Which of the following actions is considered discriminatory under fair housing laws?

The action considered discriminatory under fair housing laws is providing services based on the homeowner's race. Fair housing laws, particularly the Fair Housing Act in the United States, prohibit discrimination in housing-related activities based on race, color, national origin, religion, sex, familial status, and disability. Offering different services or treatment to individuals based on their race undermines these laws and promotes inequality. Such practices are seen as a clear violation because they create barriers to equal opportunity in housing.

In contrast, offering a wider selection of homes, conducting market analysis, and enforcing property maintenance guidelines do not inherently involve discriminatory practices. These actions, when implemented uniformly across all individuals regardless of race, serve to enhance access to housing and ensure consistent standards of living. Thus, they fall within legal and ethical boundaries as long as they promote equality and do not favor or discriminate against any particular racial group.