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Pennsylvania Roofing Legislation, Codes, and Guidelines

Pennsylvania State Building Codes for Roofing

Construction in Pennsylvania is regulated by the Pennsylvania Construction Code Act (Act 45 of 1999), which established the Uniform Construction Code (UCC). The UCC adopts, in whole or in part, the International Code Council (ICC) I-Codes to serve as the statewide building standard. Effective January 1, 2026, Pennsylvania transitioned to the 2021 International Codes (including the International Building Code and International Residential Code) as the base for the UCC, subject to specific amendments adopted by the state's Review and Advisory Council (RAC).

Primary State Agencies and Oversight

The Pennsylvania Department of Labor and Industry (L&I) is the primary state agency responsible for promulgating regulations to implement the UCC and overseeing its enforcement. While the state sets these standards, enforcement is largely decentralized. Over 90% of Pennsylvania municipalities have elected to administer and enforce the UCC locally, either through their own municipal employees or by retaining certified third-party inspection agencies. In municipalities that have chosen not to enforce the code ("opt-out" municipalities), the Department of Labor and Industry retains jurisdiction for commercial code enforcement, while residential requirements are enforced by certified third-party agencies hired by property owners or contractors.

Resources to Learn More

Select a County Below to Learn More About That Jurisdiction in Pennsylvania

Permit rules operate within the above structure but can be nuanced at the county or municipal level. Select your local area below for specific ordinances, local codes, and direct links for your locality Building Department.