Phoenix, AZ · 2026 cost guide
How much does a deck cost in Phoenix?
In Phoenix, a deck costs about $4,900–$19,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly $15.28–$61.11 per square foot. That’s about 5% above the Arizona average.
Estimate your Phoenix project with the Deck Cost Calculator →
Phoenix cost breakdown
| Phoenix typical range | $4,900–$19,500 |
| Phoenix per square foot | $15.28–$61.11 |
| Arizona state average | $4,700–$18,500 |
| Versus Arizona average | about 5% above average |
What’s different about Phoenix
Phoenix is Arizona's largest market, where rapid growth keeps contractors busy and intense desert heat demands UV-stable roofing and finishes.
- Heat-tolerant decking resists warping in high-sun climates.
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 Phoenix?
In Phoenix, a deck costs about $4,900 to $19,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly 15.28–61.11 per square foot. That's about 5% above the Arizona average, reflecting local labor and permit costs.
What affects the cost of a deck in Phoenix?
Phoenix is Arizona's largest market, where rapid growth keeps contractors busy and intense desert heat demands UV-stable roofing and finishes. Heat-tolerant decking resists warping in high-sun climates.
How can I get an accurate deck building estimate in Phoenix?
Use the free Deck Cost Calculator to plug in your real measurements, then collect two or three local Phoenix quotes to compare. Prices vary by neighborhood, access, and project complexity.
Deck building cost in other Arizona metros
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Open calculator →The Phoenix figure scales the Arizona 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.