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City of Philadelphia


Building in Philadelphia

Building permits are required before beginning projects to enlarge, repair, change, add to or demolish a structure, and to install equipment or systems in a structure. This includes:

  • New construction.
  • Alterations and additions to existing structures.
  • Changes in the occupancy classification.
  • Installation or modification of fire suppression or mechanical systems.
Please review our "Top Ten Building Permit Application Deficiencies" list before submitting your building permit application. 

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Licensed Contractors

A Contractor's License is required of any contractor who performs work in which the contractor is paid $500 or more. Applicants must annually reapply for a license and submit a bond. Your license cannot be issued without the required bond in the amount of $1,000.
Prior Approvals:

  • Commercial Activity License 
  • Business Tax Identification Number
  • Worker's Compensation and Employer's Liability
  • Comprehensive General Liability
  • Motor Vehicle Liability
  • Performance Bond for a Curb Setter

Search for a Licensed Contractor


Visit our zoning page.

Property History

To search eCLIPSE for Business Licenses see link above.

For other L&I property history, search HERE.