Iowa Code § 169.21

Any action for professional negligence against an individual licensed under this chapter resulting in damage to property shall not be brought more than two years after the date on which the claimant knew, or through the use of reasonable diligence should have known, or received notice in writing of the existence of, the injury for which damages were sought in the action, whichever of the dates occurs first. For purposes of this section, “property” includes an animal.