County Building Permits
Treasure County, MT - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Treasure County, Montana. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Zoning and land use planning for unincorporated county areas. For building permits, unincorporated Treasure County falls under Montana Department of Labor & Industry (state jurisdiction).
- Department
- Treasure County Planning Department
- Address
- 307 Rapelje Avenue, Hysham, MT 59038
- Phone
- (406) 342-5547
- Website
- https://treasurecountymt.gov
Online Permit Portal
Platform: State portal • Account required: No • Submission: In-person only
Application Process
- Contact Treasure County Planning Department to determine zoning compliance
- Obtain zoning verification letter if needed for your property
- For building permits in unincorporated areas, submit to state program via EBIZ.MT.GOV or paper form
- State program reviews plans (avg. 2–3 weeks)
- Pay plan review fee and building permit fee
- Receive state building permit
- Schedule inspections as construction progresses
Typical processing time: 2–3 weeks for state plan review
General Requirements
Residential buildings of 5+ units, all commercial buildings, alterations/repairs above certain thresholds, all mechanical/electrical/plumbing work (separate permits)
Required Documents
- Construction plans
- Building Permit/Plan Review Application (from state)
- Property description
- Owner information
- Contractor information (if applicable)
- Building code
- Montana 2021 International Building Code (IBC 2021) at state level
Fees
- Plan check fee
- 35% of building permit fee (paid upfront)
- Permit fee formula
- Approximately 1–2% of total construction value (including all finish work, electrical, plumbing, HVAC, roofing)
Work That Does NOT Require a Permit
Contact the Treasure County Planning Department to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- ()
- Scheduling deadline
- 24 hours in advance
Typical inspection sequence: Foundation, framing, electrical rough-in, plumbing rough-in, mechanical, insulation/drywall, final
Additional Resources
- Building code: Montana 2021 International Building Code (IBC 2021) at state level
- Zoning information: View zoning info
- Montana Building Codes Program
- Montana Building Codes Program Phone
- Montana Building Codes Email
- Treasure County Government
- 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 Treasure County Planning Department before applying.
Frequently Asked Questions
Treasure County Building Permit FAQ
- Do I need a building permit in unincorporated Treasure County, MT?
- Residential buildings of 5+ units, all commercial buildings, alterations/repairs above certain thresholds, all mechanical/electrical/plumbing work (separate permits)
- How much does a building permit cost in unincorporated Treasure County, MT?
- Fees are calculated as: Approximately 1–2% of total construction value (including all finish work, electrical, plumbing, HVAC, roofing). Plan check fee: 35% of building permit fee (paid upfront).
- How do I apply for a building permit in unincorporated Treasure County, MT?
- 1. Contact Treasure County Planning Department to determine zoning compliance 2. Obtain zoning verification letter if needed for your property 3. For building permits in unincorporated areas, submit to state program via EBIZ.MT.GOV or paper form 4. State program reviews plans (avg. 2–3 weeks) 5. Pay plan review fee and building permit fee 6. Receive state building permit 7. Schedule inspections as construction progresses
- How long does it take to get a building permit in unincorporated Treasure County, MT?
- Typical processing time is 2–3 weeks for state plan review.
- What work is exempt from building permits in unincorporated Treasure County, MT?
- The following work is generally exempt: Residential buildings containing less than 5 dwelling units (state exemption); Private garages for personal use only; Private storage buildings for owner use only (not commercial); Single-family dwelling repairs/maintenance below alteration thresholds; Agricultural buildings (pole barns if used for agricultural purposes only); Fences under 6 feet (local zoning may apply).
- How do I schedule a building inspection in unincorporated Treasure County, MT?
- Inspections can be scheduled via: . 24 hours in advance.
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