deck installation cost
Sarah Parker
Updated on August 08, 2026
The Basics. The average price range of building a new deck in the United States can be anywhere between $4,000 and $11,000. Including materials and labor, a standard deck will cost roughly $30-$60 per square foot. That means, for a standard 14 x 20 foot deck, you can expect to pay around $6,000.
How much does a 20×20 Trex deck cost?
Trex Decking Cost
That’s $5 to $12 per square foot for just decking boards and $5 to $15 per square foot for installation.
How much should a 20×20 deck cost?
The average homeowner spends $2,200 to build a 10×10 foot deck, $6,160 to build a 14×20 deck, and $8,800 to build a 20×20 deck. The cost to build a deck with pressure-treated wood, hardwood, or composite is about $25 per square foot, for both materials and installation.
Does a deck add value to your home?
In terms of pure home resale value, wood decks provide the best return on your investment. The more affordable material translates to a more affordable deck project while boosting the resale value of your home to a similar amount compared to a composite deck.
Is Trex cheaper than wood 2021?
Trex Decking can be slightly more pricey than wood decking, depending on the features you choose. A Trex deck costs on average $5 to $12 per square foot, compared to wood decking which costs $3 to $7 per square foot.
What are the disadvantages of Trex decking?
Trex Decking Problems – Disadvantages of Composite Decking
Mold and Mildew on Composite Decking.Removing Snow or Ice from Composite Decking.Color Fading on Composite Decking.Trex Decking is Flaking.Dealing with Static Electricity.Chalk Line Residue.Tannins on Trex Decking.Damaged Decking.
Is composite decking really worth it?
There is no doubt that composite decking material is more expensive than wood. However, it is valued for its striking resemblance to natural wood and efficiency making it an excellent choice for decking. It is easier to clean and maintain which makes it last long enough to transfer the same value to the next homeowner.
Is a deck more expensive than a patio?
In short, patios are usually cheaper than decks.
These include: Materials used (concrete, vinyl, wood) Location of the addition (on the ground without supports, above ground, on the house with a door already leading out or in an area in which a door addition must be made)
What is a good deck size?
Most builders suggest that your deck should be no larger than 20 percent of the house’s* square footage. This is so that the deck does not overwhelm a home visually. This, of course, is up to you. If you feel you need a larger deck that takes up more of your yard space, feel free!
Can I build a deck yourself?
It may seem overwhelming at first, but if you have the time and a solid understanding of basic construction principles, you can build a pretty incredible deck all on your own. Just keep in mind that while a DIY deck project might be a great option for some, it’s not the solution for everyone.
What are the disadvantages of composite decking?
Cons of Composite Decking
A pricey alternative to wood. Durability comes at a cost, as composite decking is more expensive than wood. Composites aren’t natural. Composite decks aren’t completely maintenance free. You’ll need to comparison shop.
Why are decks so expensive?
Labor and materials are the primary factors that impact the costs in building a deck. Everything up to installing floorboards will have a specific cost that can be determined during the planning stages.
Is Trex worth the cost?
Yes, worth it!
Yes, composite materials on decking and trim are worth the money. The labor to install composite is the same as the labor to install wood, which will rot and require a lot of maintenance. For example, the labor to replace a deck with Trex or wood might both be $4000.