Interactive maps and information about City zoning regulations. Interactive Map of Philadelphia A link to an interactive map of Philadelphia. City building codes A summary of City building codes, and a link to the complete code. Find location and zoning information Information about zoning in the City of Philadelphia. Find a City-owned building How to find a City-owned property. Appeal a zoning decision to the Zoning Board of Adjustment (ZBA) If L&I refuses your Zoning/Use Registration application, you may appeal to the Zoning Board of Adjustment (ZBA). Participate in a Zoning Board of Adjustment (ZBA) hearing How to participate in a Zoning Board of Adjustment hearing. Zoning permits How to get zoning permits in Philadelphia. Get a plan review Learn how to get plan reviews from the divisions of the Department of Planning and Development.