Deck replacement costs depend on materials, any structural damage you need to fix, and more. This guide explores how much it costs to replace or repair a deck.
How Much Does Composite Decking Cost? [2025 Data]
Normal Range: $5,400 - $11,500
The typical cost of composite decking ranges from $5,400 to $11,500, with an average of $8,500. You’ll pay more for larger decks and higher-quality materials.
How we get this data
Photo: BenAkiba / E+ / Getty Images
Photo: BenAkiba / E+ / Getty Images
Composite decking costs vary from $5,400 for smaller installations to $20,000 for large decks that require lots of prep work. Most homeowners spend an average of $8,500 to install a new composite deck.
Whether you’re hosting a barbecue over the summer or want to snuggle up on your outdoor furniture on a cool fall afternoon, having a composite deck can transform any drab yard into the perfect space for hosting gatherings. We’ve crunched the numbers to make it easier for you to budget for your new composite deck.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
Photos: PongsakornJun / iStock / Getty Images Plus, yalcinsonat1 / iStock / Getty Images Plus, posonsky / iStock / Getty Images Plus, Xenokratis Vartzikos / iStock / Getty Images Plus, hudiemm / E+ / Getty Images
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
| Deck Dimensions | Square Footage | Estimated Average Cost |
|---|---|---|
| 10’X10’ | 100 sq. ft. | $1,500–$3,200 |
| 12’x12’ | 144 sq. ft. | $2,200–$4,600 |
| 16’x16’ | 256 sq. ft. | $3,800–$8,200 |
| 16’X20’ | 320 sq. ft. | $4,800–$10,200 |
| 18’x20’ | 360 sq. ft. | $5,400–$11,500 |
| 20’x20’ | 400 sq. ft. | $6,000–$12,800 |
| 20’x24’ | 480 sq. ft. | $7,200–$15,400 |
| 23’x23’ | 529 sq. ft. | $7,900–$17,000 |
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
| Deck Material | Average Cost |
|---|---|
| Railing | $875–$2,800 |
| Substructure | $1,900–$3,100 |
| Posts | $750–$1,900 |
| Hardware | $250–$500 |
| Total | $3,800–$8,300 |
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
Frequently Asked Questions
The homeowners guide to deck and porch services
From average costs to expert advice, get all the answers you need to get your job done.
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