The overriding purpose of this paper is to determine the relative importance of the application of LEED (Leadership in Energy and Environmental Design) rating system as a curriculum organizer Tools for getting a sustainable and eco-friendly building and community as well in Egypt. Throughout the application and assessment process on the proposed case study El-Dakahlia Governmental Headquarter building (Existing Building - Major Renovation) as a case study to achieve sustainability requirements which results in renovate and promote the existing building according to LEED Rating System Requirements towards a sustainable and ecofriendly buildings and urban communities consequently