Billings, MT · 2026 cost guide
How much does a deck cost in Billings?
In Billings, a deck costs about $4,700–$18,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly $14.85–$59.39 per square foot. That’s in line with the Montana average.
Estimate your Billings project with the Deck Cost Calculator →
Billings cost breakdown
| Billings typical range | $4,700–$18,500 |
| Billings per square foot | $14.85–$59.39 |
| Montana state average | $4,700–$18,500 |
| Versus Montana average | in line with average |
What’s different about Billings
Billings is Montana's largest market with the deepest contractor pool, where harsh winters and high snow load demand reinforced exterior construction.
- 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 Billings?
In Billings, a deck costs about $4,700 to $18,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly 14.85–59.39 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 Billings?
Billings is Montana's largest market with the deepest contractor pool, where harsh winters and high snow load demand reinforced exterior construction. Footings have to reach below the frost line, so deeper excavation adds cost.
How can I get an accurate deck building estimate in Billings?
Use the free Deck Cost Calculator to plug in your real measurements, then collect two or three local Billings quotes to compare. Prices vary by neighborhood, access, and project complexity.
Deck building cost in other Montana metros
Keep planning
Related calculators
Estimate wall area, siding squares, and boxes to order from footprint, stories, gables, and openings.
Open calculator →ConstructionFence CalculatorEstimate posts, rails, pickets, and concrete bags for a fence from its total length.
Open calculator →ConstructionConcrete CalculatorCalculate cubic yards of concrete and the number of bags for slabs, footings, and columns.
Open calculator →The Billings 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.