County Building Permits

Judith Basin County, MT - 2026 Building Permit Guide

How to apply for a building permit in unincorporated Judith Basin County, Montana. Permit authority, application steps, fees, and inspection requirements.

Montana Updated March 2026

Permit Authority

All building permits in unincorporated areas fall under the state Building Codes Bureau. The county has a Planning Board for land development and zoning matters, but does not issue building permits for construction.

Department
Montana Building Codes Program (State Jurisdiction)
Address
Montana Building Codes Program, Department of Labor & Industry, P.O. Box 200517, Helena, MT 59602
Phone
(406) 841-2056

Online Permit Portal

Platform: ACCELA • Account required: Yes • Submission: In-person only

Application Process

  1. Pre-Application Screening: Submit project details to Building Codes Program; screening letter issued with estimated plan review fees (typically 1-2% of building valuation)
  2. Application Submission: Submit Building Permit/Plan Review Application and complete construction plans through EBIZ portal
  3. Plan Review: Bureau reviews submitted plans for compliance with Montana Building Standards Code (typically 2-3 weeks for complete plans)
  4. Address Review Comments: Applicant addresses all plan review comments from bureau
  5. Fee Payment: Pay approved plan review fees
  6. Permit Issuance: Upon payment, state building permit is issued
  7. Construction & Inspections: Contractor conducts work and schedules required inspections with state inspector
  8. Final Inspection & Certificate of Occupancy: Final inspection approval allows occupancy

Typical processing time: 2-3 weeks average for plan review if plans are complete. Total project time varies based on project complexity and inspection scheduling.

Source: Montana Building Codes Program (State Jurisdiction)

General Requirements

New buildings and structures (with exceptions noted); alterations, additions, and repairs to existing structures; interior demolition or significant renovation; state building permit required for residential buildings with more than one dwelling unit; plumbing and electrical permits required even for exempt residential work

Required Documents

  • Completed Building Permit Application
  • Construction plans/blueprints scaled to show site plan, floor plans, elevations, sections
  • Building valuation estimate
  • Site plan showing property lines, setbacks, access
  • Proof of property ownership or authorization
  • Electrical, plumbing, and mechanical plans where applicable
Building code
Montana has adopted the 2021 International Building Code (IBC) with amendments. The Montana Building Standards Code (MBSC) applies statewide.

Fees

Permit fee formula
1-2% of total building valuation (state standard). Total value includes all construction work including labor and materials—finish work, painting, roofing, electrical, plumbing, heating, air conditioning, elevators, fire systems, and permanent equipment.
Payment note
Online through EBIZ portal after plan review approval. Electrical and plumbing permits may incur separate fees if not included in building permit.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the Montana Building Codes Program (State Jurisdiction) to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

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Typical inspection sequence: Typical sequence: (1) Foundation/footing inspection (before concrete pour), (2) Framing inspection (before drywall installation), (3) Rough-in inspections (electrical, plumbing, mechanical before concealment), (4) Final inspection (upon completion before occupancy). Each phase must be approved before proceeding to next phase (stop-work requirement).

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Montana Building Codes Program (State Jurisdiction) before applying.

Frequently Asked Questions

Judith Basin County Building Permit FAQ

Do I need a building permit in unincorporated Judith Basin County, MT?
New buildings and structures (with exceptions noted); alterations, additions, and repairs to existing structures; interior demolition or significant renovation; state building permit required for residential buildings with more than one dwelling unit; plumbing and electrical permits required even for exempt residential work
How much does a building permit cost in unincorporated Judith Basin County, MT?
Fees are calculated as: 1-2% of total building valuation (state standard). Total value includes all construction work including labor and materials—finish work, painting, roofing, electrical, plumbing, heating, air conditioning, elevators, fire systems, and permanent equipment..
How do I apply for a building permit in unincorporated Judith Basin County, MT?
1. Pre-Application Screening: Submit project details to Building Codes Program; screening letter issued with estimated plan review fees (typically 1-2% of building valuation) 2. Application Submission: Submit Building Permit/Plan Review Application and complete construction plans through EBIZ portal 3. Plan Review: Bureau reviews submitted plans for compliance with Montana Building Standards Code (typically 2-3 weeks for complete plans) 4. Address Review Comments: Applicant addresses all plan review comments from bureau 5. Fee Payment: Pay approved plan review fees 6. Permit Issuance: Upon payment, state building permit is issued 7. Construction & Inspections: Contractor conducts work and schedules required inspections with state inspector 8. Final Inspection & Certificate of Occupancy: Final inspection approval allows occupancy
How long does it take to get a building permit in unincorporated Judith Basin County, MT?
Typical processing time is 2-3 weeks average for plan review if plans are complete. Total project time varies based on project complexity and inspection scheduling..
What work is exempt from building permits in unincorporated Judith Basin County, MT?
The following work is generally exempt: Single-family residences (exempt from state building permit, but must follow code for construction and require electrical/plumbing permits); Agricultural buildings used for farm/ranch operations (not for human habitation or commercial use) on property classified as agricultural land per MCA § 15-7-202; Storage sheds and structures: Up to 200 square feet, maximum 12 feet height, all setbacks met, not for habitable use or motor vehicle storage; Decks: Unattached decks not more than 30 inches high from grade to deck surface; One-story residential buildings (exemption applies only outside local government jurisdictions requiring permits by ordinance); Minor repairs and maintenance not involving structural changes; Electrical and plumbing work exempt: Limited low-risk work (consult bureau for specific exemption categories). Note: Agricultural exemption requires written approval of agricultural land classification from Montana Department of Revenue.
How do I schedule a building inspection in unincorporated Judith Basin County, MT?
Inspections can be scheduled via: .

Need help with your project?

Navigating permits in Judith Basin County (Unincorporated Areas) 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.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.
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