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Robert F WiesnerLicensed

Licensed water well contractor based in Newark, New Castle County, DE

License number	653
License type	Pump Installer Contractor
License status	Approved
Based in	Newark, New Castle County, Delaware 19702

"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

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What this license covers

Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.

How to verify this license

We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #653 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Delaware DNREC - licensed water well and pump installer contractors, last checked 2026-08-16. Verify at the official source.

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