Administrative overview · FIPS 30087
Rosebud 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 and electrical permits; Rosebud County Planning & Permitting administers subdivision, floodplain, zoning, development, construction, and septic-related county requirements
For a project in or near Rosebud 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) 346-2251 (Rosebud County Planning/Flood Plain Administrator and Commissioners); (406) 841-2056 (Montana Building Codes Bureau); (406) 850-4544 (County Sanitarian)
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Rosebud County Planning & Permitting, 1251 Main Street, PO Box 47, Forsyth, MT 59327; Montana Building Codes Bureau, 301 South Park Avenue, Helena, MT 59620
Operating hours
Rosebud County Planning & Permitting: Monday-Friday 8:00 AM-5:00 PM and by appointment. 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. Rosebud County does not publish a general state building-permit turnaround time; county planning and septic review timelines were not stated.
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 Rosebud 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) 346-2251 (Rosebud County Planning/Flood Plain Administrator and Commissioners); (406) 841-2056 (Montana Building Codes Bureau); (406) 850-4544 (County Sanitarian).
How long might review take?
The Montana Building Codes Bureau states that plan review averages three weeks. Rosebud County does not publish a general state building-permit turnaround time; county planning and septic review timelines were not stated.
How are inspections scheduled?
For building and electrical work, contact the Montana Building Codes Bureau at (406) 841-2056 to determine whether a state permit and inspection are required. Contact Rosebud County Planning/Floodplain at (406) 346-2251 and the County Sanitarian at (406) 850-4544 for county development, floodplain, and septic coordination.
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. Rosebud County is not listed as a certified county building-code program. Rosebud County expressly states that it does not issue county building or electrical permits, has no county zoning or permitting requirement for cell towers or businesses, and requires no signage permit; those activities may still require State of Montana permits. Rosebud County does require septic permits and may require subdivision, floodplain, development, construction, or zoning approvals.