Missoula, MT · 2026 cost guide
How much does a deck cost in Missoula?
In Missoula, a deck costs about $4,700–$18,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly $14.7–$58.8 per square foot. That’s in line with the Montana average.
Estimate your Missoula project with the Deck Cost Calculator →
Missoula cost breakdown
| Missoula typical range | $4,700–$18,500 |
| Missoula per square foot | $14.7–$58.8 |
| Montana state average | $4,700–$18,500 |
| Versus Montana average | in line with average |
What’s different about Missoula
Missoula's growth and tighter housing market lift cost of living, with severe winters and mountain snow load shaping exterior durability needs.
- Footings have to reach below the frost line, so deeper excavation adds cost.
How the cost is built
Deck cost depends on size, decking material (pressure-treated pine is cheapest; composite and PVC are mid-range; tropical hardwood is premium), and structural extras like railings, stairs, and elevated footings. Permits and ledger flashing add cost on attached decks.
Frequently asked questions
How much does a deck cost in Missoula?
In Missoula, a deck costs about $4,700 to $18,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly 14.7–58.8 per square foot. That's in line with the Montana average, reflecting local labor and permit costs.
What affects the cost of a deck in Missoula?
Missoula's growth and tighter housing market lift cost of living, with severe winters and mountain snow load shaping exterior durability needs. Footings have to reach below the frost line, so deeper excavation adds cost.
How can I get an accurate deck building estimate in Missoula?
Use the free Deck Cost Calculator to plug in your real measurements, then collect two or three local Missoula quotes to compare. Prices vary by neighborhood, access, and project complexity.
Deck building cost in other Montana metros
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Open calculator →The Missoula figure scales the Montana cost range by a local metro index, then adjusts for the city’s labor market and climate. A 2026 planning estimate, not a quote — get local bids. See our methodology.