The Department of Licenses and Inspections (L&I) presented a webinar series focused on the updates to the 2021 I-Code provisions. The series are broken down into five parts and this page includes the slides used during each webinar topic.
| Name | Description | Released | Format |
|---|---|---|---|
| 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. | July 28, 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. | July 28, 2025 | |
| Part 3: 2021 Energy Code and Mechanical Code Webinar Slides PDF | These slides presented on June 25, 2025, provide an overview of the significant changes to the Energy and Mechanical Codes. | July 28, 2025 | |
| Part 4: 2021 Plumbing Code Webinar Slides PDF | These slides presented on July 16, 2025, provide an overview of the significant changes to the Plumbing Code. | July 17, 2025 | |
| Part 5: 2021 Code Adoption – Electrical Code Webinar Slides PDF | These slides presented on July 30, 2025, provide an overview of the significant changes to the Electrical Code. | August 1, 2025 |