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§ 02
When a permit is required
Permit triggers and exempt work for Chouteau County
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
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
- Exempt Farm and ranch buildings
- Exempt Mining buildings on mining property
- Exempt Petroleum refineries and pulp/paper mills (except office and shop buildings)
- Exempt Residential buildings containing less than 5 dwelling units (except when serving transient guests)
- Exempt Private garages and private storage buildings for owner's own use (not commercial)
- Exempt Interior finish work (wallpapering, painting)
- Exempt Replacement of existing plumbing, mechanical, or electrical fixtures
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)
Source: Montana Building Codes Bureau ↗
§ 03
Application process
Typical processing: Approximately 3 weeks for plan review
- 01 Verify that the property is in unincorporated Chouteau County (not within city or town limits)
- 02 Prepare construction plans and Building Permit/Plan Review Application
- 03 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
- 04 State reviews plans (average 3 weeks for review)
- 05 Answer any plan review comments in writing
- 06 Pay permit fees (1-2% of building value including all finish work, electrical, plumbing, HVAC, fire systems, and permanent equipment)
- 07 Building permit is issued upon approval
- 08 Begin work within timeframe specified in permit
- 09 Schedule state inspections as work progresses
Typical processing time: Approximately 3 weeks for plan review
Source: Montana Building Codes Bureau ↗
§ 04
Fee schedule
Chouteau County building permit fees
Fee type
Amount
01
Plan check fee
35% of building permit fee
02
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.
Contact Montana Building Codes Bureau at (406) 841-2056 for specific fee calculation
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Permit holder must notify state inspector when work is ready for inspection and provide access (phone)
- Contact Montana Building Codes Bureau at (406) 841-2056 or via email BUILDINGCODES@MT.GOV to schedule (email)
Typical sequence: Foundation and frame inspections typically required; electrical, plumbing, and mechanical inspections as required; final inspection upon completion
Source: Montana Building Codes Bureau ↗
§ 06
Frequently asked
Common questions about unincorporated Chouteau County permits
01 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
02 How much does a building permit cost in unincorporated Chouteau County, MT? ▸
Building permit fees in unincorporated Chouteau County, MT are set by the local building department and vary by project type and valuation. 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.
03 How do I apply for a building permit in unincorporated Chouteau County, MT? ▸
To apply for a building permit in unincorporated Chouteau County, MT, follow these steps: 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
04 How long does it take to get a building permit in unincorporated Chouteau County, MT? ▸
Building permit processing times in unincorporated Chouteau County, MT typically run Approximately 3 weeks for plan review. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Chouteau County, MT? ▸
Not all construction work requires a permit 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. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Chouteau County, MT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Chouteau County, MT via: Permit holder must notify state inspector when work is ready for inspection and provide access, Contact Montana Building Codes Bureau at (406) 841-2056 or via email BUILDINGCODES@MT.GOV to schedule.
last verified March 2026
source Montana Building Codes Bureau ↗
entry id permits/montana/chouteau/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Montana Building Codes Bureau before applying. Jaspector is not legal advice.