Plumbing Permit — Manhattan, Montana · Requirements sheet
Verified 2026-07-03 · Source: https://www.townofmanhattan.com/forms
PermitBase is an independent reference and is not affiliated with any government agency. Requirements change and vary by project — confirm current details with the building department before you submit.
Plumbing Permit in Manhattan, Montana
Required for plumbing installation, alteration, or repair work in Manhattan, governed by the Uniform Plumbing Code (UPC) as adopted via the state model technical codes. Manhattan is a Montana DLI-certified jurisdiction for plumbing permitting, bundled into the same combined application as the building permit.
Verified 2026-07-03 · Source
When you need this permit
- Plumbing permit required for installation, alteration, or repair of plumbing systems, fixtures, water heaters, gas piping, or sewer/water service lines; bundled with the building permit application per Town Code 12-1-2.A
- Governed by the current Uniform Plumbing Code (UPC) edition as adopted by the Montana DLI Building Codes Bureau and incorporated by reference per Town Code 12-1-1 (Montana uses the UPC, not the International Plumbing Code)
- Application submitted at the Town Office on the combined Building/Electrical/Mechanical/Plumbing Permit Application form
- Manhattan is DLI-certified for Plumbing (P) permitting within town limits — permits issued locally, not by the state
Required documents
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Fee schedule
Review timeline
Inspection process
- 1
Rough-In
Underground/slab and rough-in piping inspected before concealment; Building Department prefers rough-in inspections be combined where possible
- 2
Final
All fixtures connected, water heater and venting verified, no leaks
See the full Manhattan inspection guide — scheduling & re-inspection fees →
Tips
- Montana uses the Uniform Plumbing Code (UPC), not the International Plumbing Code, per the statewide model-code adoption incorporated into Manhattan Town Code 12-1-1.
- Plumbing permits in Manhattan are issued as part of the same combined application as the building permit.
- Manhattan is a Montana DLI-certified jurisdiction for plumbing permitting — permits are issued locally by the Town, not the state.
Frequently asked questions
Sources & verification
Verified against official sources. Last reviewed 2026-07-03.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Manhattan building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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