Location and transportation (LT) is a new category in the United States Green Building Council's leadership in energy and environmental design (LEED) rating system. The location and transportation category emphasizes walkability and includes strategies to reduce resources related to transporting people. LEED recognizes LT as a critical opportunity to reduce impacts on costs, pollution, depletion of resources, and to influence people within the built environment based on a building's close proximity to amenities and alternative transportation options. In addition, the LT strategies aim to increase the health and welfare of building occupants by promoting walkability. The research that follows focuses on how a building's location in terms of surrounding density and diverse uses relates to the health aspects of increased walkability rather than automobile use. Decreased dependencies on automobiles have been thought to correlate to a decrease in the body mass index (BMI) of individuals. More specifically, this research utilizes a cross-sectional survey to collect data on BMI and automobile use from residents of an urban infill housing project in downtown Los Angeles, California. The data was collected during the winter of 2015, with BMI being the dependent variable and automobile use as an independent variable.