Reitman v. Mulkey, 387 U.S. 369 (1967), was a United States Supreme Court decision that set an important legal precedent that held that a state could not authorize invidious discrimination by private landlords without entangling itself in the ensuing discriminatory private decisions.

[2] The act banned racial discrimination among mortgage holders, real estate brokers, property owners and landlords who refuse to rent or sell to tenants or potential buyers on the basis of color.

A legal challenge was then brought to Proposition 14 in the California Supreme Court by the National Association for the Advancement of Colored People.

The Supreme Court focused on examining the constitutionality of § 26 in terms of its "immediate objective" its "ultimate effect" and its "historical context and the conditions existing prior to its enactment."

1 where the court held that a statewide initiative that was designed primarily to put an end to a newly formed busing program in Seattle was unconstitutional.