Treasurer and Tax Collector

Los Angeles County
Treasurer and Tax Collector
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Office Locations

  • Applications may be filed in person at any of the three Business License Offices of the Treasurer and Tax Collector. For your convenience, the locations and hours of operation of each Business License Office are listed below:

    Main Office

    225 N. Hill St. Room 109
    Los Angeles, California 90012
    Telephone: (213) 974-2011
    Hours: 8:00 a.m. - 5:00 p.m.
    Days: Monday through Friday
    Lancaster Office

    335A East Avenue K-6
    Lancaster, California 93535
    Telephone: (661) 723-4492
    Hours: 8:00 a.m. - 4:30 p.m.
    Days: Tuesday, Thursday and Friday only
    Valencia Office

    23757 Valencia Blvd.
    Valencia, California 91355
    Telephone: (661) 253-7342
    Hours: 8:00 a.m. to 4:30 p.m.
    Days: Monday and Wednesday only

  • There is a non-refundable fee that is due at the time you file your application.
  • Depending on the nature of the business activity to be conducted, you may be required to submit photographs, fingerprints, documents, proof of insurance and/or special forms in addition to a Business License application.
  • For more information concerning the application requirements, please contact any Business License office during its regular business hours.
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