Parking Citations

Citation Processing

The City contracts with Citation Processing Center for parking administration services. Payments, inquiries, lost tickets, information, or to request dismissal can be made online.

Citation Reviews

Citation Reviews may be completed by using a Citation Dismissal Form (PDF) and mailing it to:

City of Diamond Bar
Citation Processing Center
P.O. Box 10479
Newport Beach, CA 92658-0479

Any additional questions regarding parking citation processing can be answered by calling 800-989-2058 or by visiting 

Lack of Signage

Please note, lack of adequate signage does not constitute grounds for dismissal of parking citations. Vehicle Code 22507.6

Additional Information

For any additional questions regarding street sweeping contact the Public Works Department at 909-839-7040.