Guilford County, NC Shrink-Swell Risk

Guilford County's SSURGO shrink-swell reading

Moderate

In Guilford County, NC, 54.6% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.22% linear extensibility on average. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

Before you rely on this for one address

Guilford 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 Guilford County, NC

Guilford 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, Guilford County, NC ranks 1,030 most-constrained nationally, and 6 of 100 within North Carolina. The county spans 646 square miles, home to 558,816 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Morgan County, IN and Fulton County, GA 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 North Carolina

Every county in North Carolina is on this site, including Anson County, NC and Haywood County, NC. The full underlying dataset is downloadable directly, one row per county.