Plumbing/Mechanical/Gas License and Registration Renewals
Renewal notifications were sent via email to the email address associated with each license/registration. Renewals are due by May 31, 2026 and can be renewed online. To renew - log into your account and access the license/registration that needs renewed and pay the associated fees due.
Renewal Procedures can be obtained at https://www.washco-md.net/wp-content/uploads/Online-Plumbing-and-Mechanical-Renewal-Procedures.pdf