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John B. BieselLicensed

Licensed septic contractor in Upper Marlboro, MD

Name	John B. Biesel
Company	Site Design Inc
License number	01015
License type	Registered On-Site Wastewater (Septic) Professional
License status	Current — MD State Board of On-Site Wastewater Professionals
License expires	2026-12-31
Location	Upper Marlboro, Maryland 20772
Phone	(301) 952-8200

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How to verify this license

We publish this listing exactly as it appears in Maryland's official licensing records; we do not vouch for the business itself. Before hiring, look up license #01015 directly with the state, confirm it is still active, and ask for a current certificate of insurance.

Source: MD State Board of On-Site Wastewater Professionals - registered individuals, last checked 2026-08-17. Verify at the official source.

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