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LEONARDTOWN, MD (June 12, 2025) – The St. Mary’s County Health Department (SMCHD) will be closed on Thursday, June 19, 2025 for the Juneteenth holiday. This includes the main office in Leonardtown and all satellite offices. Normal operations will resume on Friday, June 20, 2025.
Learn more about SMCHD programs, services, and hours of operation at smchd.org/about/locations.
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Mon – Fri: 8:00 am – 5:00 pm
Mon – Fri: 8:30 am – 4:00 pm
Mon & Thurs: 7:00 am – 2:00 pm
Tues, Wed, & Fri: 7:00 am – 4:30 pm
A call center has been opened for St. Mary’s County residents needing more information about measles. Community members can call the center at 240-735-8288 Monday – Friday from 8:00 a.m. – 4:30 p.m.