Skagit County, WA Shrink-Swell Risk

Skagit County's SSURGO shrink-swell reading

Low

In Skagit County, WA, 92.1% of the surveyed soil carries a "Low" shrink-swell rating, 1.59% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Skagit 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 Skagit County will actually do.

Budgeting for Skagit County, WA

Skagit 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 Skagit County, WA compares

Among the 3,085 rated counties on this site, Skagit County, WA ranks 2,395 most-constrained nationally, and 26 of 39 within Washington. The county spans 1,730 square miles, home to 132,736 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Phillips County, CO and Tyrrell 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 Wahkiakum County, WA. The full underlying dataset is downloadable directly, one row per county.