Contact Us

H. G. Osborne Building

OC Public Works Headquarters

OC Flood
300 North Flower St
7th Floor
Santa Ana, CA 92703-5000

714.647.3999
714.834.4572 fax

Hours of Operation

Monday - Friday
8 am - 5 pm

Mailing Address

OC Public Works - OC Flood
P.O. Box 4048
Santa Ana, CA 92702-4048

Email

OC Operations & Maintenance

Monday - Friday
6 am - 4 pm
714.955.0200

For routine maintenance please see FAQs for types of maintenance provided.

To request currently advertised Construction Plans & Special Provisions, please contact the Public Work's Cashier for a Construction Plan Holders List:

Public Works Cashier
Monday - Friday
8 am - 4 pm
714.834.4585

Flood Preparedness brochures and maps of potential flooding areas for each city in Orange County can be obtained by contacting your City.

OC Unincorporated Areas

Floodplain Contact Information

Flood Preparedness brochures and maps of potential flooding areas in the "unincorporated" Orange County can be obtained by contacting:

OC Public Works - Flood Awareness Program Development
P.O. Box 4048
Santa Ana, CA 92702-4048