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Septic Registry

Licensed septic companies in Newark, Delaware

8 businesses on Delaware’s septic licensing records give an address in Newark. Newark is in New Castle County, which has 38 in total.

3 licensed system contractors1 licensed liquid waste haulers5 licensed system designers3 licensed systems inspectors

More licensed companies elsewhere in New Castle County

A Delaware licence is valid statewide. These are based in the same county but a different town, and can legally work in Newark.

Septic licensing in Newark

How many licensed septic companies are there in Newark?
8 businesses give Newark as their address on Delaware's septic licensing records. That count is of businesses based in Newark, not of everyone who will work there — a Delaware licence is valid across the state.
Do I have to use a company based in Newark?
No. Licensing is statewide, so any licensed company can legally work in Newark. New Castle County has 38 in total, and companies in neighbouring counties can travel too. Being local usually matters for call-out speed and price, not permission.
How do I check a Newark septic company is really licensed?
Every listing here names the record it came from and the date that record was published. To confirm it is still current, check with DNREC, or the state's own licensee dataset.

Other towns in New Castle County

Records as published August 26, 2026. Report a correction.