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Blake E. HarmonLicensed

Name: Blake E. Harmon
Address: Grantville, MD

Licensed septic contractor based in Grantville, MD

License details

Company	Harmon Excavating LLC
License number	02451
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	Grantville, Maryland

"Based in" is the city 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 #02451 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.

See every listing based in Grantville.