Montana, Lincoln County Plumbing Permit Regulations and County Ordinances for Unincorporated Areas

Lincoln County, Montana Plumbing Permit Requirements

In Lincoln County, Montana, plumbing permit requirements for properties in unincorporated areas are primarily handled at the state level, with additional considerations for local zoning and fire district regulations.

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Note: The following state-wide building codes and regulations apply universally to all jurisdictions within Montana, including Lincoln County.

Montana Plumbing Legislation, Codes, and Guidelines

State-Level Plumbing Codes in Montana

The State of Montana adopts and enforces the Uniform Plumbing Code (UPC), 2021 Edition. This code is incorporated by reference into the Administrative Rules of Montana (ARM), specifically under Title 24, Chapter 301, Subchapter 3. The state also adopts various appendices to the UPC to address specific requirements, such as water supply sizing, alternate plumbing systems, and sustainable practices.

Regulatory Agencies and Boards

Plumbing regulation in Montana is primarily managed by the Montana Department of Labor & Industry (DLI) through the following entities:

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Select a City in Lincoln County

If your project is located within incorporated city limits, you will likely need to follow municipal ordinances rather than county rules. Select your city below to view local regulations.

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