County Building Permits
Richland County, MT - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Richland County, Montana. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Building permits for structural work; plumbing, electrical, and mechanical permits administered by Montana Department of Labor & Industry
- Department
- Richland County Building Department
- Address
- 1105 3rd Street NW, Sidney, MT 59270
- Phone
- (406) 433-2809
Online Permit Portal
Platform: Paper forms or electronic submission • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Download Building Permit Application form from Richland County website (richland.org/downloadable-documents.html)
- Complete application in Microsoft Word or print and fill by hand
- Print 3 copies of completed application
- Obtain necessary signatures and approvals from required parties
- Submit to Building Inspector with supporting documents
- Plan review by county (2-3 weeks average for state-level reviews)
- Address any plan review comments in writing
- Pay applicable fees upon approval
- Receive building permit
- Contact inspector to schedule inspections before work begins
Typical processing time: 2-3 weeks for plan review
General Requirements
Building construction, remodels, additions, repairs, alterations, land development, septic system installation/repair, any plumbing, electrical, or mechanical work on new construction or additions
Required Documents
- Building Permit Application
- Site plans
- Construction drawings
- Project description
- Estimated cost of construction
- Proof of property ownership
- Building code
- International Building Code 2012 Edition; Uniform Plumbing Code 2012; International Mechanical Code 2012; National Electrical Code 2014
Fees
- Permit fee formula
- Calculated as percentage of estimated construction cost per county fee schedule; 1% state fee added on all residential permits
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Richland County Building Department to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- ()
- Scheduling deadline
- 24 hours advance notice required
- Time windows
- Inspector must perform inspection within 72 hours of notification
Typical inspection sequence: Typically includes foundation, framing, structural, plumbing (rough-in and final), electrical (rough-in and final), mechanical, and final inspections
Additional Resources
- Building code: International Building Code 2012 Edition; Uniform Plumbing Code 2012; International Mechanical Code 2012; National Electrical Code 2014
- Montana Current Building Codes
- Richland County Downloadable Documents
- 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 Richland County Building Department before applying.
Frequently Asked Questions
Richland County Building Permit FAQ
- Do I need a building permit in unincorporated Richland County, MT?
- Building construction, remodels, additions, repairs, alterations, land development, septic system installation/repair, any plumbing, electrical, or mechanical work on new construction or additions
- How much does a building permit cost in unincorporated Richland County, MT?
- Fees are calculated as: Calculated as percentage of estimated construction cost per county fee schedule; 1% state fee added on all residential permits.
- How do I apply for a building permit in unincorporated Richland County, MT?
- 1. Download Building Permit Application form from Richland County website (richland.org/downloadable-documents.html) 2. Complete application in Microsoft Word or print and fill by hand 3. Print 3 copies of completed application 4. Obtain necessary signatures and approvals from required parties 5. Submit to Building Inspector with supporting documents 6. Plan review by county (2-3 weeks average for state-level reviews) 7. Address any plan review comments in writing 8. Pay applicable fees upon approval 9. Receive building permit 10. Contact inspector to schedule inspections before work begins
- How long does it take to get a building permit in unincorporated Richland County, MT?
- Typical processing time is 2-3 weeks for plan review.
- What work is exempt from building permits in unincorporated Richland County, MT?
- The following work is generally exempt: Painting, wallpapering, and similar finish work; Certain agricultural structures (contact Building Inspector for specific criteria); Minor repairs and maintenance not involving systems changes; Cosmetic updates not involving structural, electrical, plumbing, or mechanical systems.
- How do I schedule a building inspection in unincorporated Richland County, MT?
- Inspections can be scheduled via: . 24 hours advance notice required.
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