Resources
- City of Philadelphia
- Office of Property Assessment (OPA)
- Pennsylvania Municipalities Planning Code
- Philadelphia City Code and Charter
- Philadelphia City Planning Commission
- Philadelphia Department of Licenses & Inspections
- Philadelphia Department of Records
- Philadelphia Zoning Code Commission
- Philly History The City's photo archive contains over 2 million photo records that date from the late 1800's. This web site contains a growing collection of those photos. All archive photos may be searched by keyword and date. Archive photos which have been assigned a geographic location are also searchable by proximity to an Address, Intersection, Place Name, or Neighborhood.
- the Pennsylvania Code
- TIRBOP Website