Maine Plumbing Legislation, Codes, and Guidelines

State-Level Plumbing Codes in Maine

The official plumbing code for the State of Maine is the 2021 Uniform Plumbing Code (UPC), published by the International Association of Plumbing and Mechanical Officials (IAPMO). This code is adopted and enforced with specific Maine-specific amendments to address local climatic conditions, such as freeze protection and winterization requirements, as well as the state's unique infrastructure needs.

Primary State Boards and Agencies

Plumbing regulation in Maine is managed through a layered framework involving multiple entities:

Resources to Learn More

Select a County Below to Learn More About That Jurisdiction in Maine

Permit rules operate within the above structure but can be nuanced at the county or municipal level. Select your local area below for specific ordinances, local codes, and direct links for your locality Building Department.