Foundation repair, basement waterproofing and concrete leveling in Sioux City, IA.

Bluff neighborhoods sit on deep loess that is highly erodible. Missouri River bottomland areas have alluvial soils with high water tables. The two soil environments create different problems and require different solutions.

Sioux City is worked out of our Norfolk, NE office. It is 62 miles from the middle of town, about 80 minutes on the road. The office is at 1105 S 13th St, Ste 205, Norfolk, NE 68701.

Soil mapping within Sioux City returns Ida at about 40 percent of the survey, with Onawa and Hamburg alongside it. By texture that survey runs 30 percent clay and 40 percent silt. The weighted linear extensibility figure, which is how much the soil changes volume between wet and dry, sits at 4.06 percent, a moderate shrink swell rating. The sample inside the city runs 20 percent clay against 30 percent across Woodbury County, so the ground here is lighter than the county average. Based on NOAA 1991 to 2020 climate normals for Sioux City Gateway Airport, precipitation averages 29.3 inches a year and about 154 days a year have a low of 32 degrees or colder, so the soil beside a wall can be wet, dry or frozen at different times of the year. What is actually happening at your address is something we confirm on site, not something we read off a map.

The years before 1940 put up more homes than any other period, 10,913 of them, and the median year built is 1955. 27,823 of those homes predate 1980, which is where we most often find footing drains that were never installed and backfill that was never compacted. 16 percent of the housing here, 5,285 units, sits in buildings of five or more, so a fair share of local work is on shared structures rather than single family homes. 62 percent of owner occupied homes here carry a mortgage, which is usually why a lender or an appraiser is the first to ask about a crack. Every inspection ends with a Customized Repair Estimate that describes what we found at that house.

ZIP codes inside Sioux City: 51054, 51101, 51103, 51106, 51111. Addresses just outside those boundaries are covered too; a city limit is a mapping line, not a service boundary.