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When a permit is required
Permit triggers and exempt work for Park County
A building permit is required to erect, construct, enlarge, alter, repair, move, improve, remove, convert, or demolish any building or structure in unincorporated Park County
- Exempt Private garage or storage buildings (detached, typically under specific square footage)
- Exempt Minor repairs and maintenance
- Exempt Agricultural structures in rural areas
- Exempt Certain interior remodeling projects
- Exempt Decks under specific size and height
Note: Exemptions may vary; contact Park County Planning Department to determine if specific work requires a permit
- Completed building permit application
- Plans and specifications showing code compliance
- Warranty deed to establish ownership
- Site plan showing property location and setbacks
- Building code compliance documentation
- Building code
- Montana Statewide Building Code (2024 ICC codes planned for mid-2026 adoption; prior adoption likely 2021 ICC). International Building Code (IBC) and International Residential Code (IRC) are the primary referenced codes
Application process
Typical processing: Approximately 3 weeks for plan review; total time depends on completeness of application and inspection scheduling
- 01 Contact Park County Planning Department at (406) 222-4102 to obtain building permit application forms
- 02 Submit completed application with plans and specifications sufficient to determine code compliance
- 03 Include warranty deed showing property ownership
- 04 Plans must include all required content
- 05 Building Department conducts plan review for code compliance
- 06 Applicant is notified when permit is ready or additional information is required
- 07 Upon approval, permit is issued by County Building Department
- 08 Applicant must schedule inspections and obtain final Certificate of Occupancy before occupying structure
Typical processing time: Approximately 3 weeks for plan review; total time depends on completeness of application and inspection scheduling
Fee schedule
Park County building permit fees
Contact Park County Planning Department for specific fee calculation for your project; fees based on estimated valuation and complexity
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
- Call Building Department Inspection Line at (406) 222-4102 (phone)
Typical sequence: 1. Foundation/footing inspection (before concrete is poured) 2. Framing inspection (before walls are enclosed) 3. Electrical rough-in inspection (if required; state-regulated, county may coordinate) 4. Plumbing rough-in inspection (if required; state-regulated, county may coordinate) 5. Final inspection (after state approvals for electrical/plumbing; verifies code compliance). Certificate of Occupancy issued after final inspection passed; occupancy prior to CO issuance is a code violation and may void insurance coverage
Frequently asked
Common questions about unincorporated Park County permits
01 Do I need a building permit in unincorporated Park County, MT? ▸
02 How much does a building permit cost in unincorporated Park County, MT? ▸
03 How do I apply for a building permit in unincorporated Park County, MT? ▸
04 How long does it take to get a building permit in unincorporated Park County, MT? ▸
05 What work is exempt from building permits in unincorporated Park County, MT? ▸
06 How do I schedule a building inspection in unincorporated Park County, MT? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Park County Planning & Zoning Department before applying. Jaspector is not legal advice.