West Feliciana Parish, LA Shrink-Swell Risk

What West Feliciana Parish, LA's soil means for a foundation

Moderate

USDA's SSURGO data puts West Feliciana Parish, LA's soil at "Moderate" shrink-swell potential, an area-weighted linear extensibility of 3.36% across 81.6% of the county's surveyed land. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

This is a county figure, not a lot figure

USDA's survey covers the whole of West Feliciana Parish, LA at once, not any single address. 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 West Feliciana Parish.

Report cost vs. repair cost

With West Feliciana Parish, LA rating "Moderate", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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 West Feliciana Parish, LA compares

Nationally, West Feliciana Parish, LA is the 939-most-constrained of 3,085 rated counties for shrink-swell soil. Within Louisiana alone it ranks 47 of 64. West Feliciana Parish covers 403 square miles and counts 15,155 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Mississippi County, AR and Harlan County, NE 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

More of Louisiana

Every county in Louisiana is on this site, including Red River Parish, LA and St. Mary Parish, LA. The full underlying dataset is downloadable directly, one row per county.