Trex Decking Cost: 2026 Installed Price Calculator
Mike Martin, MA CSL, is the founder and construction cost editor of RemodelingExpense. His residential construction experience informs the site’s cost research, calculators, and homeowner project guidance.
Trex decking cost ranges from $25.00 to $50.00 per sq. ft. installed, with most 320 sq. ft. Trex decking projects costing about $8,000 to $16,000.
This estimate is for Trex composite deck boards and Trex deck installation, including Trex Enhance, Trex Select, Trex Transcend, capped composite boards, grooved boards, hidden fasteners, basic framing tie-in, and local labor. It is not for pressure-treated decking, cedar decking, redwood decking, hardwood decking, PVC decking, aluminum decking, deck lighting, or pool deck surfacing.
Enter your ZIP code and deck size below to estimate local material, labor, and installed cost.
Cost Calculator
Trex Decking Cost Calculator
Trex decking cost depends on deck size, Trex product line, Trex Enhance, Trex Select, Trex Transcend, capped composite boards, grooved or square-edge boards, hidden fasteners, fascia boards, Trex railing, color collection, heat retention, fade and stain warranty, resurfacing versus full build, framing condition, stairs, demolition, permits, and local labor rates.
Your estimated cost
For 320 sq. ft.
$8,000 – $16,000
About $25 – $50 per sq. ft.
Use your estimate as a starting point, then compare real prices from local contractors.
| Cost item | Low estimate | High estimate |
|---|---|---|
| Material | $2,880 | $7,040 |
| Labor | $5,120 | $8,960 |
| Estimated installed cost | $8,000 | $16,000 |
| Installed cost per sq. ft. | $25 | $50 |
Why your price may change
- Local labor rates vary.
- Material quality affects the price.
- Old material removal, repairs, permits, or code updates can add cost.
- Hard-to-reach areas, complex layouts, rush jobs, or premium contractors may cost more.
Estimate includes local labor adjustments and may differ slightly from rounded national cost examples.
Trex Decking Cost vs Value
Trex Decking may recover about 50%–70% of its cost.
Bottom line: Trex decking costs more than basic pressure-treated wood, but value depends on product line, capped surface, fastening method, railing and stair scope, framing condition, warranty coverage, color selection, and lower staining or sealing upkeep.
Worth it: Homeowners who want a branded composite deck board with lower maintenance, capped board options, Trex railing compatibility, and strong product recognition.
Skip it: Projects where pressure-treated, cedar, redwood, hardwood, PVC, aluminum decking, deck lighting, or pool deck surfacing is the main scope.
ROI ranges are planning estimates and should not be treated as an appraisal. This is only an estimate. Real resale value depends on your home, neighborhood, market, project quality, and buyer demand.
How to Measure Trex Decking
Measure the deck surface in square feet. Multiply deck length by deck width, then add square footage for landings, stair treads, picture-frame borders, angled cuts, fascia boards, and waste. A 16 ft. by 20 ft. deck is 320 sq. ft.
Trex decking pricing changes when the quote includes new framing, railing, stairs, demolition, joist repair, hidden fasteners, fascia boards, permits, or second-story access.
Trex Decking Cost Factors
Contractor Reality Check
Trex pricing changes by product line. Trex Enhance is usually the lower-cost option, Trex Select sits in the middle, and Trex Transcend usually lands higher. Ask whether the quote includes board collection, color, grooved or square-edge boards, hidden fasteners, fascia boards, Trex railing, stairs, and any framing repairs.
What to Confirm Before You Sign
- Total deck size in square feet
- Trex product line: Enhance, Select, or Transcend
- Board color, collection, and surface texture
- Grooved boards, square-edge boards, or picture-frame boards
- Existing framing condition and joist spacing
- Hidden fasteners, clips, plugs, screws, or face fastening
- Trex railing, stairs, fascia boards, demolition, and disposal scope
- Warranty terms for fading, staining, scratching, and workmanship
Common Trex Decking Add-On Costs
| Item | Typical Added Cost |
|---|---|
| Old deck board removal | $2.00 – $6.00 per sq. ft. |
| Joist or framing repair | $500 – $5,000+ |
| Hidden fasteners | $1.50 – $5.00 per sq. ft. |
| Trex or composite deck railing | $60 – $150 per linear ft. |
| Deck stairs | $500 – $3,500+ |
Trex Decking Cost by Product Line
| Trex Product Line | Installed Cost per Sq. Ft. | Best For |
|---|---|---|
| Trex Enhance | $25.00 – $35.00 | Lower-cost Trex composite decking and simpler deck layouts |
| Trex Select | $32.00 – $42.00 | Mid-range Trex decking with stronger color and finish options |
| Trex Transcend | $40.00 – $50.00+ | Premium Trex decking, upgraded colors, detailed layouts, and higher-end finishes |
Cost by Trex Deck Size
| Deck Size | Estimated Installed Cost |
|---|---|
| 200 sq. ft. | $5,000 – $10,000 |
| 320 sq. ft. | $8,000 – $16,000 |
| 400 sq. ft. | $10,000 – $20,000 |
| 500 sq. ft. | $12,500 – $25,000 |
Is Trex Decking Worth It?
Trex decking is usually worth it when you want a branded composite deck surface with lower maintenance than wood, capped board options, strong product recognition, and matching railing or fascia choices. It may not be the best choice if you want the lowest upfront cost, a natural wood surface, or a deck that stays cooler in direct sun.
Related Deck Cost Guides
References
- Trex
- North American Deck and Railing Association
- American Wood Council: Prescriptive Residential Wood Deck Construction Guide
- NAHB: Building Codes
Last Updated: 6/19/26
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