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McMullen Septic ServiceLicensed

Licensed septic contractor based in Seaford, Sussex County, DE

License number	5517F, 5517H, 5954H, 5968F, 6330E1, 4337E3, 4337F, 4337H, 5204E3, 5204F, 5204H
License type	Class E (System Contractor) · Class F (Liquid Waste) · Class H (Systems Inspector)
License status	Approved
Based in	Seaford, Sussex County, Delaware 19973

"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

Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
Pumping / cleaning: licensed to pump out and clean septic tanks, service them, and haul the waste.
Inspection: licensed to inspect existing septic systems; the license you want for a home-purchase inspection.

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 #5517F, 5517H, 5954H, 5968F, 6330E1, 4337E3, 4337F, 4337H, 5204E3, 5204F, 5204H directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Delaware DNREC - licensed on-site wastewater treatment and disposal system licensees, last checked 2026-08-16. Verify at the official source.

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