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LEONARDTOWN, MD (April 1, 2026) – The St. Mary’s County Health Department (SMCHD) will be closed on Tuesday, April 7, 2026, from 10:30 a.m. – 3:00 p.m. for employee activities. This includes the main office in Leonardtown and all satellite offices. Services will reopen for community members at 3:00 p.m. for the remaining business hours on this date.
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
Need Assistance?
For general Health Department questions, please call our main office at 301-475-4330.
For measles-related questions, please contact our Measles Call Center Monday – Friday from 8:00 a.m. – 4:30 p.m. at 240-735-8288.
Health Care Providers: Please use the contact information listed on our Provider Resources page to report suspected or confirmed infectious diseases. Provider reporting should not be directed to the community call center.