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The County Service Center (CSC) is located on the first floor of the County Administration South (CAS) building.

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

OC Civic Center Map and Parking Info →
Note: A portion of the sidewalk on the east side of Ross Street is closed due to construction. Please see link above for alternate walking routes.

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

To submit an online service request, please visit

Location Amenities
Conference Center
Food Concessions