Custom Deck Builder in West Seattle, WA

Composite & Wood Decks Designed for West Seattle Living

Petra Decks specializes in high-performance composite decks and natural wood decks tailored to your lifestyle and property. From the panoramic views of Alki to the cozy bungalows of Highland Park, we bring 30+ years of framing and design expertise to West Seattle homes.

Why Homeowners in West Seattle Trust Petra Decks

From sloped terrain to salt air and seasonal rain, we understand the unique challenges of building decks in this area—and we know how to build decks that last.

Local Experience, Proven Craftsmanship

With 25+ years of experience, our decks are built to hold up beautifully through Seattle’s ever-changing weather conditions.

Tailored Designs for Every Home

We don’t do one-size-fits-all. Every deck is custom designed to reflect your vision, lifestyle, and property layout.

Premium, Long-Lasting Materials

Choose from low-maintenance composite decking or natural wood like cedar or hardwoods—installed with precision and attention to detail.

Get Inspired by Our West Seattle Deck Projects

Browse our project gallery to see the Petra difference—from sleek modern decks to warm cedar escapes with unbeatable views.

Our Custom Deck Building Services in West Seattle

We manage your project from initial concept to final inspection—handling everything so you can relax and enjoy the process.

Design & Planning

• Site consultation & layout guidance

• 3D renderings & permit assistance

• HOA-friendly plans with your goals in mind

Deck Building & Installation

• Composite decks (Trex, TimberTech, Azek, Fiberon, EVA-Last)

• Natural wood decks: cedar, ipe, mahogany

• Elevated, wraparound, or rooftop decks

Custom Features & Enhancements

• Glass & cable railings for maximum views

• Built-in seating, planters & lighting

• Under-deck waterproofing systems

• Pergolas, privacy screens & stairs

Our Deck Building Options

Composite Decks

We install premium composite materials from top brands like Azek, TimberTech, Trex, Fiberon, and EVA-Last. These decks are:

• Weather-resistant – built for Seattle rain and moisture

• Low-maintenance – no sanding, sealing, or staining

• Stylish – wide range of colors and textures that mimic real wood

Natural Wood Decks

Prefer the warmth and authenticity of wood? We offer durable, classic options like:

• Cedar – naturally rot-resistant and great for a Northwest look

• Hardwoods – for premium longevity and beauty

• Pressure-treated lumber – budget-friendly and reliable

All wood decks are sealed and constructed to stand up to the elements.

Ready to Build Your Dream Deck in West Seattle?

Whether you prefer the clean lines of composite decking or the timeless appeal of cedar, Petra Decks brings your outdoor living vision to life—on time and on budget.

Schedule your free estimate and design consultation today.

West Seattle Neighborhoods We Serve

We proudly build decks throughout West Seattle, including: Alki, Admiral, Arbor Heights, Fauntleroy, Gatewood, Highland Park, Delridge, Seaview, Roxhill, Morgan Junction, Westwood, Lincoln Park.