If you believe your rights may have been violated, we encourage you to report housing discrimination. If your complaint involves a possible violation of the Fair Housing Act, the specialist will assist you in filing an official housing discrimination complaint.You can file a complaint right online! Or you can call the Housing Discrimination Hotline: (800) 669-9777. There is no cost to file a complaint. Contact the Civil Rights Division at one of these locations: Phoenix. Information for residents on how to file a discrimination complaint. To learn how to report housing discrimination with HUD, please visit the Report Housing Discrimination page. To start your complaint process with the Division, you can fill out an online intake questionnaire or call:. Housing Choice Voucher Allegations.