California Tax Service Center

Contact Us

Federal Income and Payroll Tax (Internal Revenue Service)

  • Website
  • Addresses and contact information
  • Customer service telephone numbers:
    Tax Forms (800) 829-3676
    Refund/Tax information (800) 829-4477
    General information (800) 829-1040
    Employer Identification Number (EIN) (866) 816-2065
    Faxback (703) 368-9694

State Income Tax (Franchise Tax Board)

  • Website
  • Email
  • Mailing addresses: To find out where to send an income tax return, see Return Mailing Addresses.
  • General correspondence:

    Franchise Tax Board
    P.O. Box 942840
    Sacramento CA 94240-0040

    Customer service telephone numbers:
    Tax information/Refund/Forms (800) 338-0505
    Other assistance (800) 852-5711
    Out of U.S. (not toll free) (916) 845-6500
  • Small Business Liaison:
    Telephone (not toll free) (916) 845-4669
  • Local offices

State Payroll Tax (Employment Development Department)

  • Website
  • Email
  • Subscription service
  • Mailing address:

    Employment Development Department
    PO Box 826880
    Sacramento CA 94280-0001

  • Customer service telephone numbers:
    Toll free number (888) 745-3886
    TDD service (800) 547-9565
  • Local offices

Sales & Use Tax, and Other Taxes & Fees (Board Of Equalization)

  • Website
  • Email
  • Mailing address:

    State Board of Equalization
    P.O. Box 942879
    Sacramento CA 94279-0001

  • Customer service telephone numbers: Representatives are available to assist you Monday through Friday, except State holidays, from 8:00 a.m. - 5:00 p.m.
    Toll free number (800) 400-7115
    TDD service from TDD phones (800) 735-2929
    TDD service from voice phones (800) 735-2922
    Faxback: Call the Information Center (800) 400-7115
    Seller's permit number verification (888) 225-5263
  • Local offices
  • Sales and use tax permit verification

Joint Agency Offices

  • You can visit our joint State Taxpayer Service Centers, now available throughout California. These service centers represent more than one tax agency at each location. And if you are a new business owner, you may obtain the California tax information you need to start and operate your business. The walk-in Taxpayer Service Centers are open Monday through Friday from 8 a.m. - 5 p.m.
    City Agencies at This Location Address
    Bakersfield BOE 1800 30th Street
    Bakersfield CA 93301
    El Centro BOE 1550 West Main Street
    El Centro CA 92243-2105
    Oakland FTB, BOE 1515 Clay Street
    Oakland CA 94612-1432
    Sacramento FTB, EDD, BOE 3321 Power Inn Road
    Sacramento CA 95826
    Santa Rosa BOE 50 D Street
    Santa Rosa CA 95404-4791
    Ventura BOE 4820 McGrath Street
    Ventura CA 93003