Private Event Security Service

The City of Diamond Bar, California is seeking a vendor to provide unarmed event security services for private and community events held at city-owned and operated facilities. The agency requires this security presence to maintain safety and order during specific event scenarios. These scenarios include gatherings with two hundred or more guests, events featuring multiple bar stations or multiple room reservations, events with a majority of youth, and events where attendance is expected to exceed parking lot capacities. The scope of work requires the selected vendor to perform all security services onsite at the designated city facilities. Only onshore organizations based in the United States are eligible to submit proposals for this opportunity. The agency is accepting digital proposal submissions either via email or through their online portal. The agency is currently looking for proposals to determine the budget and cost structure for these services. Interested parties must submit all questions regarding this opportunity no later than June 19, 2026.