Interactive maps and information about City zoning regulations. Get a project review by the Philadelphia Art Commission Some projects require approval by the Philadelphia Art Commission. City building codes A summary of City building codes, and a link to the complete code. Interactive Map of Philadelphia A link to an interactive map of Philadelphia. Philadelphia City Planning Commission plan reviews The City Planning Commission is part of the permit process for many types of development, and some permits require PCPC review and approval. Find a City-owned building How to find a City-owned property. Find location and zoning information Information about zoning in the City of Philadelphia. Get approval for work to a historic property How to get your building permit application approved by the Philadelphia Historical Commission for work to a historic property. Participate in a Zoning Board of Adjustment (ZBA) hearing How to participate in a Zoning Board of Adjustment hearing. Request a plan consistency letter for a development proposal Get a letter from the Philadelphia City Planning Commission to assist you in your application for project funding. 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).