Grundy County, TN Shrink-Swell Risk

Grundy County's SSURGO shrink-swell reading

Low

In Grundy County, TN, 93% of the surveyed soil carries a "Low" shrink-swell rating, 1.5% 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

Grundy County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Grundy County will actually do.

Budgeting for Grundy County, TN

Grundy 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, Grundy County, TN ranks 2,506 most-constrained nationally, and 78 of 95 within Tennessee. The county spans 360 square miles, home to 14,148 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Lancaster County, PA and Bay County, FL 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 Tennessee

Every county in Tennessee is on this site, including Wayne County, TN and Johnson County, TN. The full underlying dataset is downloadable directly, one row per county.