Codes and Guidelines Home » Departments » Planning » Development Review » Codes and Guidelines Page ContentUnified Development CodeAll development standards and regulations are provided in Chapter 55, Unified Development Code, of the City Code. Related Regulations and GuidelinesNEW! Developer's Guide to Electric Vehicle Charging Stations (PDF)Some regulations and policies are not part of the Ann Arbor City Code, but are still applicable to many developments. Planning for Sustainability WebpageInvasive Species List (PDF)Tree Guidelines and Resources Developer Offset Mitigation ProgramPublic Services Standards/Engineering RequirementsRules of the Washtenaw County Water Resources Commissioner: Procedures and Design Criteria for Storm Water Management Systems (Note, this link will take you out of the City of Ann Arbor web site and into the Washtenaw County web site. It is provided for your convenience only.)Bicycle Parking Guide for Businesses (PDF)Policy for Contributions in Lieu of Required Parking in Downtown Districts (PDF)