How much does a deck building cost in Montana? (2026)
A deck building in Montana costs about $15,400 on average in 2026, with most projects running $10,300–$23,900 for a typical 300 sq ft deck. That works out to roughly $34–$80 per sq ft. Montana costs run about 14% above the national average.
Deck building cost in Montana, by tier
| Tier | Per sq ft | Typical project |
|---|---|---|
| Budget | $34 | $10,300 |
| Mid-range | $51 | $15,400 |
| High-end | $80 | $23,900 |
Project totals assume a typical 300 sq ft deck — an illustrative size to show scale, not a benchmark. Your total scales with the actual size.
How Montana compares
Montana sits in the West region, where a deck building typically runs 14% above the national average. See the national deck building cost guide for the full regional breakdown, or compare nearby states:
Sources
Deck building figures are drawn from Angi, decks.com editorial cost guides (2026) and adjusted by US Census region, last sourced 2026-07-05. They are budgeting estimates — rough starting points, not quotes, and not financial advice.
Frequently asked questions
- How much does a deck building cost in Montana in 2026?
- A deck building in Montana costs about $15,400 on average, with most projects running $10,300–$23,900 for a typical 300 sq ft deck. Actual cost depends on materials, scope, and local labor.
- What is the cost per sq ft?
- Installed rates run about $34–$80 per sq ft in Montana, or roughly $51 per sq ft for a mid-range job.
- Is a deck building more expensive in Montana?
- Montana is in the West region, where deck building costs run about 14% above the national average. These figures apply the regional labor and material adjustment to national benchmarks.
- Are these deck building costs a quote?
- No. They are estimates from Angi, decks.com editorial cost guides (2026), adjusted for region — useful for budgeting and comparing homes, not a substitute for a contractor's quote.
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