How Long Does a Wooden Deck Last?
How Long Does a Wooden Deck Last?
As a homeowner, there’s nothing more satisfying than enjoying the outdoor space you’ve put time and energy into. The last thing you want to deal with is worrying whether your wooden deck is on its last leg.
The truth is—no deck lasts forever. Weather, foot traffic, and time all take a toll. But the good news is, there are steps you can take to help your wooden deck hold up for the long haul.
So, how long can a wooden deck last? And what can you do to get the most out of it? Let’s break it down.
The Lifespan of a Wooden Deck
Wood decks remain a popular choice for good reason—they’re easy to source, budget-friendly, and bring a warm, natural look to any yard. But wood also comes with some drawbacks.
Even with the best care, wood is prone to warping, rotting, and absorbing moisture. And since your deck is fully exposed to the elements, that wear is going to show over time.
If you stay on top of maintenance, though, a well-built wood deck can last over 20 years. The exact lifespan depends on the wood species, how it was installed, and how well it’s maintained.
Cedar Decks
Cedar is a popular choice for outdoor projects thanks to its natural resistance to moisture. That makes it a solid option for a long-lasting deck.
But cedar does need some attention—regular cleaning and annual sealing help keep it looking great. It also scratches fairly easily, so if you’ve got pets or plan to move a lot of furniture around, it might not be the best match.
When properly maintained, cedar decks can last up to 40 years.
Mahogany Decks
Mahogany is a dense hardwood with a rich look and excellent durability. It resists surface damage better than softwoods like cedar and doesn’t demand as much upkeep.
But like any natural wood, it can still break down over time. With regular maintenance, a mahogany deck can also reach that 40-year mark.
Pressure-Treated Lumber
Pressure-treated lumber is infused with preservatives to help resist insects, rot, and mold. It’s a more rugged option for outdoor structures.
That said, it can warp or shift shape as it dries out, so appearance might be less consistent over time. But if it’s sealed and maintained, a pressure-treated deck can last up to 50 years.
What Affects the Life of a Deck?
Even with quality materials, certain factors can speed up wear and tear. Here’s what to watch out for:
Location
Decks that sit in full shade take longer to dry after rain, while full sun can dry out sealants and damage boards. Ideally, your deck gets a mix of both throughout the day.
Height Above Ground
Decks installed too close to the ground have less airflow, which means more moisture buildup and slower drying times. That can lead to rot faster.
Lumber Grade
Not all wood is equal. Lower-grade lumber may come with knots, twisting, or cracks that weaken structure and shorten the life of your deck
Sealant/Coating
Don’t cut corners here. A good water-repelling sealant with wax or oil base helps keep moisture from soaking in. Reapply regularly to protect your deck year after year.
How to Get the Most From Your Wood Deck
Unlike other parts of your home, your deck isn’t covered by a roof or siding—it’s fully exposed. That means even the best-built deck will eventually need repair or replacement.
But by picking the right material and staying on top of maintenance, you can add years of life to your deck—and keep your outdoor space safe and beautiful.
Want Something That Lasts Even Longer?
If you’re ready for something low-maintenance and long-lasting, composite decking is worth a look. It resists warping, splintering, and fading. Plus, there’s no need to stain or seal it—just clean it from time to time.
A composite deck is an investment that pays off with more time to relax and less time spent on upkeep.
We install a wide range of composite deck surfaces designed for durability and style—perfect for families who want a great-looking space without the hassle.
Three Simple Steps to a Better Deck
Get a free inspection
We’ll assess your current deck or talk through your vision for a new one.
Pick your deck and schedule installation
Whether you’re repairing, replacing, or upgrading, we’ll guide you through the right options.
Rest Easy
With a professionally built deck, you’ll have a space that lasts and looks great for years.
Thinking about your next deck project? We make the process simple and stress-free—start with a quick, no-obligation inspection and get expert guidance from day one.