Mich. Comp. Laws § § 37.2502

Sec. 502.

(1) A person engaging in a real estate transaction, or a real estate broker or salesperson, shall not on the basis of religion, race, color, national origin, age, sex, sexual orientation, gender identity or expression, familial status, or marital status of an individual or anyone residing with that individual do any of the following:

(a) Refuse to engage in a real estate transaction with a person.

(b) Discriminate against a person in the terms, conditions, or privileges of a real estate transaction or in the furnishing of facilities or services in connection with a real estate transaction.

(c) Refuse to receive from a person or transmit to a person a bona fide offer to engage in a real estate transaction.

(d) Refuse to negotiate for a real estate transaction with a person.

(e) Represent to a person that real property is not available for inspection, sale, rental, or lease when in fact it is so available, or knowingly fail to bring a property listing to a person's attention, or refuse to permit a person to inspect real property, or otherwise make unavailable or deny real property to a person.

(f) Make, print, circulate, post, mail, or otherwise cause to be made or published a statement, advertisement, notice, or sign, or use a form of application for a real estate transaction, or make a record of inquiry in connection with a prospective real estate transaction, that indicates, directly or indirectly, an intent to make a preference, limitation, specification, or discrimination with respect to the real estate transaction.

(g) Offer, solicit, accept, use, or retain a listing of real property with the understanding that a person may be discriminated against in a real estate transaction or in the furnishing of facilities or services in connection with that transaction.

(h) Discriminate against a person in the brokering or appraising of real property.

(2) A person shall not deny a person access to, or membership or participation in, a multiple listing service, real estate brokers' organization or other service, organization, or facility relating to the business of selling or renting real property or discriminate against the person in the terms or conditions of that access, membership, or participation because of religion, race, color, national origin, age, sex, sexual orientation, gender identity or expression, familial status, or marital status.

(3) A person that is a landlord of a rental unit shall not, based on the source of income of an otherwise eligible prospective or current tenant, do any of the following:

(a) Deny or terminate a tenancy to the prospective or current tenant.

(b) Make any distinction, discrimination, or restriction against the prospective or current tenant in the price, terms, conditions, fees, or privileges relating to the rental, lease, or occupancy of a rental unit or in the furnishing of any facilities or services in connection with the rental, lease, or occupancy of the rental unit.

(c) Otherwise make unavailable or deny any rental unit to the prospective or current tenant if the prospective or current tenant would be eligible to rent the rental unit but for the individual's source of income.

(d) Represent to the prospective tenant that a rental unit is not available for inspection, rental, or lease when in fact it is so available, or knowingly fail to bring a rental listing to the prospective tenant's attention, or refuse to permit the prospective tenant to inspect a rental unit.

(e) Make any distinction, discrimination, or restriction against the prospective or current tenant in the price, terms, conditions, fees, or privileges relating to the rental, lease, or occupancy of any rental unit on the basis of the prospective or current tenant's use of emergency rental assistance.

(f) If the person is a landlord that requires a prospective or current tenant to have a certain threshold level of income, exclude any source of income in the form of a rent voucher or subsidy when calculating whether the income criteria have been met. This subdivision does not apply to emergency rental assistance.

(g) Attempt to discourage the rental or lease of any rental unit to the prospective or current tenant.

(h) Publish, circulate, display, or cause to be published, circulated, or displayed any communication, notice, advertisement, or sign of any kind relating to the rental or lease of any rental unit that indicates a preference, limitation, or requirement based on any source of income.

(i) Assist, induce, incite, or coerce another person to commit an act or engage in a practice that violates this subsection.

(j) Coerce, intimidate, threaten, or interfere with any person in the exercise or enjoyment of, or on account of the person having exercised or enjoyed or having aided or encouraged any other person in the exercise or enjoyment of, any right granted or protected under this subsection.

(4) Subsection (3) does not apply to a person if the person, including all related entities to that person, is a landlord of fewer than 5 rental units in this state. As used in this subsection:

(a) "Person" means an individual, partnership, corporation, association, limited liability company, or any other legal entity.

(b) "Related entity" means a person that, directly or indirectly, controls, is controlled by, or is under common control with another person.

(5) This section is subject to section 503.

(6) As used in this section, "landlord", "tenant", and "rental unit" mean those terms as defined in section 1 of 1972 PA 348, MCL 554.601.