

The Benefits of Composite Deck Installation
Composite decking is engineered to provide durability and aesthetic appeal without the maintenance of cedar or pressure-treated wood. In Oregon, where moisture and temperature swings are common, composite decks resist rot, mold, and fading far better than wood can. This makes them ideal for both year-round living and investment value. Our crews install premium products from trusted brands like Trex, TimberTech, and Fiberon, offering various colors, textures, and grain patterns to complement your home's exterior. You’ll also benefit from capped composite boards that lock out moisture and come with extended warranties.
Built to Last with Warranty-Backed Products
Every composite deck we build is crafted for long-term performance and homeowner peace of mind. We take time to prepare solid footings, proper framing, and hidden fasteners that ensure clean aesthetics and structural integrity. From stairs to skirting, railings to recessed lighting, our builds are fully customizable and installed with care by licensed professionals. Homeowners across Oregon appreciate that composite decks don’t just look amazing — they hold up beautifully through wet seasons and sun-drenched summers alike.
Moisture-Resistant and Won’t Warp
Fade-Proof Color with UV Protection
Backed by 25–50 Year Manufacturer Warranties

Whether you’re entertaining friends or relaxing with family, a composite deck gives you a clean, secure space to enjoy Oregon’s natural beauty. These decks don’t splinter, peel, or warp — even when exposed to rain, snow, or heat. We help you choose the right layout, board style, railing design, and add-ons like integrated lighting or drink rails. Want built-in seating or planter boxes? No problem. From a cozy backyard patio to a sprawling rooftop entertainment space, we make composite decks that feel like an extension of your home — only better.

Our team has installed hundreds of composite decks across Oregon — from Medford to Portland and everywhere in between. We’re licensed, insured, and up to date on local building codes, permitting, and HOA guidelines. Every job starts with a site evaluation and design consultation, where we’ll discuss layout, access, and material options. We also inspect for any necessary repairs or structural upgrades before we build. By combining precise craftsmanship with top-tier brands, we ensure your new deck is safe, functional, and visually striking.
Every homeowner has a different vision — and we’re here to bring yours to life. Some clients want a sleek, modern composite platform to frame their hot tub. Others prefer multi-level decks that step down to landscaped yards or garden spaces. No matter your style, our composite solutions include hidden fasteners, color-matched railings, and optional features like benches, fire pits, and pergolas. We’ll walk you through your choices, provide a transparent quote, and deliver a finished product that looks great and lasts.

Weather-Resistant Materials: Long-lasting boards that resist Oregon’s rain and sun.
No-Stain, No-Splinter Finish: Smooth surface stays safe and attractive year-round.
Licensed & Insured Crews: Every project is built by certified Oregon professionals.
Fast, Code-Compliant Builds: Permitting handled, timelines honored, quality guaranteed.
Fully Custom Designs: Every composite deck tailored to your space and style.
Don't worry, we can help!
We’re not a one-size-fits-all builder. Your new composite deck is crafted to match how you live and how you use your space — whether that’s quiet evenings with family or big backyard gatherings. Our team walks you through every option, from board colors to lighting styles, ensuring every detail fits your lifestyle. We also provide detailed timelines, warranty information, and regular communication throughout the project, so you’re never left guessing. It's your home — let’s make it shine.
Flexible Designs for All Backyard Layouts
Multiple Color & Texture Options Available
Complete Turnkey Service, Start to Finish
A composite deck is more than just an upgrade — it’s a long-term investment in your property’s function, appearance, and resale value. Unlike wood, composite decking won’t crack, twist, or require yearly maintenance. Most manufacturers back their materials with 25–50 year warranties, and our workmanship is also fully guaranteed. We build to last, and we stand behind every job. Our clients choose us not just for the build — but for the experience, the communication, and the final result.
Here are the most common questions we get from clients considering composite deck installation — plus straightforward answers to help you decide what’s right for your home.
Most composite brands offer 25–50 year warranties. With proper installation, your deck can easily last decades without major maintenance.
Yes upfront, but it saves money long-term. You won’t need to sand, stain, seal, or replace boards nearly as often as wood.
High-quality composite decking includes textured surfaces for better grip, making it safe even in rainy conditions common in Oregon.
Sometimes, yes. We inspect your existing framing first to ensure it’s structurally sound and compatible with composite material requirements.

Tailored designs that match your space, vision, and budget—built to last and code-compliant from day one.

Low-maintenance decking in top brands like Trex and TimberTech, resistant to fading, warping, and moisture.

Classic wood decks using durable cedar or pressure-treated pine for beauty and budget-friendly performance.

From loose rails to sagging joists, we restore safety and stability with expert inspections and repairs.

Bring your old deck back to life with sanding, staining, board replacement, and sealing services.

Tiered decks for sloped yards or high elevations—engineered for access, drainage, and scenic views.

Expand or re-surface existing structures with new materials and added square footage—without full teardown.

Protect your space from sun and rain with gable, shed, or flat roof additions built to match your home.

Bug-free outdoor spaces or four-season comfort, built with framing, screens, windows, and insulation.

Deck-based kitchens with built-in grills, sinks, and prep space for serious backyard cooking.

Custom shade structures built standalone or on your deck—cedar, vinyl, or composite options available.

Moisture-resistant decks designed for safety and slip resistance around water features.

Fully framed outbuildings designed to store tools, lawn gear, or serve as workshops or guest suites.

Choose from wood, metal, cable, or composite rail systems—plus safe and stylish stair designs.

Built to code and designed for business—rooftops, patios, and seating decks for commercial spaces.

Innovation
Fresh, creative solutions.

Integrity
Honesty and transparency.

Excellence
Top-notch services.
Whether you’re looking to entertain, relax, or just step outside more often, Alliance Deck Builders of Oregon is ready to help. We design and build decks that match your vision, work with your space, and last through years of Oregon weather. Reach out now for a quote — and let’s turn your yard into something you love.

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