Grandparent Visitation Rights in Iowa January 6th, 2010 In the State of Iowa grandparents have minimal visitation rights over their grandchildren. A recent article in the Des Moines Register chronicled a struggle involving this exact issue. In the past, grandparents had visitation rights under Iowa Code section 598.35(1) if: "(1) the parents are divorced, (2) "visitation is in the best interests ...