Plastic wood decking typically costs $25-$50 per square foot installed, with a 300-square-foot project often totaling $7,500-$15,000. The price depends on whether boards are capped composite or PVC, whether the frame needs replacement, and how much demolition, railing, and site work the project requires.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed plastic wood decking | $25 per sq ft | $37 per sq ft | $50 per sq ft | Boards, standard labor, and basic framing allowance |
| Deck boards only | $5 per sq ft | $9 per sq ft | $15 per sq ft | Material grade and brand affect price |
| 300-sq-ft installed deck | $7,500 | $11,100 | $15,000 | Assumes a straightforward ground-level build |
What does a 300-square-foot plastic wood deck cost?
For a new, basic deck, plastic wood decking and installation commonly run $25-$50 per square foot. A 200-square-foot deck may cost $5,000-$10,000, while a 400-square-foot deck may reach $10,000-$20,000. These totals assume standard colors, a simple rectangular layout, typical access, and no major foundation or drainage work.
Decking boards alone generally cost $5-$15 per square foot for common composite products; premium capped composite or PVC boards may run $10-$20 per square foot. A realistic middle budget is about $11,000 for 300 square feet with standard materials and uncomplicated labor. Assumptions: U.S. midmarket pricing, standard-grade boards, normal access, and no unusually costly local code upgrades.
How boards, framing, and labor shape the installed quote
A contractor’s quote may separate materials, labor, and project extras. The breakdown below shows typical ranges for a 300-square-foot deck; costs vary with framing condition, railing length, and regional labor rates.
| Quote component | Typical range | Pricing basis | What changes it |
|---|---|---|---|
| Composite or PVC boards | $1,500-$6,000 | $5-$20 per sq ft | Board type, finish, and brand |
| Subframe and fasteners | $1,200-$3,600 | $4-$12 per sq ft | Joist replacement and framing material |
| Installation labor | $2,400-$6,000 | $8-$20 per sq ft | Layout, access, and crew rates |
| Railing and stairs | $800-$4,000 | $40-$150 per linear ft | Length, stair count, and railing material |
| Removal and disposal | $500-$2,000 | Project charge | Old deck size and disposal distance |
Labor is often estimated from crew hours and local rates. For example, 40-70 labor hours at $50-$90 per hour equals $2,000-$6,300 before any separate demolition or specialized work. Check whether the estimate includes fasteners, fascia, stairs, hauling, and sales tax.
How board type, deck height, and layout change pricing
Capped composite boards usually cost less than premium PVC, but PVC can suit locations where moisture resistance and lower weight are priorities. Moving from basic composite at $5-$10 per square foot to premium boards at $12-$20 can add $2,100-$4,500 in material to a 300-square-foot deck.
Height and geometry also matter. A ground-level, rectangular deck is generally less expensive to build than a deck elevated more than 4 feet, which may need deeper footings, additional bracing, stairs, and guardrails. Angled borders, picture framing, multiple levels, and curves can add roughly 10%-30% to labor compared with a simple layout. Ask the contractor to identify the board grade and framing scope behind each price difference.
Which prep and material choices lower a plastic wood deck bill?
Keeping a sound frame can reduce spending, but it should be evaluated for rot, spacing, and structural condition before new boards go down. Resurfacing an existing frame may cost $15-$30 per square foot when framing is usable; a full rebuild commonly falls around $25-$50 per square foot. The lower figure is not appropriate if joists or footings need replacement.
Cost control can also come from using a standard color, choosing straight runs instead of decorative borders, and limiting stair and railing changes. Obtain quotes for the same square footage, board line, railing scope, demolition, and warranty. A written, like-for-like comparison is more useful than choosing the lowest headline price.
What labor and removal charges can add to the estimate?
Deck installation may take several days to two weeks, depending on crew size, weather, inspections, and whether the job is a resurfacing or rebuild. Labor rates commonly fall around $50-$90 per hour, though contractors often bid by square footage or project rather than billing hourly. Elevated decks, tight access, and extensive cutting can increase labor time.
Demolishing and hauling away an existing wood deck often adds $500-$2,000 for a typical project. Difficult access, heavy masonry, or long disposal trips may raise that charge. Some contractors also have a minimum service fee for small jobs, so a 100-square-foot deck may have a higher per-square-foot price than a larger project. Confirm that removal, dump fees, and site cleanup are included or separately priced.
Composite or PVC decking: which costs less over time?
Standard composite usually has the lower upfront board price, commonly $5-$15 per square foot, while PVC often ranges from $10-$20 per square foot. Installed totals overlap because labor and framing are similar, but premium PVC may push a project toward the upper end. Product warranties and cleaning instructions differ by manufacturer, so compare the specific product terms rather than assuming every board has the same service life.
Neither material needs routine staining like wood, but both benefit from cleaning and prompt removal of debris. A price comparison should include fasteners, fascia, railing compatibility, and replacement-board availability. The least expensive board is not necessarily the lowest-cost choice if the quote omits matching trim or required installation parts.
How three deck sizes translate into real project budgets
These examples use installed ranges of $25-$50 per square foot and assume standard access and a basic design. Extras such as railing, stairs, demolition, or premium boards can move a quote above the examples.
| Project | Low estimate | Average estimate | High estimate |
|---|---|---|---|
| 150 sq ft, simple ground-level deck | $3,750 | $5,550 | $7,500 |
| 300 sq ft, standard backyard deck | $7,500 | $11,100 | $15,000 |
| 400 sq ft, larger deck with more cuts | $10,000 | $14,800 | $20,000 |
A contractor should verify measurements and framing before treating a per-square-foot figure as a firm quote. Ask for separate prices for boards, framing, labor, railing, demolition, and taxes, then compare the final scope. For budgeting, allow an additional 10%-15% for concealed repairs or specification changes.