Expert Custom Deck Builder Serving Eastside King County, WA
For over 25 years, Petra Decks LLC has been turning backyards throughout Eastside King County into stunning, durable outdoor living spaces. As a locally owned, family-run business, we take pride in delivering expert craftsmanship, premium materials, and personalized service rooted in our strong Pacific Northwest heritage.
We specialize in custom deck construction, porches, patios, and advanced waterproofing systems—each designed to withstand the region’s weather while enhancing your lifestyle and boosting your home’s value.
Azek PVC decking installation.
Expert Custom Deck Construction in Eastside King County, WA
From new decks to complete replacements, Petra Decks builds beautiful, long-lasting outdoor spaces tailored to your home. We design and install:
Custom Decks – Modern, low-maintenance, and built to last.
Porches & Patios – Perfect for relaxing or entertaining.
Privacy Screens & Trellises – Stylish shade and privacy solutions.
Under-Deck Waterproofing – Protect and maximize space.
We work with top brands like Trex®, Azek®, TimberTech®, Fiberon®, EVA-Last®, and natural cedar for timeless beauty.
Why Petra Decks Is Eastside King County’s Top Deck Contractor
With over 25 years of expert framing and deck-building experience, Petra Decks combines skilled craftsmanship with deep local knowledge to deliver decks that last a lifetime.
Local Expertise — Serving Sammamish to Bellevue, we understand the unique weather, soil conditions, and permit requirements to build your deck right the first time.
Built on Trust — Transparent communication and reliable service mean many clients return and refer us to their friends and neighbors.
Premium Materials — We use only top brands like Trex®, Azek®, and TimberTech®, plus beautiful natural wood options tailored to your style and needs.
Licensed & Insured — Fully licensed, bonded, and insured in Washington State, providing peace of mind from consultation through project completion.
Explore Beautiful, Custom-Built Decks by Petra Decks —
Proudly Serving Eastside King County
Top Composite Decking Materials We Use for Durable Outdoor Builds
Learn about benefits of Trex decking here
Meet the Crew Behind Petra Decks – Eastside’s Trusted Deck Builders
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 .
Ready to bring your dream deck to life?
Contact Petra Decks today for a free consultation and experience the difference 25+ years of craftsmanship can make!