- Business License Information Systems
- Domestic Violence Center
- Harford County Bar Association
- Harford County District Court
- Harford County Government
- Harford County Historical Society
- Harford County Register of Wills
- Harford County Sheriff's Department
- Harford County Department of Human Services
- Maryland Attorney General's Office
- Maryland Comptroller
- Maryland Child Support Services
- Maryland Department of Health
- Maryland General Assembly
- Maryland Home Improvement Commission
- Maryland Judiciary
- Maryland State Government Portal
- Maryland Real Property Records Search System (SDAT)
- Maryland State Archives
- Maryland State Bar Association
- Maryland State Law Library
- National Center for State Courts
- Office of the Public Defender
- Peoples Law Library
- PLATS.NET (Maryland Archives Plat Imaging Application - access can be granted with the username: plato and the password: plato#)
- Secretary of State
- 20 West Courtland Street
- Bel Air, MD 21014
- Open: 8:30 AM–4:30 PM
