Jasper County, IA Shrink-Swell Risk
Jasper County's SSURGO shrink-swell reading
Moderate
In Jasper County, IA, 85% of the surveyed soil carries a "Moderate" shrink-swell rating, 4.38% 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
Jasper 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 Jasper County, IA
Jasper 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 Jasper County, IA compares
Among the 3,085 rated counties on this site, Jasper County, IA ranks 415 most-constrained nationally, and 33 of 99 within Iowa. Jasper County, IA is 730 square miles with a population of 38,107.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Monroe County, GA and Mercer County, MO 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 Iowa
Every county in Iowa is on this site, including Van Buren County, IA and Page County, IA. The full underlying dataset is downloadable directly, one row per county.