City, Village & Township Government in Chelsea, MI Sylvan Township Hall18027 W Old US Highway 12Chelsea, MI, 481187344758890City HallCity Village Township GovernmentGovernment OfficesHanover Village OfficeTown Hall Electric Department Garage660 E Industrial DrChelsea, MI, 481187344755981City OfCity Village Township Government Show MoreSee AlsoFire DepartmentsChambers Of CommerceCity Halls