The short answer
What Affects the Price
The biggest cost factors are the deck's size, the materials you choose, and the condition of the existing structure. Composite decking costs more than pressure-treated wood, while cedar and tropical hardwoods fall in between. Labor rates in your area also play a role, as does the complexity of the design, such as multiple levels, built-in seating, or railings.
If your old deck has water damage, rot, or structural issues, you may need to replace the underlying framing or footings, which adds to the total. Access to your backyard, demolition of the old deck, and disposal fees also affect the final bill. Permits and inspections, if required by your local building department, add a smaller but necessary cost.
- Deck size and shape
- Material type and quality
- Labor rates and complexity
- Condition of the existing structure
- Permits and inspections
- Demolition and disposal
Material Choices and Price Ranges
Pressure-treated pine is the most budget-friendly option, often costing $15 to $25 per square foot installed. Composite decking, which requires less maintenance, typically runs $25 to $45 per square foot. Premium hardwoods like ipe or mahogany can exceed $50 per square foot, depending on availability and finish.
Keep in mind that these ranges are broad and depend on your location and the specific product line. For example, a simple ground-level deck with basic railings will cost less than a second-story deck with stairs and a pergola. Always get multiple detailed bids from local pros to compare apples to apples.
The option with the lowest upfront cost may require more maintenance over time. Wood decks need sealing and staining, while composite and PVC decking have higher initial costs but lower upkeep. Your choice should balance your budget and how much time you want to spend on maintenance.
Signs You Need a Full Replacement
Not every worn deck needs a full replacement. If the boards are cracked but the framing is solid, you might only need to replace the surface. However, if the joists, beams, or posts show rot, water damage, or insect infestation, a full replacement is often safer and more cost-effective in the long run.
Look for soft or spongy spots, visible mold, or boards that pull away from the frame. If the deck sags or moves when you walk on it, that indicates structural problems. Water damage from leaks or poor drainage can weaken the wood from the inside, so inspect the underside and around posts for signs of decay.
Getting Accurate Bids
To get a reliable cost estimate, invite several local pros to inspect your deck and provide written bids. Each bid should detail the materials, labor, demolition, disposal, and any permit fees. Ask them to specify the type of wood or composite, the fasteners, and the finish they plan to use.
Compare bids not just on price but on the scope of work. A lower bid might exclude necessary steps like replacing the ledger board or installing proper flashing. Make sure each pro understands the full extent of the job so the bids are comparable.
Ask about the timeline, but remember that weather and material availability can cause delays. A detailed contract protects both you and the pro, so read it carefully before signing. If the deck is near a door or window, consider how the replacement might affect those areas.
Water Damage and Your Deck
Deck replacement often reveals water damage that extends beyond the deck itself. If the deck is attached to your house, water can seep into the siding, rim joist, or even the interior walls. Check the area where the deck meets the house for rot, mold, or staining.
If you notice water damage inside your home near the deck attachment, address it before installing the new deck. You may need to repair drywall, replace insulation, or dry out the framing. These issues are separate from the deck replacement but are important to handle.
Policies vary, and your insurer decides what is covered. If the damage is from a sudden event like a storm, your insurance might help, but gradual wear and tear is typically not covered. Check your policy and talk to your insurance company about what is included.
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Call Now (817) 799-6732Frequently asked questions
How long does a deck replacement take?
Most deck replacements take one to two weeks, depending on the size and complexity. Simple ground-level decks may be done in a few days, while larger or multi-level structures take longer. Weather can cause delays, so ask your pro for a realistic timeline.
Can I replace a deck myself to save money?
You can, but it requires carpentry skills, tools, and knowledge of local building codes. Mistakes can be costly and dangerous. If you have experience and time, it might save on labor, but a professional installation often provides a more durable result and may be required for permits.
What should I do if my deck has water damage?
If you see rot, mold, or structural weakness, act quickly to prevent further damage. You may need to remove the affected boards and inspect the framing. If the damage is extensive, a full replacement is often the right option. A pro can assess the situation and advise on the safest approach.