Windows and Doors Permit Requirements in Havre, MT

Havre is a small town of 9,362 residents in Montana that follows the 2021 IRC. Havre is generally more lenient than the standard IRC when it comes to windows and doors projects, more exemptions and fewer permit triggers. You're looking at roughly $48 – $195 in permit fees, plan on about 2 weeks for approval, plus you can apply online.

By Joey, Founder · Last verified March 28, 2026 · How we research →

Population: 9,362 Code: 2021 Verified: 2026-03-28 3 local rules

When you don’t need a Window & Door permit in Havre

Exempt·Rule 1

Same-size replacement is exempt.

SourceMontana Building Code / 2021 IRC
Exempt·Rule 2

Interior door replacement is exempt.

SourceMontana Building Code / 2021 IRC

When you need a Window & Door permit in Havre

Required·Rule 1

Changing sizes requires a permit.

Estimated Fee$48 – $195
Typical Timelineabout 2 weeks
SourceMontana Building Code / 2021 IRC

What Makes Havre Different

Here's how Havre's windows and doors rules stack up against the standard IRC baseline that most of the country follows.

Stricter Than the IRC

Changing sizes requires a permit.

2 rules match the IRC baseline, no surprises there.

Windows and Doors Permit Costs: Havre vs. Nearby

Havre's fees are right in line with the Montana average, $48 – $195 versus $59 – $241 statewide.

CityEstimated Fee
Havre $48 – $195
Billings $75 – $300
Missoula $78 – $315
Great Falls $67 – $270

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Havre permit costs →

Estimated Project Timeline in Havre

Here's a typical timeline for a windows and doors project in Havre, MT:

Week 1
Get quotes & finalize design
Contact licensed contractors, get 3+ quotes, finalize project scope and drawings (plan drawings required).
Week 2
Prepare permit documents
Contractor prepares site plan, construction drawings, and permit application. Gather required documents per your city's checklist.
Week 3
Submit permit application
Your contractor submits the application to Havre's building department, apply online here.
Week 4-5
Plan review & approval
Typical processing time in Havre: about 2 weeks. Plan review examiner checks drawings for code compliance.
Week 6+
Construction & inspections
Post the permit card on site. Work begins. Schedule inspections at required stages (varies by project). Final inspection required before closing the permit.

Timeline is based on Havre's typical about 2 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.

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Building Department Contact

NameHavre Building Department
Address225 Sixth Ave, Havre, MT 59501
HoursMon-Fri 8am-5pm

Frequently Asked Questions

Estimated permit fees for Windows and Doors projects in Havre, MT range from $48 – $195. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Windows and Doors 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 Havre 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 Windows and Doors permits in Havre is about 2 weeks. More complex projects may take longer if plan review is required.

Learn More About Windows and Doors Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Windows and Doors Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-28. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.