Assessment Appeals Board

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Tax Agent and
Online Filing User Registration

* Items marked with a red (*) are required

Note: The contact and email information entered on this form will be used to create your Tax Agent online account profile. The information will also appear on any Application for Changed Assessment filed online through your Tax Agent online account.

User Type Information:
* User Type:  
* Select your Agency or Firm Name:
(if applicable)

Click here for instructions to add an Agency or Firm.
Contact Information:
* First Name:   MI:   * Last Name:  
* Address 1:   * Daytime Phone:   Ext:  
Suite/Unit/FL:   Alternate Phone:   Ext:  
* City:   Fax Number:  
* Zip Code:  


Login Information:
* Login E-mail Address:  
* Confirm Login E-mail Address:    
* Password Reminder Question:
* Password Reminder Answer:  

Please verify that the information you entered is correct below:

Agency or Firm: 
Tax Agent Name: 
Mailing Address: 
Day Time Phone: 
Alternate Phone: 
Fax Number: 
E-Mail Address: 
Duties and Prohibitions
  • Every tax agent shall have an affirmative duty to comply with all applicable state and local laws, regulations and rules pertaining to property taxes including the California Revenue and Taxation Code, State Board of Equalization Property Tax Rules, and Rules of the Assessment Appeals Board.
  • The existence of a dispute over fees with a taxpayer does not relieve the agent of his or her responsibilities.
  • No tax agent shall engage in any of the following activities:
    • Use, or participate in the use of, any public communication or private solicitation containing false, misleading, fraudulent or deceptive representations, or intimate that the tax agent is able to improperly obtain special consideration or action from the County or any County official.
    • Act as, attempt to act as, or claim to be, the tax agent of a taxpayer, or represent a taxpayer before the County or any County official, without the authorization of that taxpayer as evidenced by a valid authorization of representation form executed by the taxpayer.
    • Willfully assist, counsel, or encourage a taxpayer to violate any federal, state, or local tax law, or knowingly counsel or suggest to a taxpayer an illegal plan to evade federal, state, or local taxes or the payment thereof.
    • Violate Sections 17533.6 or 17537.9 of the Business and Professions Code.
    • Knowingly aid and abet another person to practice as a tax agent before the County or a County official during a period of suspension, deregistration, or ineligibility of such other person to lawfully act as a tax agent.
    • Knowingly engage in any false or misleading conduct, practice or deception, or knowingly provide or rely upon false, inaccurate, deceitful or misleading information, or knowingly fail to prepare, execute, or submit required documentation or information which lawfully must be revealed with respect to any matter, decision, administrative action or proceeding before the County or any County official.
    • Directly or indirectly attempt to influence, or offer or agree to attempt to influence, the official action of any County official by the use of threats, false accusations, duress, or coercion, by the offer of any special inducement or promise of an advantage or by the bestowing of any gift, campaign contribution, favor, or thing of value.
    • Do anything with the purpose of placing any County official under personal obligation to the tax agent or another.
    • Represent, either directly or indirectly, that the tax agent can control the official action of any County official.
    • No person who is registered under this chapter as a tax agent, or who is required to be registered under this chapter, or who has been so registered at any time in the previous 12 months shall make any contribution to the Assessor or candidate for Assessor.
    • No tax agent shall make to a County official a gift or gifts of any monetary value. No tax agent shall act as an agent or intermediary in the making of any such gift or arrange for the making of any such gift by any other person.
       * Required

Member Account, Password, and Security
To file an Application Assessment online, Tax Agents must complete the Tax Agent registration process to create an online filing user account. You are entirely responsible for any and all activities that occur under your account. You agree to notify the Los Angeles County Clerk of the Assessment Appeals Board immediately of any unauthorized use of your account or any other breach of security. The Los Angeles County Clerk of the Assessment Appeals Board will not be liable for any loss that you may incur as a result of someone else using your password or account, either with or without your knowledge. However, you could be held liable for losses incurred by Los Angeles County Clerk of the Assessment Appeals Board or another party due to someone else using your account or password. You may not use anyone else’s account at any time, without the permission of the account holder.
* Required

Registration Almost Complete

Your registration is almost complete. To complete registration, click on the button below to submit your Tax Agent Registration fee. Your registration will not be complete without payment. After your payment is complete, you will receive an email with your Tax Agent Registration number, username and password to file assessment appeals online, manage your online profile and submit your semi-annual campaign contribution reports.

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