Floyd County, VA Shrink-Swell Risk

Shrink-swell potential in Floyd County, VA

Low

Soil across 95.3% of Floyd County, VA comes back "Low" in USDA's shrink-swell data, averaging 1.6% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Floyd County, VA - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Floyd County: the real numbers

Floyd 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, Floyd County, VA ranks 2,389 most-constrained nationally, and 105 of 114 within Virginia. Floyd County covers 381 square miles and counts 15,658 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Chambers County, TX and Garland County, AR 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 Virginia

Every county in Virginia is on this site, including Hampton city, VA and Surry County, VA. The full underlying dataset is downloadable directly, one row per county.