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Friday, June 19, 2026 — The Department of Assessment and Taxation will be closed in recognition of Juneteenth, which includes the public counter located at 123 Market Place. Business will resume the next workday.
Phone: 410-767-1184 Outside the Baltimore Metro Area: 1-888-246-5941 Maryland Relay: 1-800-735-2258 General inquiries email: [email protected] View a list of frequently contacted DAT officesYour local government tax billing & collection office contacts
We're available on the following channels.