If you believe your rights may have been violated, we encourage you to report housing discrimination. You can file a complaint right online!Or you can call the Housing Discrimination Hotline: (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. Housing Choice Voucher Allegations. How to File a Housing Discrimination Complaint. If you are filing with HUD, you must complete an online form or call the HUD Office of Fair Housing and Equal Opportunity to request a complaint form. This case originated when a former resident of the Fitchburg Housing Authority filed a discrimination complaint with HUD. The Housing Discrimination Complaint Form is available for you to download, complete and return, or complete online and submit, or you may write HUD a letter. Describe Your Complaint.