Expert Custom Deck Builder in Eastside King County, WA

 

TimberTech Composite Decking with AZEK Metal Railing Installation in Bellevue, WA – Custom Deck by Petra Decks

 

For over 25 years, Petra Decks LLC has been transforming backyards across Eastside King County into inviting, high-quality outdoor living spaces. As a locally owned and family-run business, we’re proud to deliver expert craftsmanship, premium materials, and personalized service that reflects our deep roots in the Pacific Northwest.

We specialize in custom deck construction, porches, patios, and waterproofing systems, designed to withstand the elements while enhancing your lifestyle and property value.

Custom deck construction in Sammamish, WA . Composite TimberTech Azek decking installation with Trex Signature railing system.

Serving Neighborhoods Across the Puget Sound Region

Petra Decks proudly serves homeowners in Sammamish, Issaquah, Bellevue, Snoqualmie, Maple Valley, and surrounding Puget Sound communities. We specialize in custom composite decks, hardwood decking, and multi-level outdoor living spaces designed to fit your lifestyle and the Pacific Northwest climate.

Our experienced team of designers, project managers, and skilled deck builders brings decades of craftsmanship and local knowledge to every project. At Petra Decks, we streamline your deck project from design to completion—on time and with care.

Whether you're dreaming of a modern composite deck or a classic cedar patio, we’re your trusted deck builders in Eastside King County and the greater Seattle area. Let us help you build something beautiful that lasts.

Service Locations:

Maple Valley, Covington, Black Diamond, Kent, Auburn, Renton, Issaquah, Sammamish, Snoqualmie, North Bend, Redmond, Bellevue, Mercer Island, West Seattle and surrounding areas .

Explore our latest composite deck project in Newcastle, WA—expertly designed for durability, low maintenance, and stunning outdoor living. See why homeowners in Newcastle trust Petra Decks for custom composite decking solutions!

Azek PVC deck construction in Newcastle, Bellevue, WA

Our Expertise in Custom Deck Construction

At Petra Decks, we offer a comprehensive range of services to meet your outdoor living needs:​

  • New Deck Construction: Tailored designs that complement your home's architecture and landscape.​

  • Deck Replacements: Upgrade your existing deck with modern materials and improved structural integrity.

  • Porches & Patios: Create inviting spaces for relaxation and entertainment.​

  • Privacy Screens & Trellises: Add aesthetic appeal and functionality to your outdoor areas.​

  • Covered Decks & Waterproofing: Ensure longevity and year-round usability of your outdoor spaces.​

  • Material Selection: Choose from premium composite brands like Trex, Azek, TimberTech, Fiberon, and EVA-Last, or opt for natural wood options such as cedar to match your style and maintenance preferences.​

What Makes Petra Decks Different?

Deep Local Knowledge
From Sammamish to Snoqualmie to Bellevue, we know the Eastside inside and out. Our expertise goes beyond just building decks — we understand the region’s unique weather patterns, soil conditions, and local permit requirements. That means your deck is built right the first time — on time, up to code, and made to last.

Built on Relationships
We don’t just build decks — we build trust. Our team believes in honest communication, responsive service, and doing what we say we’ll do. That’s why so many of our clients return to us and refer friends and neighbors. Your satisfaction isn’t just a goal — it’s our foundation.

Premium Materials, Always
Petra Decks uses only industry-leading brands like TimberTech, Trex, Azek, EVA-Last, Fiberon, and premium-grade cedar and hardwoods. Whether you want low-maintenance luxury or the natural warmth of real wood, we help you choose the best materials for your style, budget, and climate.

Fully Licensed & Insured
We’re fully licensed, bonded, and insured in Washington State. That means peace of mind — and professionalism you can count on from first consult to final inspection.

Explore Custom Deck Inspiration in Eastside King County – Bellevue, Sammamish, Snoqualmie, Kent & Beyond

Top Composite Decking Materials We Use for Durable Outdoor Builds

Learn about benefits of Trex decking here

Let’s Build Your Dream Outdoor Space

Searching for a trusted custom deck builder in Eastside King County? Browse our Deck Services, explore our Project Gallery, or Contact Us today for a free, no-obligation consultation.

At Petra Decks, we’re passionate about creating outdoor living spaces that are beautiful, functional, and built to last for years to come.