Administrative overview · FIPS 30077
Powell County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
State Fallback
This profile identifies a handoff outside the county’s ordinary structural permitting lane.
Required jurisdiction check
Confirm the controlling local or state authority before filing.
The record is marked State Fallback. That means the county profile should be treated as a routing brief: incorporated municipalities, a state building department, or a state fire marshal may control plan review, permits, and inspections. Contact the named agency below and verify the parcel’s jurisdiction before paying a fee or scheduling field work.
Responsible agency
Montana Department of Labor & Industry, Building Codes Bureau for building-code permits; Powell County Planning Department administers county development certificates, conditional-use permits, zoning, and growth-policy compliance
For a project in or near Powell County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
(406) 846-9786 (Powell County Planning); (406) 841-2056 (State Building Codes Bureau)
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Powell County Planning Department, 409 Missouri Avenue, Suite 203, Deer Lodge, MT 59722; Montana Building Codes Bureau, 301 South Park Avenue, Helena, MT 59620
Operating hours
N/A; Powell County’s official zoning page publishes the Planning office address and phone but not regular office hours. State Bureau hours were not published on the reviewed permit page.
Review expectation
The Montana Building Codes Bureau states that plan review averages three weeks. Powell County’s zoning page does not publish a general building-permit turnaround time.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Powell County
Who handles permitting for this jurisdiction?
This record is marked State Fallback. Confirm whether a city, state agency, or other local authority controls the parcel before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact (406) 846-9786 (Powell County Planning); (406) 841-2056 (State Building Codes Bureau).
How long might review take?
The Montana Building Codes Bureau states that plan review averages three weeks. Powell County’s zoning page does not publish a general building-permit turnaround time.
How are inspections scheduled?
Apply through Montana’s Building Codes Bureau for covered building work and call (406) 841-2056 for inspections. Before construction, contact Powell County Planning at (406) 846-9786 for the required development certificate or conditional-use permit and address assignment.
Which codes and exemptions should I review?
Montana’s current 2026 code set: 2021 International Building Code, 2021 International Residential Code, 2021 International Existing Building Code, 2021 International Mechanical Code, 2021 International Fuel Gas Code, 2021 International Energy Conservation Code, 2021 Uniform Plumbing Code, 2020 National Electrical Code, 2021 International Swimming Pool and Spa Code, and 2021 Wildland-Urban Interface Code, as amended by ARM Title 24, Chapter 301. Powell County is not listed as a certified county building-code program. Powell County states that all new residential and commercial structures require a county development certificate or conditional-use permit, including structures used as dwellings or sleeping places. State building-permit exemptions generally include farm or ranch buildings, mine buildings on mining property, certain industrial facilities, residential buildings with fewer than five dwelling units unless transient, and owner-used private garages/storage buildings; county land-use requirements may still apply.