Welcome to the Orange County - Operations & Maintenance Website.

The OC Public Works/Operations and Maintenance is a diverse organization under direction of the Board of Supervisors whose goal is to serve the citizens of Orange County by providing a safe environment and enhanced quality of life through improvements to and maintenance of public infrastructure. Operations and Maintenance provides a wide range of planning, design, project management, construction and maintenance services to Orange County’s unincorporated areas, 319 miles of flood control channels, 4 dams, 7 pumping stations, 310.5 road miles, and other infrastructure. O&M also serves as the public works department for the contracted cities of Lake Forest, Mission Viejo, Laguna Hills, Dana Point, and Laguna Woods. O&M also plays a crucial role in responding to the needs of the public in the aftermath of devastating fire and storm events and other general emergencies .

We are committed to providing the residents and visitors of Orange County with world-class infrastructure maintenance delivered in a timely and cost effective manner.