Connecticut Plumbing Legislation, Codes, and Guidelines

Connecticut Plumbing Code and Legislation

The state of Connecticut regulates plumbing through the Connecticut State Building Code (CSBC). As of the current regulatory framework, the state has adopted the 2021 International Plumbing Code (IPC) and the plumbing provisions within the 2021 International Residential Code (IRC), both of which include specific Connecticut amendments. These codes apply to the installation, alteration, repair, and replacement of plumbing systems in new and existing buildings.

Regulatory Agencies and Oversight

Plumbing regulation in Connecticut is divided between code adoption/enforcement and professional licensing:

Resources to Learn More

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

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.