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Contact Us


Below are phone numbers to reach OC Public Works teams for after-hours assistance:

  Public roads, flood control channels and public right-of-way areas:
 phone icon (714) 955-0200

  Water pollution incidents:
  phone icon1 (877) 89-SPILL (77455)
  County of Orange facility maintenance 
 phone icon (714) 667-4900

  For emergencies, please call 9-1-1

OC Public Works Headquarters

County Service Center (CSC)

601 North Ross Street, Santa Ana, CA 92701. Click map icon  here for directions.  

Hours of Operations: Monday - Friday | 8:00 a.m. - 5:00 p.m.

Mailing Address: P.O. Box 4048, Santa Ana, CA 92702-4048
phone icon (714) 667-8800

To submit an online service request, please visit our new Online Service Request Center MyOCeServices

If you need to report a flood emergency, please call 9-1-1 immediately.