West Hollywood adopted one of the nation’s first mandatory green building ordinances, and it became effective in 2007. The ordinance ensures that new buildings will be healthier for residents, and use energy and resources more efficiently. Flexibility, responsiveness to local conditions, and cost-effectiveness are key features of the ordinance. The City has created a green building manual to guide users through the process. The green building requirements and incentives and private development ordinance focus on establishing new development sta..