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Massachusetts Plumbing Legislation, Codes, and Guidelines

Massachusetts Plumbing Code and Legislation

Unlike many states that adopt national model codes such as the International Residential Code (IRC) or International Plumbing Code (IPC), Massachusetts maintains its own state-authored plumbing code. The governing regulation is 248 CMR 10.00: Uniform State Plumbing Code. This code is specifically designed to meet the Commonwealth's unique requirements, including those for the biotech, research, and pharmaceutical industries, and it is harmonized with other state regulations and agencies.

Regulatory Authority

The primary agency responsible for setting, maintaining, and enforcing these standards is the Board of State Examiners of Plumbers and Gas Fitters, which operates under the Massachusetts Division of Occupational Licensure. The Board is established under Massachusetts General Laws (M.G.L.) Chapter 142, which provides the statutory framework for the supervision of plumbing and the licensing of plumbing professionals in the state. The Board is responsible for licensing, conducting examinations, granting variances, and overseeing the periodic updates to 248 CMR 10.00.

Resources to Learn More

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

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.