Contact Us


California Air Resources Board
1001 "I" Street
Sacramento, CA 95814

P.O. Box 2815
Sacramento, CA 95812

MAP

General Inquiries: (800) 242-4450 or email helpline@arb.ca.gov



Media inquiries: Office of Communications: (916) 322-2990


Hotlines:


Trucks and Bus (866) 6DIESEL or (866) 634-3735
Diesel Off-Road On-line Registration System (DOORS) (877) 59DOORS or (877) 593-6677
Drayage (Port Trucks) (888) 247-4821
Portable Equipment Registration N/A
Transport Refrigeration Units (TRUs / Reefers) (888) 878-2826
Air Pollution Complaints - General (800) 952-5588
Air Pollution Complaints - Vehicles
(800) END SMOG or (800) 363-7664
Cap-and-Trade Program (916) 322-2037
Access for Persons with Disabilities (916) 323-7053
Civil Rights Complaints | Civil Rights Complaint Form (916) 323-7053



Other key contact Information:


For assistance with the Air Quality Training Program, please contact:



For technical issues with our website, please contact:


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