Twin Bridges, MT — 2026 Building Permit Guide

On this page 6

§ 01

Permit authority

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

Street address

104 E. 6th Avenue, Twin Bridges, MT 59754

Phone

406-684-5243

Coverage

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

Online portal

Building and Flood Permits

Paper-based application; downloadable forms available online

Additional resources

§ 02

When a permit is required

Permit triggers and exempt work for Twin Bridges

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

Scope of work

Permit?

Interior-only modifications

Exempt

Routine maintenance and repairs (verify thresholds with Town)

Exempt

Minor landscaping and exterior improvements

Exempt

Exempt Interior-only modifications
Exempt Routine maintenance and repairs (verify thresholds with Town)
Exempt Minor landscaping and exterior improvements

Note: Limited detail available; exemptions not clearly specified online. Contact Town Hall to confirm exemption status before starting work

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

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

§ 03

Application process

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

01

Download Building Compliance Permit Application from Town website or obtain from Town Hall
02

Determine if property is in floodplain (check current floodplain maps on Town website)
03

Complete permit application with project details
04

If in floodplain, also complete Floodplain Permit Application
05

Submit application(s) to Town Hall, 104 E. 6th Avenue, Twin Bridges, MT 59754
06

Include non-refundable application fee ($25 for floodplain)
07

Town Council reviews application at next scheduled Council meeting
08

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) ↗

§ 04

Fee schedule

Twin Bridges building permit fees

Fee type

Amount

Minimum permit fee

25.00

Permit fee formula

Floodplain: $5.00 per 100 square feet, minimum $25.00

Application fee $25.00 (non-refundable; applied toward permit cost if issued)

§ 05

Required inspections

Scheduling and sequence

How to schedule

Contact Town Hall (406-684-5243) to schedule inspections during and after construction (phone)

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

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

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

§ 06

Frequently asked

Common questions about Twin Bridges permits

01 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

02 How much does a building permit cost in Twin Bridges, MT? ▸

Building permit fees in Twin Bridges, MT are set by the local building department and vary by project type and valuation. The minimum permit fee is 25.00. Fees are calculated as: Floodplain: $5.00 per 100 square feet, minimum $25.00.

03 How do I apply for a building permit in Twin Bridges, MT? ▸

To apply for a building permit in Twin Bridges, MT, follow these steps: 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

04 How long does it take to get a building permit in Twin Bridges, MT? ▸

Building permit processing times in Twin Bridges, MT typically run Typically 2-4 weeks (dependent on Town Council meeting schedule). Timelines can vary based on project complexity and current department workload.

05 What work is exempt from building permits in Twin Bridges, MT? ▸

Not all construction work requires a permit 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 When in doubt, confirm with the local building department before starting work.

06 How do I schedule a building inspection in Twin Bridges, MT? ▸

Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Twin Bridges, MT via: Contact Town Hall (406-684-5243) to schedule inspections during and after construction.

last verified March 2026 source Town of Twin Bridges Planning & Building Department; Great West Engineering (floodplain permits) ↗ entry id permits/montana/madison/twin-bridges

Report a correction

Educational reference. Permit rules and fees change — confirm current requirements directly with Town of Twin Bridges Planning & Building Department; Great West Engineering (floodplain permits) before applying. Jaspector is not legal advice.

Twin Bridges

Other jurisdictions in Madison County.