Composite or wood deck: what does the price difference buy?

Mostly, it buys you out of upkeep. A composite deck costs more to build than a wood one, and in return it skips the staining and sealing that wood asks for and holds its color with less work. Wood costs less at the start, can be sanded and refinished, and lets you fix a bad board cheaply.

What is actually different between the two?

Less than you might think. On most decks the footings, posts, beams and joists are pressure-treated lumber either way, so the hidden part of the deck is the same. The choice is about the surface you walk on, and often the stair treads, the fascia and the railings that go with it.

Composite boards mix wood fibers with plastic and are made in a factory to a set color and texture. Wood boards are cut lumber, usually pressure-treated pine, though cedar and tropical hardwoods are there for a higher price. PVC boards, with no wood fiber at all, sit in the same family as composite and are priced on their own.

How do the prices compare in Georgia?

These are estimates from what Georgia deck builders publish, not quotes, and we do not name any company. Deck sizes vary a great deal, so each range is wide.

The two ranges come from different sets of projects, so do not read the gap between them as an exact premium. The fair test is two quotes for the same deck, same size and height, one in each material.

What does the extra cost of composite pay for?

Composite has its own catches. Darker boards can get hot in full sun, some lines can scratch or fade, and a damaged composite board has to be replaced, since it cannot be sanded out. Ask the builder what the board maker's warranty asks of you, such as cleaning products to avoid.

What does choosing wood get you?

The trade is your time or your money later. Wood needs cleaning and a fresh coat of stain or sealer every so often, and boards that crack, cup or split get replaced along the way. If you would pay someone for that work, add it to the cost of wood when you compare.

Which one fits your deck?

Start with how you live with the deck, not with the board samples. These questions help:

Ask each builder to quote the same deck in both materials, with the railings and stairs spelled out, so the only difference left is the boards.

Prices mentioned here come from our Georgia deck and porch cost ranges, built from the prices and cost guides Georgia deck builders publish on their public websites, collected November 2026.