Matanuska-Susitna Borough, AK Shrink-Swell Risk

Matanuska-Susitna Borough's SSURGO shrink-swell reading

Low

In Matanuska-Susitna Borough, AK, 100% of the surveyed soil carries a "Low" shrink-swell rating, 1.42% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Matanuska-Susitna Borough's reading is an average across the whole county, not a promise about any one lot inside it. 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 Matanuska-Susitna Borough.

Budgeting for Matanuska-Susitna Borough, AK

Matanuska-Susitna Borough'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, Matanuska-Susitna Borough, AK ranks 2,593 most-constrained nationally, and 4 of 11 within Alaska. Matanuska-Susitna Borough covers 24,707 square miles and counts 117,613 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Glenn County, CA and New Kent County, VA 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 Alaska

Every county in Alaska is on this site, including Wrangell City and Borough, AK and Yukon-Koyukuk Census Area, AK. The full underlying dataset is downloadable directly, one row per county.