OC Infrastructure Programs is located on the third floor of County Administration South.

phone  (714) 647-3999 or (714) 245-4589

  • Programming
  • Engineering Design
  • Flood Programs
  • Project Management
  • Traffic and Development Support

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 Maintenance:  (714) 667-4900
For emergencies, please call 9-1-1

picture_as_pdf OC Civic Center Map and Parking Info

Mailing Address
P.O. Box 4048
Santa Ana, CA 92702-4048

To submit an online service request, please visit myOCeServices.ocgov.com.