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Mark A. AlexanderLicensed

Licensed septic contractor in Darlington, MD

Name	Mark A. Alexander
Company	Alexander Plumbing services, INC
License number	01522
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	Darlington, Maryland 21034
Phone	(410) 378-5210

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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 #01522 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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