Map for BOLTZ, GREGORY A, ASSESSOR Map for BOLTZ, GREGORY A, ASSESSOR Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> Government Offices BOLTZ, GREGORY A, ASSESSOR Downers Grove TownshipDowners Grove, IL 60515 | directions (630) 719-6630 Visit Site If your business isn't here, contact us today to get listed!