The Mercer Island Police Civil Service Commission is responsible for overseeing the recruitment and employment of police officers, operating under Washington's Civil Service law. Its mission is to ensure an equitable hiring process and fair treatment for officers in disciplinary matters. The Commission meets monthly on the second Wednesday at 4:00 PM, encouraging public participation through both virtual and in-person attendance. Residents interested in attending are advised to email ahead to secure a spot. The Commission consists of three Mercer Island residents appointed by the City Manager, ensuring community representation in policing issues.

Meeting agendas and minutes can be requested by the public, and the updated Civil Service Rules governing the Commission's operations are accessible online, promoting transparency. The Commission's work is vital for maintaining accountability and fairness within the police department, reflecting the community's commitment to effective governance.