Computer implemented application to provide automated answers to zoning and real estate development questions by approaching the complex subject through the creation of modules representing the rules, property and process and accounting for user perspective. Real estate data, spatial data and municipal development codes, policy and zoning rules are transformed and translated into useable data enabling search, calculations, comparisons and visual display. The disclosed system facilitates zoning and/or land use development code impacts on a site selection search or specified location providing instant information about current and hypothetical building mass and use potential.