Cameron Parish, LA Shrink-Swell Risk

Shrink-swell potential in Cameron Parish, LA

Very High

Soil across 52.5% of Cameron Parish, LA comes back "Very High" in USDA's shrink-swell data, averaging 10.33% linear extensibility. This is the reading most likely to explain cracking a homeowner is already seeing. An engineered foundation design, not a conventional footing, is the realistic expectation for new construction.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Cameron Parish, LA - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Cameron Parish will actually do.

Cameron Parish: the real numbers

With Cameron Parish, LA rating "Very High", the gap between finding out early and finding out late is the whole decision. A geotechnical report runs $1,000-$5,000 (typically $2,700); an actual foundation repair, once cracking sets in, typically runs $5,000-$15,000 (around $10,000 typical) - roughly 4x the report.

How Cameron Parish, LA compares

Among the 3,085 rated counties on this site, Cameron Parish, LA ranks 22 most-constrained nationally, and 14 of 64 within Louisiana. Cameron Parish covers 1,285 square miles and counts 4,678 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Midland County, MI and Morton County, KS are worth a look for comparison.

How this reading is built, and its real limits · The warning signs of expansive-clay damage, explained

Elsewhere in Louisiana

Every county in Louisiana is on this site, including Washington Parish, LA and East Carroll Parish, LA. The full underlying dataset is downloadable directly, one row per county.