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Septic Registry

John H Cook and Son

ContractorClayton · Kent County, Delaware

Call (302) 653-9932

The state record

Name as listed
John H Cook and Son
Phone as listed
(302) 653-9932
Licence number
4686E3
Licence class
Class E (System Contractor)
City
Clayton
County of record
Kent County
Record published
August 26, 2026
Licensing agency
Delaware Department of Natural Resources and Environmental Control

What this licence covers

Certified as licensed system contractor
Georgia certifies installers and pumpers separately. John H Cook and Son appears on the DNREC Licensed On-Site Wastewater Licensees roster only — for the other job you would need a company on the other roster.

What this listing does and does not tell you

John H Cook and Son appears on Delaware’s septic licensing records as a licensed system contractor, as published August 26, 2026. That is a statement by Delaware DNREC that the licence was held when the record was compiled.

It is not a rating, a review, an endorsement or a guarantee of insurance, price or workmanship — and licences lapse. Nothing on this page comes from the company itself, and no company pays to be here.

To confirm the licence is current today, check with DNREC, or the state's own licensee dataset. Step by step →

Questions about John H Cook and Son

Is John H Cook and Son licensed for septic work in Delaware?
John H Cook and Son appears on Delaware DNREC's records under Class E (System Contractor) 4686E3, as published August 26, 2026, filed under Kent County. Licences can lapse between publications, so confirm it is current before hiring.
What is John H Cook and Son licensed to do?
Georgia certifies installers and pumpers separately. John H Cook and Son appears on the DNREC Licensed On-Site Wastewater Licensees roster only — for the other job you would need a company on the other roster.
How do I verify John H Cook and Son's licence myself?
Check with DNREC, or the state's own licensee dataset, quoting 4686E3. Nothing on this page comes from the company, and we do not verify anyone ourselves — we republish the state record and name it.
Who else is licensed near John H Cook and Son?
Kent County has 39 licensed septic businesses on the same record. Worth knowing when the first company you call cannot come out for a fortnight.

Other licensed companies in Kent County

All 39 in Kent County →