Diamond Bar City Hall is managed by the city of Diamond Bar in California. Incorporated in 1989, the city has a population of more than 58,000 people. The city of Diamond Bar in California manages a public library and elementary, middle and high schools. The city also operates community development, information systems, public information, finance and human resources departments. Its public works department is responsible for the maintenance of properties, including streets, curbs, gutters, sidewalks, traffic signals, signs, streetlights and drains. In addition, the city offers emergency, risk management, and animal and pest control services. It handles cases related to fire and medical emergencies.