We evaluated two methods for identifying marginal lands. The first is based on USDA’s Natural Resources Conservation Service (NRCS) soil classifications derived from previous literature approaches [6,25]. When compared with the locations of a nonprofit that is actually cultivating marginal lands, the NRCS marginal soil classification method captures less than 35% of the marginal lands that are being cultivated in Pittsburgh. We updated the marginal NRCS soil classification method and created a framework to include urban commercial lands with the aim of capturing more sites that the nonprofit GTECH is cultivating.