Maryland Department of General Services

DGS Managed State Facilities

Herbert R. O'Conor Building

Herbert R. O'Conor Building​

Location
201 W. Preston St. 
Baltimore, MD 21201

Contact
Customer Service Center
410-767-1400
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Year Built
1974

Size
854,000 Sq. Ft.

Agencies
  • Health & Mental Hygiene
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Maryland Governor and Leutenant Governor

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The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services.

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301 West Preston Street, Baltimore, MD 21201
(800) 449-4347