Beginning in January 2026, all new permit applications must conform to the 2021 I-Codes. This page includes forms and documents to prepare for the transition.
| Name | Description | Released | Format |
|---|---|---|---|
| 2021 I-Code- Q&A PDF | Questions and answers regarding the 2021 I-Code transition. | January 24, 2025 | |
| 2021 ICC Code Adoption Final Report PDF | This report is issued by the Pennsylvania Department of Labor and Industry Review and Advisory Council for modifications to the 2021 I-Codes, to be adopted throughout PA as part of the Uniform Construction Code. | September 20, 2024 | |
| 2021 IPC Changed Sections PDF | This document lists sections that were changed under the 2021 International Plumbing Code. | September 20, 2024 | |
| 2018 Philadelphia Plumbing Code Changes PDF | This document provides guidance that highlights the impacts of the 2021 changes and proposed local changes to the 2018 Philadelphia Plumbing Code. | September 20, 2024 | |
| Proposed Phila Changes to the 2021 IPC Provisions PDF | This document provides recommendations by the Plumbing Advisory Board (PAB) to better accommodate local conditions. This document excludes those changes already adopted by ordinance. | September 20, 2024 | |
| 2021 I-Code changes webinar slides PDF | These slides provide an overview of the timeline, what to expect in the coming year, and examples of significant changes from the 2021 I-Code adoption. | December 18, 2024 | |
| Part 1: 2021 Building Code, Existing Building Code and Accessibility Provisions Webinar Slides PDF | These slides presented on May 15, 2025, provide an overview of the significant changes to the Building Code, Existing Building Code, and the Accessibility provisions. | May 15, 2025 | |
| Part 2: 2021 Residential Code Webinar Slides PDF | These slides presented on June 11, 2025, provide an overview of the significant changes to the Residential Code. | June 13, 2025 | |
| What are the significant changes between the 2018 and 2021 International Existing Building Code (IEBC)? PDF | May 15, 2025 | ||
| What are the significant changes between the 2018 and 2021 International Building Code (IBC)? PDF | May 15, 2025 | ||
| What are the significant changes between the 2018 and 2021 International Residential Code (IRC)? PDF | June 13, 2025 |