Beautiful grain. Rot-resistant. Medium maintenance.
Low Maintenance
Composite (Trex, etc.)
$35–$65 / sq ft
No staining ever. Looks great long-term. Lasts 30 yrs.
Premium
Tropical Hardwood
$50–$85 / sq ft
Ipe, teak, or mahogany. Extremely durable. High-end look.
Step 3
Where is your deck located?
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Your Personalized Estimate
12×16 Pressure-Treated Deck · Texas
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Cost Breakdown (mid estimate)
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Pro tip for TexasTexas labor costs are close to the national average. Summer heat can slow framing work — spring and fall builds are often faster and cheaper.
Estimates are for planning purposes only and based on 2025 contractor data. Always get at least 3 quotes before hiring. Prices vary by ZIP code, site conditions, and contractor availability.
12×20 deck costs between $4,800 and $15,600 for most homeowners in 2026, depending on material and location. At 240 square feet, it is a versatile mid-size deck that works well for both dining and lounging and fits homes where the yard is deeper than it is wide.
Frequently Asked Questions
How much does a 12×20 deck cost in 2026?
A 12×20 deck costs between $4,800 and $8,400 for pressure-treated wood and $8,400 to $15,600 for composite decking. Labor rates vary significantly by state, so use the calculator above for a location-specific estimate.
How does a 12×20 compare to a 12×16?
A 12×20 gives you 48 extra square feet compared to a 12×16. That extra length is enough to add a dedicated grilling area or a small lounge section alongside your dining furniture.
What can fit on a 12×20 deck?
A 12×20 deck can fit a 6-person dining table, a grill station, and a small loveseat or two lounge chairs. It is one of the most functional layouts for everyday outdoor use.
How long does it take to build a 12×20 deck?
Most contractors complete a 12×20 deck in 4 to 7 days. Elevated builds or designs with stairs and railings on multiple sides will take longer.
