Suffolk County, NY Shrink-Swell Risk

Suffolk County's SSURGO shrink-swell reading

Low

In Suffolk County, NY, 99.9% of the surveyed soil carries a "Low" shrink-swell rating, 0.86% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Suffolk County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Suffolk County, NY

Suffolk 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.

How Suffolk County, NY compares

Among the 3,085 rated counties on this site, Suffolk County, NY ranks 2,955 most-constrained nationally, and 56 of 62 within New York. The county spans 911 square miles, home to 1,535,909 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Coosa County, AL and Charles Mix County, SD 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 Oswego County, NY and Orange County, NY. The full underlying dataset is downloadable directly, one row per county.