County Building Permits
Prairie County, MT - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Prairie County, Montana. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
- Department
- Building Codes Program (State-level enforcement for unincorporated areas)
- Address
- 217 W Park St, Terry, MT 59349
- Phone
- (406) 635-5575
- BUILDINGCODES@MT.GOV
Online Permit Portal
Platform: • Account required: No • Submission: In-person only
Application Process
- Determine if a state building permit is required for your project type
- Prepare complete construction plans and specifications, including architectural drawings, structural plans, and site plans
- Complete the Building Permit/Plan Review Application form
- Submit all documentation through EBIZ.MT.GOV online portal or mail to Building Codes Program
- Bureau reviews plans and issues comments (typically 2-3 weeks for complete submittals)
- Address all plan review comments and pay fees
- Receive building permit upon approval
- Conduct construction and schedule inspections as required
- Final inspection and permit closure upon completion
Typical processing time: 2-3 weeks for complete submittals
Source: Building Codes Program (State-level enforcement for unincorporated areas)
General Requirements
Most construction projects (with notable exemptions listed below)
Required Documents
- Complete construction plans and specifications
- Architectural and structural drawings
- Site plans
- Engineering reports (if applicable)
- Building Permit/Plan Review Application
- Building code
- Montana has adopted the International Building Code framework
Fees
- Permit fee formula
- 1-2% of the building valuation (calculated by Montana Building Codes Bureau)
- Payment note
- Fees mailed or emailed to applicant with plan review comments. Payment due upon permit issuance
Work That Does NOT Require a Permit
Contact the Building Codes Program (State-level enforcement for unincorporated areas) to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- ()
- Scheduling deadline
- Notification required before each inspection stage
Typical inspection sequence: Inspections typically required at: foundation, framing, electrical/plumbing/mechanical rough-ins, and final
Additional Resources
- Building code: Montana has adopted the International Building Code framework
- Building Permit FAQs
- Certified Local Government Programs List
- Montana Natural Resources Conservation Service - Prairie County
- 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 Building Codes Program (State-level enforcement for unincorporated areas) before applying.
Frequently Asked Questions
Prairie County Building Permit FAQ
- Do I need a building permit in unincorporated Prairie County, MT?
- Most construction projects (with notable exemptions listed below)
- How much does a building permit cost in unincorporated Prairie County, MT?
- Fees are calculated as: 1-2% of the building valuation (calculated by Montana Building Codes Bureau).
- How do I apply for a building permit in unincorporated Prairie County, MT?
- 1. Determine if a state building permit is required for your project type 2. Prepare complete construction plans and specifications, including architectural drawings, structural plans, and site plans 3. Complete the Building Permit/Plan Review Application form 4. Submit all documentation through EBIZ.MT.GOV online portal or mail to Building Codes Program 5. Bureau reviews plans and issues comments (typically 2-3 weeks for complete submittals) 6. Address all plan review comments and pay fees 7. Receive building permit upon approval 8. Conduct construction and schedule inspections as required 9. Final inspection and permit closure upon completion
- How long does it take to get a building permit in unincorporated Prairie County, MT?
- Typical processing time is 2-3 weeks for complete submittals.
- What work is exempt from building permits in unincorporated Prairie County, MT?
- The following work is generally exempt: Farm or ranch buildings (all exempt from state permit); Residential buildings containing fewer than 5 dwelling units (except when serving transient guests); Private garages and private storage buildings used for owner's own use (not part of commercial enterprise); Farm and ranch buildings exempt from energy code; Attached private garages and storage exempt from energy code. Note: Contact Montana Building Codes Program to verify applicability to your specific project
- How do I schedule a building inspection in unincorporated Prairie County, MT?
- Inspections can be scheduled via: . Notification required before each inspection stage.
Need help with your project?
Navigating permits in Prairie County can be complicated.
Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.
Learn how Jaspector works