Forsyth County, GA Shrink-Swell Risk

Shrink-swell potential in Forsyth County, GA

Low

Soil across 99.3% of Forsyth County, GA comes back "Low" in USDA's shrink-swell data, averaging 1.57% 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 Forsyth County, GA - 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).

Forsyth County: the real numbers

Forsyth 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.

Forsyth County's rank among Georgia counties

Among the 3,085 rated counties on this site, Forsyth County, GA ranks 2,409 most-constrained nationally, and 61 of 159 within Georgia. Forsyth County covers 225 square miles and counts 280,096 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Greer County, OK and Rockland County, NY 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 Georgia

Every county in Georgia is on this site, including Lumpkin County, GA and Twiggs County, GA. The full underlying dataset is downloadable directly, one row per county.