Need excavation in New Castle County, DE? New Castle County has about 588,093 residents (2024 estimate) and 13 incorporated cities and towns. Describe your project once: excavation contractors who work in New Castle County get back to you.
Grading and utility permits in New Castle County are issued by the city, the county or the utility.
Services available in New Castle 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 New Castle County
Do excavation contractors cover the whole of New Castle 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 Delaware: 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.