Contact Us

This page last reviewed November 18, 2014


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

P.O. Box 2815
Sacramento, CA 95812


Street Map to California Air Resources Board, Sacramento HQ

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

Public Information Office (media inquiries): (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 (916) 324-5869
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) 322-7072



Other key contact Information:


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