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§ 02
When a permit is required
Permit triggers and exempt work for Wibaux County
New buildings, additions, alterations involving structural, electrical, plumbing, or mechanical systems; swimming pools; decks; gazebos (if attached or elevated)
Single-family residential buildings and duplexes/townhouses under 5 units
Private garages and private storage buildings for owner's own use (not commercial)
Structures 200 square feet or less used as storage (varies by county certification)
Decks less than 30 inches off grade (varies by jurisdiction)
Gazebos, pergolas, and similar open structures (unless attached or elevated over 30 inches)
Greenhouses for personal use only with no public access
Residential additions with no habitable space (covered patios, entry ways)
Most agricultural and ranching structures on rural property
- Exempt Single-family residential buildings and duplexes/townhouses under 5 units
- Exempt Private garages and private storage buildings for owner's own use (not commercial)
- Exempt Structures 200 square feet or less used as storage (varies by county certification)
- Exempt Decks less than 30 inches off grade (varies by jurisdiction)
- Exempt Gazebos, pergolas, and similar open structures (unless attached or elevated over 30 inches)
- Exempt Greenhouses for personal use only with no public access
- Exempt Residential additions with no habitable space (covered patios, entry ways)
- Exempt Most agricultural and ranching structures on rural property
Note: Exemptions may vary if county has adopted its own certified code program. Verify with county clerk before proceeding.
Required documents
- Detailed construction plans showing compliance with adopted building codes
- Property descriptions
- Applicant contact information
- Building valuation estimate for fee calculation
- Building code
- Montana 2021 International Residential Code (IRC), 2021 International Mechanical Code (IMC), 2021 International Fuel Gas Code (IFGC), 2021 International Energy Conservation Code (IECC), 2021 Uniform Plumbing Code (UPC). Montana plans to adopt 2024 ICC codes in mid-2026.
§ 03
Application process
Typical processing: 2-3 weeks for plan review if complete
- 01 Determine if your project requires a building permit (most new construction and substantial renovations do; exemptions exist for residential units under 5 units and certain agricultural/accessory structures)
- 02 Prepare construction plans with building code compliance documentation
- 03 Submit Building Permit/Plan Review Application and plans via EBIZ.MT.GOV or mail to Montana Building Codes Program
- 04 State reviewers examine plans (typically 2-3 weeks for plan review if complete)
- 05 Receive plan review comments via mail or email; address any deficiencies
- 06 Pay permit fee once plan review is approved
- 07 Receive permit and proceed with construction
- 08 Schedule and pass required inspections (foundation, framing, electrical, plumbing, etc.) as applicable
- 09 Receive certificate of occupancy once all inspections pass
Typical processing time: 2-3 weeks for plan review if complete
§ 04
Fee schedule
Wibaux County building permit fees
Fee type
Amount
01
Minimum permit fee
Typically $50-$100 for small projects; exact amount varies by valuation
02
Permit fee formula
Generally 1-2% of building valuation, calculated by the Montana Building Codes Program
Due upon plan approval before permit issuance
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Contact county or state Building Codes Program after permit issuance (phone)
- Time windows
- Typically scheduled within 1-2 weeks of request, depending on inspector availability
Typical sequence: Typical sequence: foundation, framing, electrical, plumbing, mechanical, final. Not all projects require all inspections.
§ 06
Frequently asked
Common questions about unincorporated Wibaux County permits
01 Do I need a building permit in unincorporated Wibaux County, MT? ▸
New buildings, additions, alterations involving structural, electrical, plumbing, or mechanical systems; swimming pools; decks; gazebos (if attached or elevated)
02 How much does a building permit cost in unincorporated Wibaux County, MT? ▸
Building permit fees in unincorporated Wibaux County, MT are set by the local building department and vary by project type and valuation. The minimum permit fee is Typically $50-$100 for small projects; exact amount varies by valuation. Fees are calculated as: Generally 1-2% of building valuation, calculated by the Montana Building Codes Program.
03 How do I apply for a building permit in unincorporated Wibaux County, MT? ▸
To apply for a building permit in unincorporated Wibaux County, MT, follow these steps: 1. Determine if your project requires a building permit (most new construction and substantial renovations do; exemptions exist for residential units under 5 units and certain agricultural/accessory structures) 2. Prepare construction plans with building code compliance documentation 3. Submit Building Permit/Plan Review Application and plans via EBIZ.MT.GOV or mail to Montana Building Codes Program 4. State reviewers examine plans (typically 2-3 weeks for plan review if complete) 5. Receive plan review comments via mail or email; address any deficiencies 6. Pay permit fee once plan review is approved 7. Receive permit and proceed with construction 8. Schedule and pass required inspections (foundation, framing, electrical, plumbing, etc.) as applicable 9. Receive certificate of occupancy once all inspections pass
04 How long does it take to get a building permit in unincorporated Wibaux County, MT? ▸
Building permit processing times in unincorporated Wibaux County, MT typically run 2-3 weeks for plan review if complete. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Wibaux County, MT? ▸
Not all construction work requires a permit in unincorporated Wibaux County, MT. The following work is generally exempt: Single-family residential buildings and duplexes/townhouses under 5 units; Private garages and private storage buildings for owner's own use (not commercial); Structures 200 square feet or less used as storage (varies by county certification); Decks less than 30 inches off grade (varies by jurisdiction); Gazebos, pergolas, and similar open structures (unless attached or elevated over 30 inches); Greenhouses for personal use only with no public access; Residential additions with no habitable space (covered patios, entry ways); Most agricultural and ranching structures on rural property. Note: Exemptions may vary if county has adopted its own certified code program. Verify with county clerk before proceeding. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Wibaux County, MT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Wibaux County, MT via: Contact county or state Building Codes Program after permit issuance.
last verified March 2026
source Wibaux County Clerk and Recorder ↗
entry id permits/montana/wibaux/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Wibaux County Clerk and Recorder before applying. Jaspector is not legal advice.