Deck Design & Construction in Beaverton, OR

Deck Builders of Beaverton

Built for Willamette Valley Weather

Decks That Withstand Rain, Wind & Moisture

Beaverton sees wet winters, moderate snow, and dry summers. We build decks using pressure‑treated framing, sealed or composite decking, and fasteners rated for moisture and corrosion. Proper drainage, airflow under the deck, and durable finishes are standard—so your outdoor space looks great and stays stable through every season.

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Complete Service for Your Project

Design, Permits & Construction in Beaverton

We manage the entire project from layout to final inspection. Whether you’re planning a simple porch, a multi‑level deck, or an outdoor kitchen platform, our team handles design, permit applications with the City of Beaverton, materials sourcing, and construction—so you don’t have to coordinate multiple contractors.

Custom composite, cedar & pressure‑treated wood decks

Covered patios, pergolas & screened‑in porches

Railings, stairs & outdoor kitchens

Backyard composite deck with pergola and dining area in Beaverton OR

Permits Made Simple

Decks Built to Beaverton Building Code

We handle all permitting with the City of Beaverton—including structural plans, zoning checks, inspection scheduling, and final approval. With our local knowledge we navigate the process efficiently so your build stays on schedule and meets all code requirements.

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Moisture-resistant composite deck with wraparound stairs in Beaverton backyard

Engineered for Oregon’s Climate

Decks That Perform in Beaverton Weather

Heavy rain and high humidity demand moisture-smart construction. Our decks resist sagging, warping, and surface breakdown by using sealed framing, composite boards, and under-deck ventilation. Whether your deck is built for sun exposure or shaded by trees, we make sure it holds up through every Pacific Northwest season.

Fit to Your Lot, Style & Budget

Decks That Match Beaverton Homes

From compact lots in Highland to wide backyards in West Beaverton, we design to fit the space and your goals. Whether you're after a small entertainment platform or a large, multi-zone structure, your deck will align with your home’s style, slope, and layout—and meet all city codes and HOA requirements.

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Custom cedar deck with railing and privacy screen in West Beaverton OR

Projects Built Throughout Beaverton

Compact cedar porch deck with stairs and planter boxes in Highland Beaverton

Highland: We design tight-footprint decks and porches that work with smaller lot sizes and older home styles.

Split-level backyard deck with pergola and railing in Denney Whitford Beaverton

Denney Whitford: Decks here often feature privacy railings, pergolas, and stair access to multi-tiered yards.

Elevated deck with glass rail and stairs overlooking slope in West Slope Beaverton

West Slope: We build elevated decks with clear views, wraparound steps, and drainage support for sloped lots.

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About Alliance Deck Builders of Beaverton

Alliance Deck Builders of Beaverton offers hands-on service and expert craftsmanship built for the Pacific Northwest. We’ve completed deck projects across Washington County—from backyard re-decking to commercial patio installations. Our team knows the materials, codes, and weather here, and we bring that knowledge to every job—big or small.

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Residential & Commercial Services

Deck Builders for Every Property in Beaverton

We design and build decks for homes, rentals, restaurants, and retail. Whether you're adding a porch to your bungalow, an ADA-accessible ramp to a business, or a rooftop space downtown, our team handles everything from engineering to finishing—so you get a long-lasting, code-compliant result that looks great.