Historic District Maps Home » Departments » Planning » Historic Preservation » Historic District Maps Page ContentOverall Historic Districts Map Individual District MapsFor individual Historic District Maps select from the list below (pdf). Ann Street BroadwayCobblestone FarmDivision StreetEast LibertyEast William StreetFourth/AnnLiberty StreetMain StreetNorthern BreweryOld Fourth WardOld West SideRobert & Erma Hayden HouseState StreetWashtenaw/Hill Please Note: Prior to April of 2007, each individual district had a separate set of rules for changes to the exterior of homes within that district. This is no longer the case, and a new city code has replaced all prior rules. These rules now apply to all districts and all must adhere to Chapter 103 of the City Code.