This research is part of an ongoing Master dissertation that aims to propose a set of guidelines to evaluate the sustainability and inform the design of social housing projects in Brazil. This paper presents the development of a questionnaire, based on the analyses and categorization of existing guidelines proposed by Brazilian researches and some of LEED's criteria, and the results achieved with its application in the Barreiros' Residential Development community (Vitória, ES, Brazil). As part of the results, it is presented an evaluation of Residential Barreiros, with a description of the sustainable design solutions in place and also the interviewees' verbalizations and perceptions regarding the development. In addition, it is presented a list of recommendations to contribute to Barreiros' sustainability.