On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Treasure County
Residential buildings of 5+ units, all commercial buildings, alterations/repairs above certain thresholds, all mechanical/electrical/plumbing work (separate permits)
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)
- Exempt Residential buildings containing less than 5 dwelling units (state exemption)
- Exempt Private garages for personal use only
- Exempt Private storage buildings for owner use only (not commercial)
- Exempt Single-family dwelling repairs/maintenance below alteration thresholds
- Exempt Agricultural buildings (pole barns if used for agricultural purposes only)
- Exempt Fences under 6 feet (local zoning may apply)
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
§ 03
Application process
Typical processing: 2–3 weeks for state plan review
- 01 Contact Treasure County Planning Department to determine zoning compliance
- 02 Obtain zoning verification letter if needed for your property
- 03 For building permits in unincorporated areas, submit to state program via EBIZ.MT.GOV or paper form
- 04 State program reviews plans (avg. 2–3 weeks)
- 05 Pay plan review fee and building permit fee
- 06 Receive state building permit
- 07 Schedule inspections as construction progresses
Typical processing time: 2–3 weeks for state plan review
§ 04
Fee schedule
Treasure County building permit fees
Fee type
Amount
01
Plan check fee
35% of building permit fee (paid upfront)
02
Permit fee formula
Approximately 1–2% of total construction value (including all finish work, electrical, plumbing, HVAC, roofing)
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Call state building inspector at least 24 hours before each inspection (phone)
- Scheduling deadline
- 24 hours in advance
Typical sequence: Foundation, framing, electrical rough-in, plumbing rough-in, mechanical, insulation/drywall, final
§ 06
Frequently asked
Common questions about unincorporated Treasure County permits
01 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)
02 How much does a building permit cost in unincorporated Treasure County, MT? ▸
Building permit fees in unincorporated Treasure County, MT are set by the local building department and vary by project type and valuation. 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).
03 How do I apply for a building permit in unincorporated Treasure County, MT? ▸
To apply for a building permit in unincorporated Treasure County, MT, follow these steps: 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
04 How long does it take to get a building permit in unincorporated Treasure County, MT? ▸
Building permit processing times in unincorporated Treasure County, MT typically run 2–3 weeks for state plan review. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Treasure County, MT? ▸
Not all construction work requires a permit 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). When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Treasure County, MT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Treasure County, MT via: Call state building inspector at least 24 hours before each inspection. 24 hours in advance.
last verified March 2026
entry id permits/montana/treasure/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Treasure County Planning Department before applying. Jaspector is not legal advice.