File a Municipal Market Complaint

MSRB rules govern the professional conduct of brokers, dealers, municipal securities dealers and municipal advisors. These rules are enforced by other regulatory authorities. Complaints about these market professionals may be directed to the regulatory authorities listed below or to the MSRB, which will direct the complaint to the appropriate authority. Call or email the MSRB at 703-797-6668 or To expedite the handling of your complaint, please be as specific as possible as to the nature of your complaint, including detail about the individual and/or firm involved. Please provide your contact information including:

  • Name
  • Home, business, and/or cell phone number
  • Email address
  • Mailing address

Complaints Against Any Regulated Entity or Associated Person

Any individual who has reason to believe that an MSRB rule or other federal securities law has been violated by a securities firm, municipal advisor or associated person may file a complaint using the Securities and Exchange Commission's Investor Complaint Form.

Complaints Against Securities Firms or their Associated Persons

Complaints against securities firms or individuals associated with securities firms may be filed using the Financial Industry Regulatory Authority's (FINRA's) Investor Complaint Center. An investor who has a dispute with such a firm or individual may be able to file a claim for monetary damages with FINRA's arbitration program. For information about filing such a claim, visit FINRA's Arbitration and Mediation webpage.

To research the complaint history and professional background of a securities firm or associated individual, use FINRA's BrokerCheck website.

Complaints Against Bank Dealers 

Complaints Against Municipal Advisors

Complaints against a municipal advisor may be filed with:

U.S. Securities and Exchange Commission
Office of Municipal Securities
100 F Street, NE
Washington, DC 20549

Complaints Against the MSRB

The MSRB seeks to ensure that accounting and audit complaints and other allegations of wrongdoing by a Board member or member of the MSRB staff are addressed promptly. A toll-free hotline (888-475-8376) managed by an independent service provider allows members of the public to report, on a confidential and anonymous basis, concerns about MSRB accounting or auditing matters or other potential wrongdoing. Members of the public may also contact the Corporate Secretary at or at the following address:

Municipal Securities Rulemaking Board
1900 Duke Street, Suite 600
Alexandria, VA 22314
Attention: Corporate Secretary
Fax: 703-797-6700