The Administration & Investigation Bureau works to improve the efficiency and effectiveness of the Police Department through coordinated planning, training, and the implementation and evaluation of police services. Four Sections operate under the Administration Bureau : Investigations Section, Personnel & Training Section, Community Affairs Section, and Records Section.

The Administration Bureau also manages payroll and accounting functions, manages department-specific State and Federal grant funding, prepares and manages the Department's budget, conducts Internal Affairs investigations, and responds to citizen complaints.