County Building Permits
Chouteau County, MT - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Chouteau County, Montana. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Building permits for unincorporated areas of Chouteau County are processed through the Montana Building Codes Bureau (state level) unless the specific area is within an incorporated city or town.
- Department
- Montana Building Codes Bureau
- Address
- 301 S. Park Avenue, 4th Floor, Helena, MT 59602
- Phone
- (406) 841-2056
- BUILDINGCODES@MT.GOV
Online Permit Portal
Platform: Montana Building Codes Bureau • Account required: Yes • Submission: In-person only
Application Process
- Verify that the property is in unincorporated Chouteau County (not within city or town limits)
- Prepare construction plans and Building Permit/Plan Review Application
- Submit to Montana Building Codes Bureau via online portal https://ebiz.mt.gov/ (preferred) or by mail to Montana Building Codes Bureau, P.O. Box 200517, Helena, MT 59602
- State reviews plans (average 3 weeks for review)
- Answer any plan review comments in writing
- Pay permit fees (1-2% of building value including all finish work, electrical, plumbing, HVAC, fire systems, and permanent equipment)
- Building permit is issued upon approval
- Begin work within timeframe specified in permit
- Schedule state inspections as work progresses
Typical processing time: Approximately 3 weeks for plan review
Source: Montana Building Codes Bureau
General Requirements
New buildings, alterations, additions, repairs requiring structural modifications; residential buildings with 5+ dwelling units; commercial and non-residential buildings; electrical, plumbing, and mechanical work requiring permits
Required Documents
- Construction plans
- Building Permit/Plan Review Application form
- Project description
- Site information
- Building code
- Montana state building codes (current adoption: 2021 IBC, IECC, IPC, IMC; state plans to adopt 2024 ICC codes mid-2026)
Fees
- Plan check fee
- 35% of building permit fee
- Permit fee formula
- Permit costs generally 1-2% of total building value including all finish work, electrical, plumbing, HVAC, fire systems, and permanent equipment. Plan review fee is 35% of building permit fee.
- Payment note
- Contact Montana Building Codes Bureau at (406) 841-2056 for specific fee calculation
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
- Farm and ranch buildings
- Mining buildings on mining property
- Petroleum refineries and pulp/paper mills (except office and shop buildings)
- Residential buildings containing less than 5 dwelling units (except when serving transient guests)
- Private garages and private storage buildings for owner's own use (not commercial)
- Interior finish work (wallpapering, painting)
- Replacement of existing plumbing, mechanical, or electrical fixtures
Inspections
How to Schedule
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Typical inspection sequence: Foundation and frame inspections typically required; electrical, plumbing, and mechanical inspections as required; final inspection upon completion
Additional Resources
- Building code: Montana state building codes (current adoption: 2021 IBC, IECC, IPC, IMC; state plans to adopt 2024 ICC codes mid-2026)
- Verify contractor license: Montana Building Codes Bureau
- Montana Building Codes Bureau
- Montana eBiz Portal
- 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 Bureau before applying.
Frequently Asked Questions
Chouteau County Building Permit FAQ
- Do I need a building permit in unincorporated Chouteau County, MT?
- New buildings, alterations, additions, repairs requiring structural modifications; residential buildings with 5+ dwelling units; commercial and non-residential buildings; electrical, plumbing, and mechanical work requiring permits
- How much does a building permit cost in unincorporated Chouteau County, MT?
- Fees are calculated as: Permit costs generally 1-2% of total building value including all finish work, electrical, plumbing, HVAC, fire systems, and permanent equipment. Plan review fee is 35% of building permit fee.. Plan check fee: 35% of building permit fee.
- How do I apply for a building permit in unincorporated Chouteau County, MT?
- 1. Verify that the property is in unincorporated Chouteau County (not within city or town limits) 2. Prepare construction plans and Building Permit/Plan Review Application 3. Submit to Montana Building Codes Bureau via online portal https://ebiz.mt.gov/ (preferred) or by mail to Montana Building Codes Bureau, P.O. Box 200517, Helena, MT 59602 4. State reviews plans (average 3 weeks for review) 5. Answer any plan review comments in writing 6. Pay permit fees (1-2% of building value including all finish work, electrical, plumbing, HVAC, fire systems, and permanent equipment) 7. Building permit is issued upon approval 8. Begin work within timeframe specified in permit 9. Schedule state inspections as work progresses
- How long does it take to get a building permit in unincorporated Chouteau County, MT?
- Typical processing time is Approximately 3 weeks for plan review.
- What work is exempt from building permits in unincorporated Chouteau County, MT?
- The following work is generally exempt: Farm and ranch buildings; Mining buildings on mining property; Petroleum refineries and pulp/paper mills (except office and shop buildings); Residential buildings containing less than 5 dwelling units (except when serving transient guests); Private garages and private storage buildings for owner's own use (not commercial); Interior finish work (wallpapering, painting); Replacement of existing plumbing, mechanical, or electrical fixtures.
- How do I schedule a building inspection in unincorporated Chouteau County, MT?
- Inspections can be scheduled via: , .
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