Deck and porch service costs depend on your project and location. Check with a local pro for your specific job.
A 100-square-foot Trex deck costs $1,550 to $20,800, and most homeowners pay about $6,000 for your project.
The Trex series you select and your deck shape impact your final costs, with complex curves costing more than simple rectangles.
Budget for add-ons like Trex lattice at $195 to $960 each to finish your deck.
Hiring a local deck building professional ensures your backyard project is done well and boosts your overall home value.
A 100-square-foot Trex deck can cost $1,550 to $20,800, with homeowners paying an average of $6,000. The price often falls between $1,850 and {AvgRangeCost}. Trex decking is a leading brand of composite decking material that requires little maintenance.
To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We’ve surveyed thousands of real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Trex decking comes in several varieties, ranging from $5 to $16 per square foot for materials. The varieties differ in color, longevity, durability, and thickness. Here’s a breakdown of Trex decking cost by type:
| Decking Type | Average Material Cost (Per Square Foot) | Description |
|---|---|---|
| Signature | $14–$16 | Durable; photorealistic woodgrain; 50-year limited residential warranty |
| Transcend Lineage | $12–$14 | Heat-mitigating technology for a cooling effect; linear grain pattern; 50-year limited residential warranty |
| Transcend | $10–$12 | Multiple grain patterns; surface resists scuffs and scratches; made of reclaimed sawdust and 95% recycled plastic film; 50-year limited residential warranty |
| Select | $7–$9 | Appearance of real wood; 35-year limited residential warranty; surface resists fading and staining |
| Enhance | $5–$7 | Lightweight; heat-mitigating technology keeps it cooler than other composite options, though it still gets hot in the sun; 25-year limited residential warranty |
For a complete Trex deck—including framing, decking, railings, and stairs—you should budget $20 to $62 per square foot. This breaks down to $5 to $16 per square foot for materials (depending on the series and color), plus another $8 to $22 per square foot for installation.
Here’s what your Trex deck might cost based on size:
| Deck Size in Feet | Square Footage | Average Cost Range |
|---|---|---|
| 14 x 20 | 280 | $5,600–$17,360 |
| 16 x 20 | 320 | $6,400–$19,840 |
| 20 x 20 | 400 | $8,000–$24,800 |
Simple designs (such as rectangles and squares) can be 15% to 35% more cost-effective than complex designs with curves, angles, and patterns. Another consideration is the number of levels. Adding stairs or additional levels will automatically raise your labor and material costs by 20% to 60%.
Labor costs for building Trex decking range from $8 to $22 per square foot. If you need framing, stairs, and railings, you could spend anywhere from $15 to $35 per square foot on installation labor. The complexity of your build, accessibility of the space, and local cost of living will contribute to the price.
The cost of Trex decking also depends on factors like framing, rails, stairs, and more. Here’s what to expect.
Framing: $10–$15 per square foot
Rails: $20–$60 per linear foot
Stairs: $20–$50 per square foot
Season: 5%–15% lower cost when scheduling during the off-season
Accessibility: 10%–20% higher labor costs if accessing your backyard is challenging
Trex outdoor lighting: $60–$175 per fixture
Trex Pergola: $5,500+
Trex Pergola and ShadeTree canopy: $8,600+
Trex Lattice: $195–$960 each
Installing your own Trex decking can save you around 65% of the cost of hiring a professional to do it. If you don’t already have the necessary tools and equipment, budget an additional $500 to $1,000 to cover the costs for items such as personal protective equipment (PPE), a drill, a circular saw, hand tools, and a wheelbarrow.
Still, there are benefits to hiring a pro for this project, including the following:
Pros know how to prevent warping or movement when installing Trex decking.
Trex’s warranty may require professional installation.
Pros understand local building codes and permit rules.
They ensure your deck is properly supported.
Pros can complete the job in a few days—much faster than a DIY job.
Your deck will have a cleaner finish with professional labor.
You might DIY Trex decking installation in the following situations:
You have carpentry or construction experience.
The deck is one level, and it’s low to the ground.
You can obtain the necessary tools, and you know how to use them.
You understand the specific Trex installation instructions.
You’re familiar with permits and local codes.
Consider getting quotes from at least three local deck builders who can build the proper framing and support.
Aside from going the DIY route, there are a few other ways to save money on your Trex decking cost. Here are some ideas to make your deck build more budget-conscious:
Hire deck builders during the off-season when labor rates are lower, which might save 5% to 15% on labor costs.
Opt for Trex Enhance or Select® decking to save 20% to 70% on material costs.
Stick to simple square or rectangular shapes over more complex, rounded designs to save 15% to 35% of the project cost.
Ask your contractor about financing options to make your deck build more affordable.
Trex decking can increase the value of your home. The long-term benefits are appealing to potential buyers, and they include the following:
Minimal maintenance
Easy to clean
Recycled material
Durability
Large selection of colors and styles
Professionals can install Trex safely and efficiently, so it’s a good idea to hire a decking pro.
DIYers with moderate experience can install Trex decking themselves, provided they have a suitable substructure, but the job is often too complex.
Save money by choosing a more cost-effective type of Trex decking, hiring during the off-season, and sticking with a simple shape.
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