Lamar County, GA Shrink-Swell Risk

Lamar County's SSURGO shrink-swell reading

Low

In Lamar County, GA, 96.7% of the surveyed soil carries a "Low" shrink-swell rating, 1.93% linear extensibility on average. 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.

Before you rely on this for one address

Lamar 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 Lamar County, GA

Lamar 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, Lamar County, GA ranks 2,053 most-constrained nationally, and 31 of 159 within Georgia. The county spans 184 square miles, home to 20,690 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Marshall County, IL and Sauk County, WI 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 Rabun County, GA and DeKalb County, GA. The full underlying dataset is downloadable directly, one row per county.