Adoption Info of California Plumbing Code 2022
Official title 2022 California Plumbing Code
Effective dates January 1, 2023 – Present
Adopts with amendments Uniform Plumbing Code 2021 (UPC 2021)
Read More: California Mechanical Code 2016
California Mechanical Code 2019
Overview The Uniform Plumbing Code (UPC) provides comprehensive requirements for the design, installation, and maintenance of plumbing systems. It includes guidelines for water supply, drainage, waste, venting, and fixtures to ensure the safety, efficiency, and performance of plumbing installations.
The 2022 California Plumbing Code adopts the Uniform Plumbing Code 2021 (UPC 2021) with specific amendments tailored to California’s unique conditions. These modifications address state-specific water conservation measures, seismic considerations, and environmental requirements to ensure that plumbing systems in California meet high standards of safety, performance, and reliability.

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