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Septic Registry

Licensed septic companies in Delmar, Delaware

1 business on Delaware’s septic licensing records gives an address in Delmar. Delmar is in Sussex County, which has 90 in total.

More licensed companies elsewhere in Sussex County

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

Septic licensing in Delmar

How many licensed septic companies are there in Delmar?
1 business gives Delmar as their address on Delaware's septic licensing records. That count is of businesses based in Delmar, not of everyone who will work there — a Delaware licence is valid across the state.
Do I have to use a company based in Delmar?
No. Licensing is statewide, so any licensed company can legally work in Delmar. Sussex County has 90 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 Delmar 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 Sussex County

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