Need a new well, a pump repair or a well inspection 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: licensed well drillers who work in New Castle County get back to you.
Well permits in New Castle County are issued by the state or the county health department, depending on local rules.
Services available in New Castle County
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New water well
Drilling, casing and development of a new water well, with the state well permit and log.
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Well pump installation or repair
Installation, replacement or repair of the well pump, pressure tank and controls.
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Well inspection or rehabilitation
Inspection, cleaning, deepening or proper abandonment of an existing well.
Frequently asked questions in New Castle County
Do licensed well drillers 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.
Well Drilling 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.