Hamblen County, TN Shrink-Swell Risk

Hamblen County's SSURGO shrink-swell reading

Moderate

In Hamblen County, TN, 65.7% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.3% linear extensibility on average. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

Before you rely on this for one address

Hamblen 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 Hamblen County will actually do.

Budgeting for Hamblen County, TN

Hamblen 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.

How Hamblen County, TN compares

Among the 3,085 rated counties on this site, Hamblen County, TN ranks 974 most-constrained nationally, and 11 of 95 within Tennessee. Hamblen County covers 161 square miles and counts 67,715 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Jackson County, FL and Rutherford County, TN 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 Lake County, TN and Decatur County, TN. The full underlying dataset is downloadable directly, one row per county.