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LEONARDTOWN, MD (January 12, 2026) – The St. Mary’s County Health Department (SMCHD) will be closed on Monday, January 19, 2026, in observance of Martin Luther King Jr. Day. This includes the main office in Leonardtown and all satellite offices. Normal operations will resume on Tuesday, January 20, 2026.
Visit smchd.org for more information on SMCHD locations and services.
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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 7:00 a.m. – 5:00 p.m.