Maps and contact information for OC Public Works headquarters in Santa Ana, California. 

After-Hours Phone NumbersPublic roads, flood control channels and public right-of-way areas: (714) 955-0200Water pollution incidents:  1 (877) 89-SPILL (77455)County of Orange Facility…

The County Service Center (CSC) is located on the first floor of the County Administration South (CAS) building. OCPW General OfficePermit Counter at County Service Centerphone (714)…

After-Hours Phone Numbers Public roads, flood control channels and public right-of-way areas: (714) 955-0200 Water pollution incidents:  1 (877) 89-SPILL (77455) County of Orange Facility…

OC Infrastructure Programs is located on the third floor of County Administration South.phone  (714) 647-3999Capital ProgrammingEngineering DesignFlood ProgramsTraffic and Development…

OC Civic Center Map and Parking Info →

Red Rock WildernessHike atop 20 to 40-million-year-old red rocks and enjoy breathtaking views of the Santa Ana Mountains and beyond at Red Rock Wilderness. Located within OC Parks’ Irvine Ranch Open…

Events and Programs  Please visit our branch calendar to learn about upcoming events and programs at the library.   Resources and Services AWE Station: A…

 OCPW General OfficePermit Counter at County Service Centerphone (714) 667-8800Monday - Friday | 8 a.m. to 5 p.m.   phone (714) 667-8888Monday - Friday | 8 a.m. to 4 p.m.After-Hours…

OC Survey Public CounterCounty Service Center (CSC), 1st FloorCorner RecordsGeodeticParcel, Record of Survey and Tract MapsRight-of-Way Engineering After-Hours Phone NumbersPublic roads, flood…