Permit and Plan Review
The Permit and Plan Review Section is responsible for reviewing and evaluating encroachment permit requests, subdivision and road/flood control improvement plans and specifications and permits for…
OC Public Works
WORKING FOR ORANGE COUNTY OC Operations & Maintenance (O&M) enhances and protects communities through the operation and maintenance of public infrastructure, while serving a critical…
Sign Maintenance
OC Public Works Operations and Maintenance is responsible for the installation, maintenance, repair, and replacement of regulatory, warning, guide, and street name signs on the County’s…
Inspection Regulatory
The county is responsible for 340 Road miles and 380 miles of flood control channels. If you would like to report a problem located within unincorporated Orange County or something regarding a Flood…
Catch Basin Maintenance
The County of Orange has over 145 miles of underground storm drain facilities. OC Operations & Maintenance is responsible for inspection, maintenance and repair of the storm drain system in…
Other Agencies
American Red Cross (Desert to the Sea Region) California Department of Forestry and Fire Protection (CAL FIRE) -- Incidents U.S. Geological Survey -- Flood and high flow conditions County of…
OM GIS Maps
O&M has GIS maps that depict the County’s maintained roadways and flood control facilities. These maps are used to monitor and manage maintenance activities and projects. …
Dams
Seven Oaks Dam Seven Oaks Dam is one of the largest earth and rock-filled dams in the world. It is as high as a fifty story building and ten football fields in length from side to side. Situated…
Holiday Schedule
The OC Public Works facilities will be closed on the following Observed 2020 Holidays: * Indicates the observed date differs from the actual date of the holiday. 2020…
Office Locations
County Administration South 601 North Ross Street Santa Ana, CA 92701 Click here for directions. Mailing Address: P.O. Box…