Contact Us
Have questions or need assistance? We are here to help. Choose the best way to reach us below.
Program Contact
Small Business Enterprise Supportive Services
Phone: (916) 324-1700
Email: SBEss@dot.ca.gov
Hours: Monday - Friday, 8:00 AM - 5:00 PM PST
For general inquiries about the program, certification, or technical assistance.
Technical Support
Platform Technical Support
Email: SBEss@dot.ca.gov
Response Time: Within 1 business day
For issues with logging in, uploading documents, or other technical problems.
Report a Site IssueMailing Address
California Department of Transportation
Office of Business and Economic Opportunity
1120 N Street, MS-79
Sacramento, CA 95814
For physical mail and document submissions.