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

Hill County, Montana Plumbing Permit Requirements for Unincorporated Areas

In unincorporated areas of Hill County, Montana, plumbing permit requirements are primarily handled by the state's Building Codes Bureau, part of the Montana Department of Labor & Industry. Hill County itself does not have a local building and safety division that issues these permits for unincorporated areas; instead, the state oversees building code enforcement.

For any construction or significant alteration work in unincorporated Hill County, it is crucial to contact the Hill County Planning Office for zoning verification before proceeding.

Rules for Properties in Unincorporated Areas

Plumbing work in unincorporated areas of Hill County falls under the jurisdiction of the State of Montana. This means that plumbing permits must be obtained through the state's Building Codes Bureau.

The application process typically involves:

The fees for permits are generally calculated as 1-2% of the project's valuation, based on a state schedule.

Certain types of work are exempt from requiring a plumbing permit. These typically include:

Homeowners performing their own plumbing installations for their personal use (not for resale or rental) may also be exempt from needing a permit.

All plumbing work must adhere to the Uniform Plumbing Code (UPC) and any relevant state amendments. A plumbing inspection is mandatory before any plumbing work is covered.

For public or commercial buildings, the involvement of a Montana licensed Master Plumber is required.

Resources to Learn More

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

Resources to Learn More

Select a City in Hill 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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