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District Of Columbia Plumbing Legislation, Codes, and Guidelines

Plumbing Codes and Legislation in the District of Columbia

The District of Columbia regulates plumbing through the District of Columbia Construction Codes, which are codified in Title 12 of the District of Columbia Municipal Regulations (DCMR). The current plumbing standards are based on the 2015 International Plumbing Code (IPC), as amended by the District of Columbia to meet local requirements and sustainability goals. These amendments are contained within the 2017 DC Construction Codes Supplement (specifically DCMR 12F, the DC Plumbing Code).

Regulatory Agencies and Boards

The administration and enforcement of these construction and plumbing codes are the responsibility of the District of Columbia Department of Buildings (DOB). Professional licensing for plumbers, including apprentice, journeyman, and master plumber/gasfitter licenses, is overseen by the District of Columbia Board of Industrial Trades. The development and periodic updating of these codes are managed by the Construction Codes Coordinating Board (CCCB), which makes recommendations for local amendments to the model codes before they are adopted through the District's rulemaking process.

Resources to Learn More

Select a County Below to Learn More About That Jurisdiction in District Of Columbia

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.