Which act prohibits discriminatory access to multiple listing services?

The Fair Housing Act is the correct answer because it specifically addresses discrimination in housing practices, including access to multiple listing services (MLS). This federal legislation, enacted in 1968 and amended several times, makes it illegal to discriminate in housing based on race, color, national origin, religion, sex, familial status, and disability. By including multiple listing services under its provisions, the Fair Housing Act ensures that all individuals have equal access to housing opportunities, thereby preventing discriminatory practices in real estate transactions.

The other acts mentioned do not specifically target the real estate industry in the same way. The Civil Rights Act broadly addresses civil rights and has provisions that influence housing, but it is the Fair Housing Act that explicitly focuses on discrimination in housing. The Equal Opportunity Act generally deals with equal treatment in various aspects but does not have the same housing-specific focus as the Fair Housing Act. The Housing and Urban Development Act relates to funding and support for housing programs but does not address access to MLS directly. Therefore, the Fair Housing Act stands out as the legislation specifically aimed at preventing discrimination in MLS access.