Philadelphia Building Permit Guide
Philadelphia building permits apply to new construction, additions, alterations, demolition, occupancy changes, major repairs, and major earth disturbance.
Building Permit
Philadelphia, Pennsylvania
April 26, 2026
Permit takeaway
Philadelphia says a Building Permit is required before starting work that constructs, enlarges, alters, demolishes, changes occupancy, or includes major repairs.
Zoning and placement
In most cases, Philadelphia requires a Zoning Permit before a Building Permit application can be submitted.
Building and trade review
Some smaller maintenance and accessory projects may not need a Building Permit when the property is not historic, but zoning and other rules can still apply.
Call before applying when
Call before applying if the project changes the structure, layout, occupancy, exits, exterior, earth disturbance, or involves excavation.
Documents to prepare
- Building permit application
- Zoning permit if required
- Plans if required
- Project scope
- Owner and contractor information
Inspection planning
- Schedule required inspections before work is covered
- Keep approvals and plans available
- Complete final approval before closing the permit
Official sources
This guide is a planning summary. Always verify the current requirements with the local office before starting work.