City Building Permits
Inverness, MT - 2026 Building Permit Guide
How to apply for a building permit in Inverness, Montana. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated community in northern Liberty County, state jurisdiction
- Department
- Montana Building Codes Program
- Address
- P.O. Box 200517, Helena, MT 59602
- Phone
- (406) 841-2056
- buildingcodes@mt.gov
Online Permit Portal
Platform: Accela • Account required: No • Submission: In-person only
Application Process
- Contact Montana Building Codes Program to determine if permit is required
- Request application from state online portal or by mail
- Complete application with construction plans and valuation estimate
- Provide site plan and engineering if required
- Submit via state portal or mail to Building Codes Program
- State reviews application (approximately 3 weeks)
- Receive permit approval and pay fees
- Post permit at job site before starting work
- Request inspections as work phases are completed
Typical processing time: Approximately 3 weeks
Source: Montana Building Codes Program
General Requirements
Per Montana state law; residential structures with 4+ dwelling units; fewer than 5 unit residential buildings exempt from building permits (electrical/plumbing required); alterations, additions, major repairs
Required Documents
- Building Permit Application
- Construction plans and specifications
- Site plan showing building location
- Building valuation estimate
- Engineering documentation if required
- Energy code compliance documentation
- Building code
- Montana Building Code 2021, Montana Residential Code 2021; 2021 International Energy Conservation Code
Fees
- Permit fee formula
- 1-2% of building valuation
- Payment note
- No fixed minimum fee. Obtain fee quote from Montana Building Codes Program at (406) 841-2056.
Work That Does NOT Require a Permit
Contact the Montana Building Codes Program to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
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- Scheduling deadline
- 24 hours before inspection
- Time windows
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Additional Resources
- Building code: Montana Building Code 2021, Montana Residential Code 2021; 2021 International Energy Conservation Code
- Owner-builder rules: View rules
- Montana Building Codes Program
- Building Permits FAQ
- State Building Codes Portal
- Current Codes
- License lookup guide: Montana Contractor License Requirements
- Contract template: Montana Homeowner-Contractor Agreement
- Montana hub: Montana Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Montana Building Codes Program before applying.
Frequently Asked Questions
Inverness Building Permit FAQ
- Do I need a building permit in Inverness, MT?
- Per Montana state law; residential structures with 4+ dwelling units; fewer than 5 unit residential buildings exempt from building permits (electrical/plumbing required); alterations, additions, major repairs
- How much does a building permit cost in Inverness, MT?
- Fees are calculated as: 1-2% of building valuation.
- How do I apply for a building permit in Inverness, MT?
- 1. Contact Montana Building Codes Program to determine if permit is required 2. Request application from state online portal or by mail 3. Complete application with construction plans and valuation estimate 4. Provide site plan and engineering if required 5. Submit via state portal or mail to Building Codes Program 6. State reviews application (approximately 3 weeks) 7. Receive permit approval and pay fees 8. Post permit at job site before starting work 9. Request inspections as work phases are completed
- How long does it take to get a building permit in Inverness, MT?
- Typical processing time is Approximately 3 weeks.
- What work is exempt from building permits in Inverness, MT?
- The following work is generally exempt: Residential buildings with fewer than 4 dwelling units (exempt from building permits; electrical/plumbing required); Farm and ranch buildings; Mining buildings; Private residential garages (vehicles only); Private storage (personal use only); Minor repairs and maintenance. Note: Per state law exemptions.
- How do I schedule a building inspection in Inverness, MT?
- Inspections can be scheduled via: . 24 hours before inspection.
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