Macon County, NC Shrink-Swell Risk

Macon County's SSURGO shrink-swell reading

Low

In Macon County, NC, 99.3% of the surveyed soil carries a "Low" shrink-swell rating, 1.2% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Macon County's reading is an average across the whole county, not a promise about any one lot inside it. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Macon County.

Budgeting for Macon County, NC

Macon 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.

Macon County's rank among North Carolina counties

Among the 3,085 rated counties on this site, Macon County, NC ranks 2,767 most-constrained nationally, and 95 of 100 within North Carolina. Macon County covers 516 square miles and counts 38,717 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Portage County, OH and Clinton County, PA 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 Vance County, NC and Nash County, NC. The full underlying dataset is downloadable directly, one row per county.