Need help or have a question? Contact us by: Phone: (515) 725-0338 Email: paab@iowa.gov Office Hours: M-F 8:00 AM to 4:30 PM Mailing Address Iowa Property Assessment Appeal Board P.O. Box 10486 Des Moines, IA 50306 Physical Address Hoover State Office Building 1305 E. Walnut Street Des Moines, IA 50319 Parking Information For more information about PAAB, visit the About Us page.