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LEONARDTOWN, MD (June 26, 2025) – The St. Mary’s County Health Department (SMCHD) will be closed on Friday, July 4, 2025 for the Independence Day holiday. This includes the main office in Leonardtown and all satellite offices. Normal operations will resume on Monday, July 7, 2025.
Learn more about SMCHD programs, services, and hours of operation at smchd.org.
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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.