Montgomery County, KS Shrink-Swell Risk

Shrink-swell potential in Montgomery County, KS

Moderate

Soil across 44.7% of Montgomery County, KS comes back "Moderate" in USDA's shrink-swell data, averaging 5.14% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Montgomery County, KS - 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 Montgomery County will actually do.

Montgomery County: the real numbers

Montgomery 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.

Montgomery County's rank among Kansas counties

Among the 3,085 rated counties on this site, Montgomery County, KS ranks 271 most-constrained nationally, and 42 of 105 within Kansas. Montgomery County covers 644 square miles and counts 30,459 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Benton County, TN and Gem County, ID 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 Kansas

Every county in Kansas is on this site, including Pawnee County, KS and Dickinson County, KS. The full underlying dataset is downloadable directly, one row per county.