Shed Permit Requirements in Dillon, MT
Dillon is a small town of 4,334 residents in Montana that follows the 2021 IRC. Dillon is generally more lenient than the standard IRC when it comes to shed projects, more exemptions and fewer permit triggers. You're looking at roughly $37 – $125 in permit fees, plan on about 2 weeks for approval, plus you can apply online.
By Joey, Founder · Last verified March 29, 2026 · How we research →
When you don’t need a Shed permit in Dillon
Structures 120 sq ft or less are exempt.
When you need a Shed permit in Dillon
Structures over 120 sq ft require a permit.
Sheds with electrical require a permit.
What Makes Dillon Different
Here's how Dillon's shed rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Structures over 120 sq ft require a permit.
Sheds with electrical require a permit.
1 rule match the IRC baseline, no surprises there.
Shed Permit Costs: Dillon vs. Nearby
Dillon comes in on the low side for Montana. You're looking at $25 – $125 here, compared to the state average of $48 – $158.
| City | Estimated Fee |
|---|---|
| Dillon | $25 – $125 |
| Billings | $50 – $250 |
| Missoula | $52 – $262 |
| Great Falls | $45 – $225 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Dillon permit costs →
Zoning Considerations
Sheds may be subject to zoning setback requirements and lot coverage limits. Placement near property lines or in front yards may require zoning approval.
Estimated Project Timeline in Dillon
Here's a typical timeline for a shed project in Dillon, MT:
Timeline is based on Dillon's typical about 2 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
Need a Shed permit in Dillon, MT?
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Frequently Asked Questions
Estimated permit fees for Shed projects in Dillon, MT range from $25 – $125. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Shed projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Dillon can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Shed permits in Dillon is about 2 weeks. More complex projects may take longer if plan review is required.
Learn More About Shed Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Shed Guide →