Detached Garage Cost in Montana
Detached Garage in Montana costs $42–$100 per sq ft in 2026. A typical 576 sq ft project averages $37,440. Montana is in the West region, where labor and materials run on the higher end of national pricing.
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How much does a detached garage cost in Montana? A detached garage in Montana costs $24,192–$57,600 in 2026, with most homeowners paying around $37,440 for a typical 576 sq ft project.
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How big is your Detached Garage?
A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
- Per sq ft
- $42–$100
- Typical range
- $24,192–$57,600
- Average
- $37,440
- Labor share
- 55%
Montana Average Cost (2026)
Cost Breakdown
Based on a 576 sq ft project in the West region. Actual costs vary by contractor, site conditions, and material choices.
Detached Garage Cost by Size in Montana
288 sq ft, 576 sq ft, and 1,152 sq ft detached garage cost in Montana — the most common sizes (2026).
| Project size | Low | Mid | High |
|---|---|---|---|
| 288 sq ft | $12,096 | $18,720 | $28,800 |
| 576 sq ft | $24,192 | $37,440 | $57,600 |
| 1,152 sq ft | $48,384 | $74,880 | $115,200 |
Based on $42–$100 per sq ft in the West region. A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
Building a Detached Garage in Montana: Local Factors
What makes detached garage projects in Montana different from the national baseline.
Permits & codes
Montana requires nearly all construction contractors, including garage builders, to hold a Construction Contractor Registration through the Montana Department of Labor and Industry — verify registration before hiring. Most Montana municipalities require a standard permit for a detached garage with plan review covering the slab and framing.
Climate & foundations
Montana's heavy snow loads and long, cold winters make truss design and roof-edge detailing meaningful cost factors, particularly in the mountain valleys around Bozeman, Missoula, and Kalispell. Frost-depth footings are required statewide.
Market & timing
Montana garage costs run above the national average given the state's rural, spread-out contractor base and generally higher West-region material and labor pricing. Bozeman, Missoula, and Kalispell's tourism-driven growth markets price above the rest of the state.
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Return on Investment
How much value does a detached garage add to your home at resale?
How Detached Garage compares to other projects
ROI figures based on Remodeling Magazine Cost vs. Value Report 2024, national averages. Actual resale value depends on your market, home price tier, and project quality.
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Frequently Asked Questions
How much does a detached garage cost in Montana?
In Montana, a typical 576 sq ft detached garage project costs between $24,192 and $57,600, with a mid-range average of $37,440. Montana is in the West region.
How much is labor for a detached garage in Montana?
Labor accounts for approximately $20,592 of the total cost for a 576 sq ft detached garage project in Montana. The West Coast and Mountain West have some of the highest labor costs in the country, driven by high cost of living and strong contractor demand.
How much does a 2-car garage cost in Montana?
BuildCost's 576 sq ft default size is a 2-car garage — it typically costs $24,192–$57,600 in Montana, averaging $37,440.
Do I need a permit to build a detached garage in Montana?
Montana requires nearly all construction contractors, including garage builders, to hold a Construction Contractor Registration through the Montana Department of Labor and Industry — verify registration before hiring. Most Montana municipalities require a standard permit for a detached garage with plan review covering the slab and framing.
How do I find a contractor for a detached garage in Montana?
Get at least 3 quotes from licensed local contractors, verify their license with Montana's contractor licensing board, and check reviews on Google or the BBB. Use our free estimate tool to understand fair pricing before you negotiate.
Does a detached garage add value to your home in Montana?
On average, a detached garage recoups about 65% of its cost at resale nationwide. For a $37,440 project in Montana, that's approximately $24,336 in added home value. Actual ROI varies by neighborhood and market conditions.
Detached Garage Calculators
Estimate exact costs and material quantities for your detached garage project.
Other Home Improvement Costs in Montana
Detached Garage Cost in Nearby States
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How big is your Detached Garage?
A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
Pro Tips
- Get at least 3 contractor quotes
- Ask about permit requirements
- Budget 10–20% contingency
- Check contractor licenses
Detached Garage Cost by State
See the Full Picture
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