City Building Permits

Dillon, MT - 2026 Building Permit Guide

How to apply for a building permit in Dillon, Montana. Permit authority, application steps, fees, and inspection requirements.

Montana Beaverhead County Updated March 2026

Permit Authority

Dillon is the county seat and has local zoning authority through Title 17 (Unified Zoning and Development Regulations). However, Dillon does NOT have certified building code enforcement. Building permits are still issued by the state Montana Building Codes Bureau. Dillon's role is limited to zoning compliance (land use, setbacks, lot coverage, height restrictions, etc.). ALL projects in Dillon require both local zoning approval AND state building permit.

Department
City of Dillon Planning & Zoning Department; Dillon Public Works Department
Address
125 N. Idaho Street, Dillon, MT
Phone
(406) 683-4245

Online Permit Portal

Platform: Paper/in-person submission • Account required: No • Submission: In-person only

Additional resources:

Application Process

  1. Contact City of Dillon Public Works at (406) 683-4245
  2. Identify property zoning district and applicable Title 17 requirements
  3. Prepare zoning application (Zoning Compliance Application form)
  4. For new construction or significant remodels, submit to Zoning Commission
  5. Zoning Commission reviews application (meets 2nd and 4th Tuesday of month at 7:00 PM at City Hall)
  6. Commission verifies compliance with Dillon Ordinances (setbacks, lot coverage, height, use restrictions, etc.)
  7. Obtain zoning approval or conditional use permit if applicable
  8. Obtain evidence of Dillon zoning approval
  9. Complete Montana Building Permit/Plan Review Application
  10. Submit plans and application to state BCB via Accela or mail
  11. State BCB conducts plan review (average 3 weeks)
  12. Respond to plan review comments
  13. Pay permit fees
  14. State BCB issues building permit
  15. Schedule required inspections

Typical processing time: Zoning Commission meets twice monthly (2nd and 4th Tuesday). State plan review average 3 weeks.

Source: City of Dillon Planning & Zoning Department; Dillon Public Works Department

General Requirements

Any new construction, remodeling that changes building footprint, additions, decks, sheds, greenhouses, fences, and signage all require zoning permits in Dillon. Building permits from state BCB required for construction, alterations, repairs.

Required Documents

  • Zoning application form
  • Site plan showing property lines and setbacks
  • Building plans or sketches
  • Proof of ownership
  • Description of work
  • Evidence of survey if applicable
  • Construction plans with code compliance detail (for state permit)
  • Building Permit/Plan Review Application (for state permit)
  • Building valuation estimate (for state permit)
Building code
Montana Uniform Building Code (MUBC) for building permits. Dillon Title 17 zoning code for land use and development standards.
Owner-builder
Montana allows owner-builders; no specific Dillon restrictions documented. Verify with city and state BCB.
Contractor requirements
State-licensed contractors required for electrical, plumbing, mechanical work. Separate permits required for these trades. All inspectors must be state-licensed or nationally certified.

Fees

Plan check fee
Included in state permit fee; Dillon zoning plan review fee not specified
Permit fee formula
Zoning permit fee structure not documented in available sources. State building permit fees: 1%-2% of building valuation.
Payment note
Contact City of Dillon for payment methods and processing details

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

Work That Does NOT Require a Permit

  • Interior remodeling not affecting building footprint or exterior
  • Repairs and maintenance not changing building size or use
  • Roof replacement in kind
  • Siding/exterior finish replacement in kind

Important: Contact City of Dillon to confirm exemptions, as local ordinances vary. State building permit exemptions also apply.

Inspections

How to Schedule

  • ()
  • ()
Inspection hours
Standard business hours; contact city and state for specific availability

Typical inspection sequence: Zoning review (approval must occur before building commencement), foundation inspection, framing inspection, mechanical/electrical/plumbing rough-in, final inspection

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of Dillon Planning & Zoning Department; Dillon Public Works Department before applying.

Frequently Asked Questions

Dillon Building Permit FAQ

Do I need a building permit in Dillon, MT?
Any new construction, remodeling that changes building footprint, additions, decks, sheds, greenhouses, fences, and signage all require zoning permits in Dillon. Building permits from state BCB required for construction, alterations, repairs.
How much does a building permit cost in Dillon, MT?
Fees are calculated as: Zoning permit fee structure not documented in available sources. State building permit fees: 1%-2% of building valuation.. Plan check fee: Included in state permit fee; Dillon zoning plan review fee not specified.
How do I apply for a building permit in Dillon, MT?
1. Contact City of Dillon Public Works at (406) 683-4245 2. Identify property zoning district and applicable Title 17 requirements 3. Prepare zoning application (Zoning Compliance Application form) 4. For new construction or significant remodels, submit to Zoning Commission 5. Zoning Commission reviews application (meets 2nd and 4th Tuesday of month at 7:00 PM at City Hall) 6. Commission verifies compliance with Dillon Ordinances (setbacks, lot coverage, height, use restrictions, etc.) 7. Obtain zoning approval or conditional use permit if applicable 8. Obtain evidence of Dillon zoning approval 9. Complete Montana Building Permit/Plan Review Application 10. Submit plans and application to state BCB via Accela or mail 11. State BCB conducts plan review (average 3 weeks) 12. Respond to plan review comments 13. Pay permit fees 14. State BCB issues building permit 15. Schedule required inspections
How long does it take to get a building permit in Dillon, MT?
Typical processing time is Zoning Commission meets twice monthly (2nd and 4th Tuesday). State plan review average 3 weeks..
What work is exempt from building permits in Dillon, MT?
The following work is generally exempt: Interior remodeling not affecting building footprint or exterior; Repairs and maintenance not changing building size or use; Roof replacement in kind; Siding/exterior finish replacement in kind. Note: Contact City of Dillon to confirm exemptions, as local ordinances vary. State building permit exemptions also apply.
How do I schedule a building inspection in Dillon, MT?
Inspections can be scheduled via: , .

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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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