Adoption Info of 2024 Ohio Plumbing Code
Official title 2024 Ohio Plumbing Code (OPC)
Overview The 2024 Ohio Plumbing Code is based on the 2021 International Plumbing Code (IPC) with Ohio-specific amendments. This code sets the minimum standards for the design, installation, and maintenance of plumbing systems in the state of Ohio. It ensures that plumbing systems are safe, sanitary, and reliable, addressing all aspects of plumbing systems including fixtures, piping, water supply, and drainage.
Read More: Ohio 2024 Existing Building Code
Effective Date The 2024 Ohio Plumbing Code became effective on January 1, 2024.
Amendments The Ohio Board of Building Standards has adopted several amendments to the 2021 IPC to address specific requirements and conditions unique to Ohio. These amendments include modifications to materials, methods of installation, and other state-specific provisions to ensure compliance with Ohio’s environmental and safety regulations.
Compliance All plumbing projects in Ohio must comply with the 2024 Ohio Plumbing Code as part of the permitting and inspection process. This code is enforced by local building departments and the Ohio Department of Commerce, Division of Industrial Compliance.

Cosimina has been a member of BCAP for over a decade, actively contributing to the organization’s nationally acclaimed initiatives aimed at assisting states and local authorities in the establishment and enforcement of robust and efficient building energy codes. Her involvement spans across advocacy, technical guidance, outreach programs, and the formation of strategic coalitions.