Composite Deck costs $39.37 to $83.65 per sq ft in Missoula in 2026. For a 400 sq ft project, expect $15,747 – $33,462 installed, typically near $24,604. That is essentially in line with the Montana average.
Missoula composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
How Missoula compares with the rest of Montana
Construction wages in Missoula average $30.23 per hour against $30.61 statewide, so pricing tracks the Montana norm closely.
Labor is about 42% of the installed cost on this type of work, and it is the part that actually moves between markets. Materials are priced by national manufacturers and barely shift, which is why the gap between metros is narrower than wage differences alone suggest.
Composite Deck cost by project size in Missoula
| Project size | Missoula range | Typical |
|---|---|---|
| 100 sq ft | $3,937 – $8,365 | $6,151 |
| 200 sq ft | $7,873 – $16,731 | $12,302 |
| 300 sq ft | $11,810 – $25,096 | $18,453 |
| 400 sq ft | $15,747 – $33,462 | $24,604 |
| 600 sq ft | $23,620 – $50,193 | $36,906 |
| 800 sq ft | $31,493 – $66,924 | $49,209 |
| 1,000 sq ft | $39,367 – $83,655 | $61,511 |
| 1,500 sq ft | $59,050 – $125,482 | $92,266 |
Where the money goes
For a 400 sq ft project in Missoula at roughly $24,604, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $10,334 |
| Materials | 44% | $10,826 |
| Site prep & equipment | 8% | $1,968 |
| Overhead, disposal & finishing | 6% | $1,476 |
Missoula compared with other Montana markets
| Area | Cost per sq ft | vs Missoula |
|---|---|---|
| Billings | $39.99 – $84.98 | +2% |
| Bozeman | $40.61 – $86.30 | +3% |
| Helena | $39.47 – $83.86 | 0% |
| Great Falls | $39.25 – $83.41 | 0% |
| Montana average | $39.56 – $84.07 | 0% |
Ground conditions and code in Missoula
Permits in Missoula
A residential permit for this work typically runs around $350 in Montana. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the Missoula building department before work begins.
Hiring in Missoula
Get three written, itemised quotes from licensed and insured contractors, each specifying the same scope and grade of material. Ask for local references and check the licence is current in Montana.
Frequently asked questions
How much does composite deck cost in Missoula?
In 2026, composite deck costs $39.37 to $83.65 per sq ft in Missoula. For a 400 sq ft project, the installed total typically lands between $15,747 and $33,462.
Is Missoula more expensive than the rest of Montana?
Not meaningfully. Missoula prices track the Montana average closely.
Do I need a permit in Missoula?
Most work of this type and value requires a permit. Budget around $350 in Montana and allow extra time for review in metro jurisdictions.
How do I compare quotes in Missoula?
Get three written, itemised quotes covering identical scope and materials. A bid far below the others usually signals a reduced specification rather than better value.
Nearby markets
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