Home › Maryland › Pasadena › Matthew H. Riehl

Matthew H. RiehlLicensed

Licensed septic contractor in Pasadena, MD

Name	Matthew H. Riehl
Company	A-1 Septic Services, Inc.
License number	00542
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	Pasadena, Maryland 21122
Phone	(410) 437-5115

Request a quote from Matthew H. Riehl

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 #00542 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.

Are you Matthew H. Riehl? Claim this listing to set your business name and add your website, service area, hours, and photos. It's free.