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Plumbing Permit in City of Deer Lodge, Montana

Required for plumbing installations, alterations, and repairs in the City of Deer Lodge. Plumbing is NOT locally certified in Deer Lodge — it is issued and inspected DIRECTLY by the Montana Department of Labor & Industry, Building Codes Bureau, under the 2021 Uniform Plumbing Code (UPC), effective June 11, 2022.

Verified 2026-07-06 · Source

When you need this permit

  • State plumbing permits are required for all plumbing work in Montana except in certified jurisdictions — the City of Deer Lodge is NOT certified for plumbing, so a State Plumbing Permit is required
  • Work must be performed by, or under the direction of, a Montana-licensed Master Plumber; service of a licensed Master Plumber is required on all public/commercial buildings
  • Homeowner exemption: a homeowner does not need a state plumbing permit if performing the installation themselves on their own owner-occupied residence, not built for resale or as a rental Owner-builder
  • A plumbing inspection must be requested and conducted before any plumbing work is covered
  • Application for Plumbing Permit (BCP-1) submitted to the Building Codes Bureau with applicable fee(s), or applied for online at aca-prod.accela.com/bcb

Required documents

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This checker covers one permit. A full project usually triggers several — our paid checklist will assemble all of them, from $29

Fee schedule

Each plumbing fixture or trapMontana Building Codes Bureau, Application for Plumbing Permit, BCP-1 (Rev. 11/25) — covers bath tub, lavatory, shower, urinal, water closet, kitchen sink, service sink, wash/laundry tray, dishwasher, laundry box, car wash sump, ice machine, glass fill station, coffee maker, drinking fountain, dental chair, area drain, indirect waste, grease trap, bar sink, floor/mop sink, sump drain/lift station, glass washer, aspirator, X-ray tank, etc.
$10 each
Each new water heater or replacementBCP-1 (Rev. 11/25)
$25
Each connection of building water supply to water service/public utility or private wellBCP-1 (Rev. 11/25)
$20
Each connection of building drain to sewer system/public or septicBCP-1 (Rev. 11/25)
$20
Gray water system, commercial or residentialBCP-1 (Rev. 11/25)
$60
Repair or alteration of drainage or vent pipingBCP-1 (Rev. 11/25)
$30
Alteration or repair of water piping and/or treatmentBCP-1 (Rev. 11/25)
$30
Each storm drain and storm drainageBCP-1 (Rev. 11/25)
$30
Each lawn sprinkler, fire protection system, any meter, or backflow deviceBCP-1 (Rev. 11/25)
$30
Each hose bibb, vacuum breaker, and/or backflow deviceBCP-1 (Rev. 11/25)
$6
Each industrial water pre-treatment equipment including drainage and ventBCP-1 (Rev. 11/25)
$30
Medical gas piping systems (per system)BCP-1 (Rev. 11/25); additional $10 per outlet if total outlets for all gases/vacuum piping exceed 20
$100

Review timeline

Plan review
Not published — contact the department

How long did your Plumbing Permit permit actually take in City of Deer Lodge?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Rough-In

    Must be requested and conducted before covering any portion of plumbing work

  2. 2

    Final

    All fixtures connected, no leaks, proper venting verified

See the full City of Deer Lodge inspection guide — scheduling & re-inspection fees →

Tips

  • The City of Deer Lodge is NOT on Montana's certified-jurisdiction list for plumbing — every plumbing permit there is a STATE permit issued by the Building Codes Bureau, not the city Building Inspector.
  • Homeowners performing their own plumbing on their own owner-occupied, non-rental home are exempt from the state plumbing permit requirement. Owner-builder
  • Apply online at https://aca-prod.accela.com/bcb/ or mail the paper application with payment to: Department of Labor & Industry, Building Codes Bureau, PO Box 200517, Helena, MT 59620-0517.

Frequently asked questions

City of Deer Lodge requires a plumbing permit for: State plumbing permits are required for all plumbing work in Montana except in certified jurisdictions — the City of Deer Lodge is NOT certified for plumbing, so a State Plumbing Permit is required; Work must be performed by, or under the direction of, a Montana-licensed Master Plumber; service of a licensed Master Plumber is required on all public/commercial buildings; Homeowner exemption: a homeowner does not need a state plumbing permit if performing the installation themselves on their own owner-occupied residence, not built for resale or as a rental; A plumbing inspection must be requested and conducted before any plumbing work is covered; Application for Plumbing Permit (BCP-1) submitted to the Building Codes Bureau with applicable fee(s), or applied for online at aca-prod.accela.com/bcb. If your project isn't listed, confirm with City of Deer Lodge Building Inspector — city-certified for Building permits only (residential); Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at (406) 310-6965 (Sean Beach, Building Inspector) / (406) 846-2238 (City Hall main line, fax 406-846-3925) / (406) 841-2056 (State Building Codes Bureau — electrical, plumbing, mechanical) before starting work.

In City of Deer Lodge, the published Each plumbing fixture or trap is: $10 each. Additional published fees: Each new water heater or replacement — $25; Each connection of building water supply to water service/public utility or private well — $20; Each connection of building drain to sewer system/public or septic — $20; Gray water system, commercial or residential — $60; Repair or alteration of drainage or vent piping — $30; Alteration or repair of water piping and/or treatment — $30; Each storm drain and storm drainage — $30; Each lawn sprinkler, fire protection system, any meter, or backflow device — $30; Each hose bibb, vacuum breaker, and/or backflow device — $6; Each industrial water pre-treatment equipment including drainage and vent — $30; Medical gas piping systems (per system) — $100. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

City of Deer Lodge does not publish a plan-review timeline for this permit. Contact City of Deer Lodge Building Inspector — city-certified for Building permits only (residential); Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at (406) 310-6965 (Sean Beach, Building Inspector) / (406) 846-2238 (City Hall main line, fax 406-846-3925) / (406) 841-2056 (State Building Codes Bureau — electrical, plumbing, mechanical) for current turnaround.

You'll need: Application for Plumbing Permit. See the required-documents checklist on this page for details on each.

City of Deer Lodge requires 2 inspection(s) for a plumbing permit, in order: Rough-In, Final. Schedule each through City of Deer Lodge Building Inspector — city-certified for Building permits only (residential); Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau ((406) 310-6965 (Sean Beach, Building Inspector) / (406) 846-2238 (City Hall main line, fax 406-846-3925) / (406) 841-2056 (State Building Codes Bureau — electrical, plumbing, mechanical)).

Apply through City of Deer Lodge Building Inspector — city-certified for Building permits only (residential); Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at 300 Main Street, Deer Lodge, MT 59722 (city Building Permits); Building Codes Bureau, PO Box 200517, Helena, MT 59620-0517 (state electrical/plumbing/mechanical permits). Phone: (406) 310-6965 (Sean Beach, Building Inspector) / (406) 846-2238 (City Hall main line, fax 406-846-3925) / (406) 841-2056 (State Building Codes Bureau — electrical, plumbing, mechanical), email: Contact via the City of Deer Lodge website's staff-directory contact form for Sean Beach, Building Inspector (no direct email address is published in plain text; the site uses a CivicPlus anti-spam contact-form redirect for all staff emails); Building Codes Bureau email available via bsd.dli.mt.gov contact links. Office hours: Monday - Friday 8:00 AM - 5:00 PM, closed weekends and holidays. Official information: https://www.cityofdeerlodgemt.gov/building-inspector.

The State of Montana. Deer Lodge is not a certified local government for plumbing, so all plumbing permits there are State Plumbing Permits issued by the Montana Building Codes Bureau in Helena, not the city Building Inspector.

Yes, unless the homeowner exemption applies (owner performing the work themselves on their own owner-occupied, non-rental home). Otherwise, a State Plumbing Permit is required — $25 for each new water heater or replacement, per the state's published Application for Plumbing Permit fee schedule.

Sources & verification

Verified against official sources. Last reviewed 2026-07-06.

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 City of Deer Lodge building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.