Should you build wide roads that promote safety or narrow ones that minimize slope disturbance? Should you preserve native plant life for aesthetic purposes or irrigate the landscape to help prevent fires? This report will help planners advise community leaders on these and other issues involved in planning for hillside development. Drawing on documents gathered from almost 200 local governments in 22 states, it addresses the most common challenges encountered by planners who have drafted hillside plans and ordinances. Planning for Hillside Development includes excerpts of guidelines and ordinances currently in place in 13 communities.