Need excavation in St. Louis County, MO? St. Louis County has about 992,929 residents (2024 estimate) and 87 incorporated cities and towns. Describe your project once: excavation contractors who work in St. Louis County get back to you.
Grading and utility permits in St. Louis County are issued by the city, the county or the utility.
Services available in St. Louis County
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Foundation and basement excavation
Digging for a foundation, basement or addition, with backfill.
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Utility trenches and site work
Trenches for water, sewer and power, building pads, driveways and grading.
Frequently asked questions in St. Louis County
Do excavation contractors cover the whole of St. Louis County?
Most pros work across the county and neighboring counties. Enter your ZIP code in the form and we match you with pros who serve your exact area.
Excavation in Missouri: all counties
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.