Under New York law, a landlord who refuses to rent to a qualified applicant because they use a wheelchair and would need a grab bar installed in the bathroom is likely violating:

Explanation

Under the federal Fair Housing Act and New York Human Rights Law, a landlord cannot refuse to rent to a qualified person with a disability. Additionally, both laws require landlords to allow tenants with disabilities to make reasonable modifications to the unit (at the tenant's expense in most cases) to accommodate their disability — such as installing grab bars in a bathroom.