataset is downloadable directly, one row per county.