Regulatory framework
The code baseline for York County.
For 2026 work, Pennsylvania Uniform Construction Code (UCC), 34 Pa. Code Chapters 401-405, with applicable 2021 International Code provisions and Pennsylvania amendments administered by the local municipality or certified UCC agency. The City of York separately states its new permit applications must comply with the 2021 UCC effective January 1, 2026, but municipal adoption and administration details must be confirmed locally.