Law Enforcement Agencies in Fairfax, VA VA › Fairfax County Agencies serving the city of Fairfax in VA. Agency Types in Fairfax Campus Police 1 agencies County Jails 1 agencies Federal 1 agencies Municipal Police 1 agencies Parole Probation 1 agencies Sheriff 2 agencies State Police 1 agencies All Agencies in Fairfax, VA City of Fairfax Police Department Fairfax County Cmnty Corrections Probation & Parole Fairfax County Fairfax County Adult Detention Center Fairfax County Fairfax County PD Fairfax County Fairfax County Sheriffs Department Fairfax County George Mason University Fairfax County Homeland Security Investigations (HSI) Fairfax County Virgina Department of State Police Fairfax County
