Prohibits a real estate broker, broker-salesperson, or salesperson from basing their appraisal of the market value of a property on the basis of race, color, religion, gender, gender expression, age, national origin, disability, marital status, sexual orientation, familial status, employment status, or military status of either the present or prospective owners or occupants of the subject property, or of the present owners or occupants of the properties in the vicinity of the subject property, or on any other basis prohibited by the federal Fair Housing Act.