Cost to Build a Deck in Arizona (2026)
A 12×16 ft deck in Arizona runs about $4,117 in pressure-treated pine and $9,126 in composite, installed — right in line with the US average. Here is what moves that number in Arizona, with a calculator priced for the state.
Pressure-treated pine
$19–$25 /sq ft
Cedar
$29–$37 /sq ft
Composite
$42–$55 /sq ft
Deck cost calculator for Arizona
Priced with Arizona labour, material and footing-depth factors. Change any input and the estimate updates.
Estimated installed cost
$8,031 – $10,495
192 sq ft · about $47.53/sq ft
- Materials
- $5,676
- Labour
- $3,450
- Footings (21 in deep)
- 3 × about $157
- Frost-depth adjustment
- −$29
Mid-range estimate for a rectangular deck attached to the house, with one beam line per 12 ft of depth and footings every 8 ft. Excludes demolition, permits and site work. For railing, stairs and a full line-item breakdown use the main deck cost calculator.
Arizona deck cost by size and material
Mid-range installed prices for a standard-height deck attached to the house, including framing, footings at the local depth and hardware. Railing and stairs are priced separately in the main deck cost calculator.
| Deck size | Pressure-treated pine | Cedar | Composite |
|---|---|---|---|
| 10 × 10 ft (100 sq ft) | $2,131 | $3,224 | $4,740 |
| 12 × 12 ft (144 sq ft) | $3,081 | $4,655 | $6,838 |
| 12 × 16 ft (192 sq ft) | $4,117 | $6,217 | $9,126 |
| 16 × 20 ft (320 sq ft) | $6,833 | $10,333 | $15,182 |
| 20 × 20 ft (400 sq ft) | $8,560 | $12,935 | $18,996 |
What drives deck prices in Arizona
Labour
Labour is the biggest regional variable. Carpentry labour in Arizona runs 5% below the national level, so a composite 12×16 that averages $9,216 nationally comes to about $9,126 here. On pressure-treated decks labour is more than half the bill, so the regional gap is widest on the cheapest material.
Climate
Intense UV and 110°F summers bleach wood grey in a single season and make dark composite too hot to walk on barefoot. In the low desert decks are often shaded or built low; at elevation, frost and snow matter again.
Footings and frost depth
Footings in Arizona typically go 12–30 inches deep. At 21 inches each 12 inch footing costs roughly $157 installed, and a 12×16 deck needs about 3 of them — a saving of $29 against the 24 inch depth national prices assume.
Which decking makes sense here
Our pick for most Arizona homes: composite. A light-coloured, heat-mitigating composite holds up to UV far better than wood, which needs refinishing almost every year here. Composite adds about $5,009 to a 12×16 deck over pressure-treated — see the full 20-year comparison in the composite vs wood calculator.
Permits and code in Arizona
Phoenix-area cities and Tucson adopt the IRC and require permits for attached or elevated decks. Footing depth jumps from about 12 inches in the valley to 24–30 inches around Flagstaff and Prescott.
Typical deck permit fees: $100–$450. Expect a footing inspection before concrete, a framing inspection before the decking goes down and a final. Estimate your fee with the deck permit cost calculator, and read our deck permit guide for what the drawings need to show.
Best time to build a deck in Arizona
October to April in the low desert; May to September at Flagstaff elevation.
Deck cost in Arizona cities
- Phoenix — 12×16 composite about $9,107
Compare neighbouring states
- Nevada — 12×16 pressure-treated about $4,485 (+6% vs US)
- Utah — 12×16 pressure-treated about $4,302 (+0% vs US)
- New Mexico — 12×16 pressure-treated about $3,954 (−4% vs US)
- California — 12×16 pressure-treated about $4,969 (+16% vs US)
Frequently asked questions
How much does it cost to build a deck in Arizona?
A typical 12×16 ft (192 sq ft) deck in Arizona costs about $4,117 installed in pressure-treated pine, $6,217 in cedar and $9,126 in composite. That is $19–$25 per square foot for pressure-treated and $42–$55 for composite — right in line with the US average.
Is a composite deck worth it in Arizona?
On a 12×16 deck composite costs about $5,009 more than pressure-treated up front. A light-coloured, heat-mitigating composite holds up to UV far better than wood, which needs refinishing almost every year here. Composite needs no staining, which saves a refinishing cycle every two to three years on wood.
Do I need a permit to build a deck in Arizona?
Phoenix-area cities and Tucson adopt the IRC and require permits for attached or elevated decks. Footing depth jumps from about 12 inches in the valley to 24–30 inches around Flagstaff and Prescott. Where a permit is required, fees typically run $100–$450. Under the model residential code, a freestanding deck under 200 sq ft and no more than 30 inches above grade that does not serve an exit door is often exempt — attaching it to the house removes that exemption.
How deep do deck footings need to be in Arizona?
Typically 12 to 30 inches depending on the part of the state. At about 21 inches, each 12 inch footing costs roughly $157 installed, compared with $167 at a 24 inch depth. Confirm the exact depth with your building department before digging.
When is the best time to build a deck in Arizona?
October to April in the low desert; May to September at Flagstaff elevation. Booking a builder outside the spring rush often gets a faster start date and a keener price.
Is Arizona expensive for deck building compared with other states?
Arizona ranks 22 of 50 from cheapest to most expensive on our index. Carpentry labour runs 5% below the national level and materials 2% above it, which puts a typical deck right in line with the US average.
Price the rest of the project
How these figures are made: national installed prices per square foot, split into materials and labour and adjusted by a Arizona labour index (reasoned from BLS state carpenter wage data), a material and freight index, and the local footing depth. They are planning estimates — get two or three itemised local quotes. Method.