Indian River County, FL Shrink-Swell Risk
Indian River County, FL's soil, for shrink-swell risk
Low
Indian River County, FL: USDA's soil survey rates 97.7% of the county "Low" for shrink-swell potential (0.93% linear extensibility). Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
What Indian River County's reading doesn't cover
Two lots a mile apart in Indian River County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).
What it costs to find out, versus to ignore it
With Indian River County, FL rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.
Indian River County's rank among Florida counties
Nationally, Indian River County, FL is the 2,927-most-constrained of 3,085 rated counties for shrink-swell soil. Within Florida alone it ranks 42 of 66. The county spans 503 square miles, home to 172,139 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Grayson County, VA and Putnam County, IN 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
More of Florida
Every county in Florida is on this site, including Volusia County, FL and Polk County, FL. The full underlying dataset is downloadable directly, one row per county.