Lincoln County, WA Shrink-Swell Risk

Shrink-swell potential in Lincoln County, WA

Low

Soil across 98% of Lincoln County, WA comes back "Low" in USDA's shrink-swell data, averaging 1.63% linear extensibility. 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.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Lincoln County, WA - never a reading for one specific parcel. 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 Lincoln County.

Lincoln County: the real numbers

Lincoln 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.

Lincoln County's rank among Washington counties

Among the 3,085 rated counties on this site, Lincoln County, WA ranks 2,353 most-constrained nationally, and 24 of 39 within Washington. The county spans 2,311 square miles, home to 11,862 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Ochiltree County, TX and Halifax County, NC 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 Washington

Every county in Washington is on this site, including Snohomish County, WA and Asotin County, WA. The full underlying dataset is downloadable directly, one row per county.