Sections 216.8 and 216.8A do not prohibit a person engaged in the business of furnishing appraisals of real estate from taking into consideration factors other than race, color, creed, sex, sexual orientation, gender identity, religion, national origin, disability, or familial status in appraising real estate.
Iowa Code § 216.12A
91 Acts, ch 184, §8 92 Acts, ch 1129, §10 2007 Acts, ch 191, § 15