Town Hall Address 1400 W Pratt Rd DeWitt, MI 48820 United States- Clinton County Website http://www.olivetwp.org/ Zoning 517-275-0006 1400 W Pratt Rd DeWitt, MI 48820 United States Town Clerk 517-275-0006 1400 W Pratt Rd DeWitt, MI 48820 United States Water 517-275-0006 1400 W Pratt Rd DeWitt, MI 48820 United States Sewer 517-275-0006 1400 W Pratt Rd DeWitt, MI 48820 United States Tax Collector 517-275-0006 1400 W Pratt Rd DeWitt, MI 48820 United States Code Enforcement 989-224-5180 100 E State St, Ste 1300 St. Johns, MI 48879 United States Town Hall Hours Call for hours County Clinton