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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