Linn County, MO Shrink-Swell Risk

Linn County's SSURGO shrink-swell reading

Moderate

In Linn County, MO, 54.6% of the surveyed soil carries a "Moderate" shrink-swell rating, 5.89% linear extensibility on average. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

Before you rely on this for one address

Linn County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Linn County, MO

Linn 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 Linn County, MO compares

Among the 3,085 rated counties on this site, Linn County, MO ranks 143 most-constrained nationally, and 18 of 114 within Missouri. Linn County covers 616 square miles and counts 11,910 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Kleberg County, TX and Goshen County, WY 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 Missouri

Every county in Missouri is on this site, including Adair County, MO and Mississippi County, MO. The full underlying dataset is downloadable directly, one row per county.