There are 24 jurisdictions in Maryland, including 23 counties and Baltimore City. Please contact the health department directly for information on STI services offered and location hours.
Allegany County Health Department
12501 Willowbrook Road SE
Cumberland, MD 21502
Phone: 301-759-5084
Anne Arundel County Health Department
1 Harry S Truman Parkway, Suite 200
Annapolis MD 21401
Phone: 410-222-7382
Baltimore City Health Department
1001 E. Fayette Street
Baltimore, MD 21202
Phone: 410-396-4448
Baltimore County Health Department
6401 York Road, 3rd Floor
Baltimore, MD 21212
Phone: 410-887-2705
Calvert County Health Department
975 Solomons Island Road North
Prince Frederick, MD 20678
Phone: 410-535-5400
Caroline County Health Department
403 South 7th Street
Denton, MD 21629
Phone: 410-479-8000
Carroll County Health Department
290 South Center Street
Westminster, MD 21157
Phone: 410-876-4770
Cecil County Health Department
401 Bow Street
Elkton, MD 21921
Phone: 410-996-5100
Charles County Health Department
4545 Crain Highway
White Plains, MD 20695
Phone: 301-609-6900
Website
Dorchester County Health Department
3 Cedar Street
Cambridge, MD 21613
Phone: 410-228-3223
Frederick County Health Department
350 Montevue Lane
Frederick, MD 21702
Phone: 301-600-1733
Garrett County Health Department
1025 Memorial Drive
Oakland, MD 21550
Phone: 301-334-7770
Harford County Health Department
1321 Woodbridge Station Way
Edgewood, MD 21040
Phone: 410-612-1779
Howard County Health Department
8930 Stanford Blvd.
Columbia, MD 21045
Phone: 410-313-7500
Kent County Health Department
125 S. Lynchburg Street
Chestertown, MD 21620
Phone: 410-778-1350
Montgomery County Health Department
2000 Dennis Avenue, Suite. 24
Silver Spring, MD 20902
Phone: 240-777-1760
Prince George’s County Health Department
3003 Hospital Drive, Suite 3048
Cheverly, MD 20785
Phone: 301-583-3150
Queen Anne’s County Health Department
206 North Commerce Street
Centreville, MD 21617
Phone: 410-758-0720
Somerset County Health Department
7920 Crisfield Highway
Westover, MD 21871
Phone: 443-523-1740
St. Mary’s County Health Department
21580 Peabody Street
Leonardtown, MD 20650
Phone: 301-475-4330
Talbot County Health Department
100 South Hanson Street
Easton, MD 21601
Phone: 410-819-5600
Website
Washington County Health Department
1302 Pennsylvania Avenue
Hagerstown, MD 21742
Phone: 240-313-3210
Wicomico County Health Department
108 East Main Street
Salisbury, MD 21801
Phone: 410-543-6943
Worcester County Health Department
6040 Public Landing Road
Snow Hill, MD 21863
Phone: 410-632-1100
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