If you believe your rights may have been violated, we encourage you to report housing discrimination. You can call toll-free 1 (800) 669-9777.If your complaint involves a possible violation of the Fair Housing Act, the specialist will assist you in filing an official housing discrimination complaint. Box 1: Enter the requested information for the person that is filing the complaint (i.e. Submitting a Complaint. You have one year from the date of the alleged discrimination to file a complaint. Your form should be signed and dated. You can file a complaint right online! Or you can call the Housing Discrimination Hotline: (800) 669-9777. File a complaint directly with HUD.