How much does a building permit cost in Polson, MT?

Fees are calculated as: Building permit fees calculated using Building Permit Calculation Table (available on city website). Plan check fee: Plan review fee payable at time of plan submittal.

How do I apply for a building permit in Polson, MT?

1. Complete appropriate permit application form(s) 2. Prepare site plan (drawn to scale, showing property boundaries and structure location) 3. Prepare building plans (straight line, to scale, sufficient detail for construction, with north indicated) 4. Submit application and plans with plan review fee to Building Department 5. Building Official reviews plans for code compliance (average 3 weeks review time) 6. Pay any additional fees upon approval notification 7. Receive permit and begin construction 8. Schedule inspections with Building Department before work stage begins 9. Pass all required inspections before next phase 10. Final inspection and Certificate of Occupancy

How long does it take to get a building permit in Polson, MT?

Typical processing time is Average 3 weeks for plan review; varies by project complexity.

What work is exempt from building permits in Polson, MT?

The following work is generally exempt: Farm and ranch buildings (outside city); Mining buildings on mining property; Petroleum refineries, pulp and paper mills (office/shop buildings only); Residential buildings under 5 dwelling units (not serving transient guests); Private garages and storage buildings for owner's personal use only; Decks less than 30 inches off grade; Pergolas and gazebos; Residential additions without habitable space (patios, entryways). Note: Electrical and plumbing permits still required for residential buildings in many cases.

How do I schedule a building inspection in Polson, MT?

Inspections can be scheduled via: .

City Building Permits

Polson, MT - 2026 Building Permit Guide

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

Montana Lake County Updated March 2026

Permit Authority

All areas within City of Polson corporate limits only.

Department: Building Department
Address: 106 1st Street East, Polson, MT 59860
Phone: 406-883-8200
Email: bldginspector@cityofpolson.com
Website: https://www.cityofpolson.com/building

Online Permit Portal

Open City of Polson Building Department

Platform: • Account required: No • Submission: In-person only

Additional resources:

Application Process

Complete appropriate permit application form(s)
Prepare site plan (drawn to scale, showing property boundaries and structure location)
Prepare building plans (straight line, to scale, sufficient detail for construction, with north indicated)
Submit application and plans with plan review fee to Building Department
Building Official reviews plans for code compliance (average 3 weeks review time)
Pay any additional fees upon approval notification
Receive permit and begin construction
Schedule inspections with Building Department before work stage begins
Pass all required inspections before next phase
Final inspection and Certificate of Occupancy

Typical processing time: Average 3 weeks for plan review; varies by project complexity

Source: Building Department

General Requirements

Zoning conformance and building permits required BEFORE groundbreaking or construction activity begins for: new structures, additions, remodels, paving on property

Required Documents

Completed building permit application form
Site plan to scale showing property boundaries and structure location
Building plans/drawings (straight line, to scale, with north indicated)
Architectural plans with proper sealing if required
Engineering reports as needed
ADA compliance documentation
Proof of property ownership or authorization
Zoning conformance documentation

Building code: 2021 International Building Code (IBC 2021) as amended by ARM 24.30.131; 2021 International Residential Code (IRC 2021) as amended by ARM 24.301.154; 2021 International Energy Conservation Code (IECC 2021) as amended by ARM 24.301.161; 2021 International Existing Building Code (IEBC 2021) as amended by ARM 24.301.171; 2021 International Mechanical Code (IMC 2021) as amended by ARM 24.301.172; 2021 International Fuel Gas Code (IFGC 2021) as amended by ARM 24.301.173

Fees

Plan check fee: Plan review fee payable at time of plan submittal
Permit fee formula: Building permit fees calculated using Building Permit Calculation Table (available on city website)
Payment note: Different fee structures for residential, commercial, additions, mechanical, electrical, plumbing permits. Specific fee amounts available through calculation table on website or by contacting Building Department.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the Building Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

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Typical inspection sequence: 1. Foundation/site preparation 2. Framing inspection (after structural frame erected) 3. Rough-in inspections (plumbing, electrical, HVAC before covering) 4. Final inspection (all work complete) 5. Specialized inspections: Electrical, Fire, Mechanical, Plumbing, ADA compliance. All required inspections must pass before Certificate of Occupancy is issued.

Additional Resources

Building code: 2021 International Building Code (IBC 2021) as amended by ARM 24.30.131; 2021 International Residential Code (IRC 2021) as amended by ARM 24.301.154; 2021 International Energy Conservation Code (IECC 2021) as amended by ARM 24.301.161; 2021 International Existing Building Code (IEBC 2021) as amended by ARM 24.301.171; 2021 International Mechanical Code (IMC 2021) as amended by ARM 24.301.172; 2021 International Fuel Gas Code (IFGC 2021) as amended by ARM 24.301.173
City of Polson Building Department
Building Permit Fee Calculations
Planning Forms & Applications
Standards for Design & Construction
Montana Building Codes Program
Montana Certified Government Programs list
Code of Ordinances
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 Building Department before applying.

Frequently Asked Questions

Polson Building Permit FAQ

Do I need a building permit in Polson, MT?: Zoning conformance and building permits required BEFORE groundbreaking or construction activity begins for: new structures, additions, remodels, paving on property
How much does a building permit cost in Polson, MT?: Fees are calculated as: Building permit fees calculated using Building Permit Calculation Table (available on city website). Plan check fee: Plan review fee payable at time of plan submittal.
How do I apply for a building permit in Polson, MT?: 1. Complete appropriate permit application form(s) 2. Prepare site plan (drawn to scale, showing property boundaries and structure location) 3. Prepare building plans (straight line, to scale, sufficient detail for construction, with north indicated) 4. Submit application and plans with plan review fee to Building Department 5. Building Official reviews plans for code compliance (average 3 weeks review time) 6. Pay any additional fees upon approval notification 7. Receive permit and begin construction 8. Schedule inspections with Building Department before work stage begins 9. Pass all required inspections before next phase 10. Final inspection and Certificate of Occupancy
How long does it take to get a building permit in Polson, MT?: Typical processing time is Average 3 weeks for plan review; varies by project complexity.
What work is exempt from building permits in Polson, MT?: The following work is generally exempt: Farm and ranch buildings (outside city); Mining buildings on mining property; Petroleum refineries, pulp and paper mills (office/shop buildings only); Residential buildings under 5 dwelling units (not serving transient guests); Private garages and storage buildings for owner's personal use only; Decks less than 30 inches off grade; Pergolas and gazebos; Residential additions without habitable space (patios, entryways). Note: Electrical and plumbing permits still required for residential buildings in many cases.
How do I schedule a building inspection in Polson, MT?: Inspections can be scheduled via: .

Need help with your project?

Navigating permits in Polson 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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