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Daniel M. HaydenLicensed

Licensed septic contractor based in Huntingtown, MD

Name	Daniel M. Hayden
Company	DMH Plumbing & Excavating LLC
License number	00525
License type	Registered On-Site Wastewater (Septic) Professional
License status	Current — MD State Board of On-Site Wastewater Professionals
License expires	2028-06-30
Based in	Huntingtown, Maryland 20639
Phone	(443) 771-2579

"Based in" is the city on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.

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How to verify this license

We publish the license details exactly as they appear in Maryland's official licensing records; we do not vouch for the business itself. Before hiring, look up license #00525 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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