City Building Permits

Twin Bridges, MT - 2026 Building Permit Guide

How to apply for a building permit in Twin Bridges, Montana. Permit authority, application steps, fees, and inspection requirements.

Montana Madison County Updated March 2026

Permit Authority

Twin Bridges administers building compliance permits for all new structures and additions. Floodplain permits required for work in designated flood zones

Department
Town of Twin Bridges Planning & Building Department; Great West Engineering (floodplain permits)
Address
104 E. 6th Avenue, Twin Bridges, MT 59754
Phone
406-684-5243
Website
https://twinbridgesmt.com/building-and-flood-permits

Online Permit Portal

Open Building and Flood Permits

Platform: Paper-based application; downloadable forms available online • Account required: No • Submission: In-person only

Application Process

  1. Download Building Compliance Permit Application from Town website or obtain from Town Hall
  2. Determine if property is in floodplain (check current floodplain maps on Town website)
  3. Complete permit application with project details
  4. If in floodplain, also complete Floodplain Permit Application
  5. Submit application(s) to Town Hall, 104 E. 6th Avenue, Twin Bridges, MT 59754
  6. Include non-refundable application fee ($25 for floodplain)
  7. Town Council reviews application at next scheduled Council meeting
  8. Upon Council approval, permit is issued and construction may begin

Typical processing time: Typically 2-4 weeks (dependent on Town Council meeting schedule)

Source: Town of Twin Bridges Planning & Building Department; Great West Engineering (floodplain permits)

General Requirements

All new structures and additions to existing structures require building compliance permit before construction begins

Required Documents

  • Building Compliance Permit Application (complete and signed)
  • Description of proposed construction
  • Site plan or property sketch
  • Building specifications and estimated cost
  • Owner and contractor information
  • Proof of property ownership
  • Floodplain Permit Application (if located in designated flood zone)
Building code
Montana Building Codes as adopted by state and town ordinances

Fees

Minimum permit fee
25.00
Permit fee formula
Floodplain: $5.00 per 100 square feet, minimum $25.00
Payment note
Application fee $25.00 (non-refundable; applied toward permit cost if issued)

Work That Does NOT Require a Permit

Contact the Town of Twin Bridges Planning & Building Department; Great West Engineering (floodplain permits) to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

  • ()
Inspection hours
Monday-Friday, 8:00 am - 4:00 pm (closed 12:00-1:00 pm lunch)

Typical inspection sequence: Foundation, framing, utility connections, systems (electrical, plumbing, mechanical), final. Typical inspections required at key construction milestones; specific requirements vary based on project scope

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Town of Twin Bridges Planning & Building Department; Great West Engineering (floodplain permits) before applying.

Frequently Asked Questions

Twin Bridges Building Permit FAQ

Do I need a building permit in Twin Bridges, MT?
All new structures and additions to existing structures require building compliance permit before construction begins
How much does a building permit cost in Twin Bridges, MT?
The minimum permit fee is 25.00. Fees are calculated as: Floodplain: $5.00 per 100 square feet, minimum $25.00.
How do I apply for a building permit in Twin Bridges, MT?
1. Download Building Compliance Permit Application from Town website or obtain from Town Hall 2. Determine if property is in floodplain (check current floodplain maps on Town website) 3. Complete permit application with project details 4. If in floodplain, also complete Floodplain Permit Application 5. Submit application(s) to Town Hall, 104 E. 6th Avenue, Twin Bridges, MT 59754 6. Include non-refundable application fee ($25 for floodplain) 7. Town Council reviews application at next scheduled Council meeting 8. Upon Council approval, permit is issued and construction may begin
How long does it take to get a building permit in Twin Bridges, MT?
Typical processing time is Typically 2-4 weeks (dependent on Town Council meeting schedule).
What work is exempt from building permits in Twin Bridges, MT?
The following work is generally exempt: Interior-only modifications; Routine maintenance and repairs (verify thresholds with Town); Minor landscaping and exterior improvements. Note: Limited detail available; exemptions not clearly specified online. Contact Town Hall to confirm exemption status before starting work
How do I schedule a building inspection in Twin Bridges, MT?
Inspections can be scheduled via: .

Need help with your project?

Navigating permits in Twin Bridges can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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