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Sterling Cabinetry & CarpentryLicensed

Licensed septic contractor based in Middletown, New Castle County, DE

License number	2351B, 2351H, 2351E3
License type	Class B (Standard-Designer) · Class E (System Contractor) · Class H (Systems Inspector)
License status	Approved
Based in	Middletown, New Castle County, Delaware 19709

"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

Design: licensed to size and lay out a septic system for a specific site and soil condition.
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 #2351B, 2351H, 2351E3 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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