St. Mary's County Health Department
Health Services for St. Mary's County, Maryland
LEONARDTOWN, MD (April 9, 2025) – The St. Mary’s County Health Department (SMCHD) will be closed on Friday, April 18, 2025, for the Good Friday holiday. This includes the main office in Leonardtown and all satellite offices. Normal operations will resume on Monday, April 21, 2025.
Visit smchd.org for more information on SMCHD locations and services.
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21580 Peabody St.
Leonardtown, MD 20650
Phone 301-475-4330
TYY: 1-800-735-2258
Email smchd.healthdept@maryland.gov
Mon. - Fri. 8 a.m. – 5 p.m.
Environmental Health Division hours:
Mon. & Thurs. 7:00 a.m. - 2:00 p.m.
Tues., Wed., & Fri. 7:00 a.m. - 4:30 p.m.
Copyright © 2025 · SMCHD is a local agency of Maryland Department of Health and Mental Hygiene