Contact Us

Address and Telephone/Fax Number:

H. G. Osborne Building - Orange County Public Works Headquarters
Flood Control Division, 7th Floor
300 North Flower Street
Santa Ana, CA 92703-5000
Phone: (714) 834-5618
FAX: (714) 834-4572

Mailing Address:

Orange County Public Works
OC Flood Control Division
P.O. Box 4048
Santa Ana, CA 92702-4048

E-mail Addresses:

General questions - ocflood@rdmd.ocgov.com
Architect & Engineer Questionnaire submissions - aequestionnaire@rdmd.ocgov.com
Technical problems or comments about the web site - webmaster@rdmd.ocgov.com

Comments and Complaints

For routine maintenance (please see FAQ for types of maintenance provided):

OC Operations and Maintenance Division
Phone: (714) 955-0200
Monday - Friday, 6 am - 4:30 pm

To request currently advertised Construction Plans & Special Provisions, please contact the Public Work's Cashier:

Construction Plan Holders List
Public Works Cashier
Phone: (714) 834-3568
Monday - Friday, 8:00 am - 4 pm

If there are any questions regarding the details of a document, or to obtain a hard copy or other alternative formats of the original document, or to have a document read to you, please contact the OC Public Works offices, Monday through Friday, 7:00 am to 5:00 pm PST, at 300 N. Flower Street, Santa Ana, CA, 92703, by email at ocflood@rdmd.ocgov.com, or by phone at (714) 834-3568.