Oswego County, NY Shrink-Swell Risk

Shrink-swell potential in Oswego County, NY

Low

Soil across 95.5% of Oswego County, NY comes back "Low" in USDA's shrink-swell data, averaging 1.48% 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 this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Oswego County, NY - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Oswego County: the real numbers

Oswego County's soil reading points toward standard foundation practice as the likely outcome, not the exception. 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

Among the 3,085 rated counties on this site, Oswego County, NY ranks 2,530 most-constrained nationally, and 27 of 62 within New York. Oswego County, NY is 952 square miles with a population of 118,305.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Hamilton County, OH and Anne Arundel County, MD 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

Elsewhere in New York

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