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Gerardi Septic Service, LLCLicensed

Licensed septic contractor based in Harrington, Kent County, DE

License number	4504E4, 4050E3, 4504H
License type	Class E (System Contractor) · Class H (Systems Inspector)
License status	Approved
Based in	Harrington, Kent County, Delaware 19952

"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.
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 #4504E4, 4050E3, 4504H 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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