Contractor requirements
Information about when you need plans, when you should hire a contractor, and what contractors need to do business in the city. Learn more
Construction site requirements
Builders and developers working in Philadelphia must ensure that jobsites meet certain operational requirements. Learn more
Construction inspections
Protecting public safety by inspecting construction projects. Learn more
Code enforcement
The Department of Licenses and Inspections' Code Enforcement unit regulates safety standards and enforces the Philadelphia Code. Learn more
Violation and order types
This page describes the different types of violations issued by L&I. Learn more
Maintenance certifications
Maintenance certifications ensure that structures and their systems are safe. Learn more