Administrative overview · FIPS 30083
Richland 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
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Richland County Building Department for county building permits outside Sidney; Montana Department of Labor & Industry, Building Codes Bureau for state-administered areas and state code requirements
For a project in or near Richland 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) 480-9113 (Richland County Building Inspector); (406) 433-6886 (Planning); (406) 841-2056 (Montana Building Codes Bureau)
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Richland County Planning/Building office, 2177 Lincoln Avenue SE, Sidney, MT 59270; Montana Building Codes Bureau, 301 South Park Avenue, Helena, MT 59620
Operating hours
N/A for the Building Inspector; Richland County advises applicants to call ahead. Planning office address and contact are published, but regular building-office hours were not stated.
Review expectation
N/A; Richland County does not publish a standard county review time. Montana state plan review averages three weeks where the State Building Codes Bureau has jurisdiction.
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 Richland County
Who handles permitting for this jurisdiction?
Richland County Building Department for county building permits outside Sidney; Montana Department of Labor & Industry, Building Codes Bureau for state-administered areas and state code requirements is the identified county-level authority for this profile. Confirm that the property is in its service area 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) 480-9113 (Richland County Building Inspector); (406) 433-6886 (Planning); (406) 841-2056 (Montana Building Codes Bureau).
How long might review take?
N/A; Richland County does not publish a standard county review time. Montana state plan review averages three weeks where the State Building Codes Bureau has jurisdiction.
How are inspections scheduled?
For county-scope work outside Sidney, submit the three-copy application to the Richland County Building Inspector for signatures and approval and call (406) 480-9113 ahead of visiting. For state-scope work, contact the Montana Building Codes Bureau at (406) 841-2056 for permit and inspection instructions.
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; Richland County is certified for building enforcement except within Sidney. For state-scope work, exemptions generally include farm or ranch buildings, mine buildings on mining property, petroleum refineries and pulp/paper mills except office/shop buildings, residential buildings with fewer than five dwelling units unless serving transient guests, and owner-used private garages/storage buildings. Richland County may still require county building approval, zoning, subdivision, floodplain, septic, or other land-use approvals.