I would say this probably violate the Housing Act but check with the Department of Fair Employment and Housing and see what their position is. You might also check the American with Disabilities Act.
Note this answer does not constitute legal advice, and should not be relied on. Each situation is fact specific and court specific, and it is not possible to evaluate a legal problem without a comprehensive consultation and review of all the facts and court pleadings filed in the case. This answer does not create an attorney-client relationship