Buffalo, N.Y., Code of Ordinances ch. 154, art. IV § 154-17

It shall be unlawful for any person or entity engaged in the sale or rental of housing to do the following: A. Refuse to sell, rent, lease, make unavailable for inspection, sale or rental, or otherwise to deny or withhold from any person or persons housing because of race, creed, color, national origin, sex, disability or reliance upon a therapy dog or cat, familial status, marital status, age, sexual orientation, gender identity and expression, military status or source of income. B. Discriminate against any person in the terms, conditions or privileges of sale, rental or lease of any housing or in the furnishing of facilities or services in connection therewith because of race, creed, color, national origin, sex, disability or reliance upon a therapy dog or cat, familial status, marital status, age, sexual orientation, gender identity and expression, military status or source of income. C. To print or circulate or cause to be printed or circulated any statement, advertisement or publication, or to use any form of promotion for the purchase, rental or lease of housing or to make any record or inquiry in connection with the prospective purchase, rental or lease of housing which indicates any preference, limitation, or specification or discrimination as to race, creed, color, national origin, sex, disability or reliance upon a therapy dog or cat, familial status, marital status, age, sexual orientation, gender identity and expression, military status or source of income, or an intention to make any such preference; and/or which fails to include an equal housing opportunity logotype, statement, or slogan as a means of educating the home-seeking public that the property is available to all persons regardless of race, color, religion, sex, handicap, familial status, or national origin. For all print or space advertisements, the Equal Housing Opportunity logo shall be of a size delineated by Table 1 attached as Appendix A of this subsection. For all other advertisements, the Equal Housing Opportunity logo shall be of a size at least equal to the largest of the other logotypes and should be bold and clearly visible. An example of equal housing opportunity logotype, statement, and slogan is attached as part of Appendix A of this subsection. D. To induce or attempt to induce any person to sell or rent any housing by representations regarding the entry or prospective entry into the neighborhood of persons of a particular race, creed, color, national origin, sex, disability or reliance upon a therapy dog or cat, familial status, marital status, age, sexual orientation, gender identity and expression, military status or source of income. E. Refusal to permit, at the expense of a person with disabilities, reasonable modifications of existing premises, if such modifications may be necessary to afford such person full enjoyment of the housing, and a refusal to make reasonable accommodations in rules, policies, practices or services which may be necessary to afford a person with disabilities equal opportunity to use and enjoy the housing. F. To deny access or otherwise to discriminate against a blind person, a hearing impaired person or a person with another disability because he or she is accompanied by a dog that has been trained to work or perform specific tasks for the benefit of such person by a professional guide dog, hearing dog or service dog training center or professional guide dog, hearing dog or service dog trainer, or to discriminate against such professional guide dog, hearing dog or service dog trainer engaged in such training of a dog for use by a person with a disability, whether or not accompanied by the person for whom the dog is being trained. This section shall apply regardless of breed, or any other type of therapy dog or cat. G. To incite, compel or coerce the doing of any acts forbidden by this article, or to retaliate or discriminate against any person or entity because that person or entity has filed a complaint or testified or assisted in any proceeding commenced under this article. H. For any bank, savings or loan association, insurance company or other entity whose business consists in whole or part of the making of loans and arranging of financing for housing or secured by real property or the issuance of property insurance to discriminate in the issuance or terms and conditions of a loan or insurance policy because of race, creed, color, national origin, sex, disability or reliance upon a therapy dog or cat, familial status, marital status, age, sexual orientation, gender identity and expression, military status or lawful source of income.