Columbia County, NY Shrink-Swell Risk

Shrink-swell potential in Columbia County, NY

Low

Soil across 93.3% of Columbia County, NY comes back "Low" in USDA's shrink-swell data, averaging 1.7% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Columbia 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).

Columbia County: the real numbers

Columbia 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.

Columbia County's rank among New York counties

Among the 3,085 rated counties on this site, Columbia County, NY ranks 2,279 most-constrained nationally, and 18 of 62 within New York. The county spans 635 square miles, home to 60,299 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Stephens County, OK and Johnson County, KY 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 Rockland County, NY and Oneida County, NY. The full underlying dataset is downloadable directly, one row per county.