Our work
Take your deck from old to outstanding.
Composite, PVC, Trex®, TimberTech®, and natural hardwoods — custom decks across the Portland metro.
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Composite, PVC, Trex®, TimberTech®, and natural hardwoods — custom decks across the Portland metro.
Over 25 years, an owner who's on your project, and crew leaders with an average of 15 years of deck and outdoor-living experience. Trex® and TimberTech® certified. A collaborative design-build process from first sketch to final walkthrough.
A fully custom design, not a pre-built template.Designed around your home and how you live outdoors.
Long-term durability and quality craftsmanship.Built to outlast — only the highest-quality materials.
A collaborative design process.From first sketch to final walkthrough, you're in the loop.
We meet, learn your vision, and bring our own ideas — photos, plans and wish-lists welcome.
An initial plan with pricing across a range of materials, shaped together until it's right.
A dedicated project lead keeps you updated at every phase, with clear communication throughout.
We walk the finished project together, review the warranty, and hand over your new space.
"…the beauty of the mahogany wood used makes a stunning improvement to my house and in my opinion adds many thousands of dollars to my home's value. The project far exceeded all my expectations."
"The Three Rivers crew did an outstanding job with our new composite deck… This new deck will probably outlast the house it is connected to."
"The quality of the work is absolutely top notch — I wish my house was built as well as the decks."
"Jim Gates — the owner — and his crew were great to work with… the difference was in the details."
Covered structures, outdoor kitchens, integrated lighting and sound, fire features, multi-level layouts — tailored to your home and how you want to use the space.
Covered structuresOutdoor kitchens
Lighting & sound
Fire features
Multi-level layouts
Stairs & stepsTell us about your project — we'll bring the ideas.