Home › Maryland › Baltimore County › Glen Arm › Harry (Michael) M. Sample

Harry (Michael) M. SampleLicensed

Licensed septic contractor based in Glen Arm, Baltimore County, MD

License details

Company	Sample Excavating Co., Inc
License number	00999
License type	Registered On-Site Wastewater (Septic) Professional
License status	Current, MD State Board of On-Site Wastewater Professionals
License expires	December 31, 2026
Based in	Glen Arm, Baltimore County, Maryland 21057

"Based in" is the city and county of the address on the business's license record.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #00999 directly with the agency that issued it, 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. Look it up at the issuing agency.

Compare licensed contractors based in Glen Arm

All listings based in Glen Arm 2

Other septic contractors based in Glen Arm

Michael P. McKennyLicensed

Septic

Based in Glen Arm, MD · License #00624

Other licensed septic contractors based in Baltimore County

Gary CooperLicensed

Septic

Liquid Environmental Solutions · Based in Rosedale, MD · License #01344

Travis M. ErbLicensed

Septic

Based in Baltimore, MD · License #02037

Thomas A. Cossentino, Jr.Licensed

Septic

Tom Cossentino, Jr. Septic · Based in Upperco, MD · License #01566

Christian D. Arrue CisnerosLicensed

Septic

Based in Baltimore, MD · License #01525

Patrick C. Richardson, JrLicensed

Septic

Richardson Engineering LLC · Based in Timonium, MD · License #01404

See every listing based in Baltimore County or in Glen Arm.