Custom Deck Construction in Eastside King County, WA

At Petra Decks, we specialize in building premium custom decks that elevate the beauty, functionality, and value of your home. Serving the Eastside King County area—including Sammamish, Snoqualmie, Bellevue, Issaquah, North Bend, Maple Valley, and more—we bring expert craftsmanship to every project.

Your Trusted Local Deck Builder

We’re more than contractors—we’re partners in designing a custom outdoor living space that fits your lifestyle and withstands the Pacific Northwest climate.

• Built for PNW Durability

Rain? Wind? Freeze? No problem. Our decks are constructed with weather-resistant materials that won’t warp, rot, or fade.

• Custom Designs for Every Home

No two backyards—or families—are the same. We tailor every deck to your home’s layout, your preferences, and how you plan to use the space.

• Composite, PVC & Cedar Options

Choose from modern, low-maintenance composite decking or go with natural cedar and hardwoods for timeless appeal.

Deck Construction Services in Eastside King County

We handle every detail, from design to final inspection, ensuring a smooth and high-quality build.

Design & Consultation

• On-site evaluations

• 3D deck renderings

• Permits & HOA submissions assistance

Construction & Materials

• Raised, ground-level, and multi-tier decks

• PVC (Azek), Composite (Trex, TimberTech) and natural wood options with 25-lifetime manufacturer warranties

• Strong, code-compliant framing and finishes with workmanship warranty

Custom Features

• Metal, Cable and Wood railings

• Built-in seating & stairs

• Under-deck waterproofing & drainage systems

• Privacy screens and pergolas

Frequently Asked Questions

What materials do you use for custom deck designs?

As a trusted custom deck builder and professional deck contractor, we specialize in crafting durable, stunning decks using premium materials such as PVC, Composite and Cedar. Every deck is built to withstand the Northwest climate while enhancing your outdoor living space with both style and functionality. Whether you want the low-maintenance convenience of PVC or composite decking or the timeless beauty of cedar, our deck company tailors each design to fit your lifestyle and vision.

Can I see a sample of the materials you use?
Absolutely! We provide a mobile showroom service, delivering samples of our top-quality decking materials—including PVC, Composite-directly to your home. This hands-on experience lets you see, touch, and compare the options so you can feel confident in choosing the right look and performance for your custom deck.

How long does the deck construction process take?

The timeline depends on your project’s size, complexity, and weather conditions. On average, our expert deck contractors complete new deck installations in just a few days to a 2-4 weeks. We prioritize efficient project management while upholding the highest standards of craftsmanship, durability, and attention to detail.

Is the decking and railing material covered under warranty?

Yes! The decking and railing materials we install are backed by manufacturer warranties, which vary depending on the brand and product type. Many composite and PVC decking options come with 25–50 year or even lifetime warranties, while wood decking typically has more limited coverage. As your local deck company, we’ll walk you through warranty details so you can enjoy peace of mind with a long-lasting outdoor investment.

Do you handle all necessary permits for deck construction?

Yes—we assist with permits and HOA requirements. With extensive experience navigating Eastside King County’s permit requirements, our custom deck builders guarantee your deck is built safely, legally, and to the highest industry standards.

How much does a custom deck cost?

The cost of a custom deck depends on size, design, materials, and added features like stairs, railings, or built-in seating. On average, most homeowners in Eastside King County can expect to invest $25–$85 per square foot for a professionally installed deck. We provide detailed, upfront estimates during your free consultation so you can plan confidently and choose the best option for your budget and lifestyle.

Do you build covered decks and outdoor living spaces?

Yes! As a full-service deck contractor, we design and build not only open-air decks but also covered decks, pergolas, patios, and outdoor living areas. Covered decks are a great way to enjoy your space year-round while protecting it from Pacific Northwest rain and sun exposure.

What maintenance is required for different decking materials?

• Cedar Decks – Require staining and sealing every 1–2 years for protection and beauty.

• Composite Decks (Trex, TimberTech) – Low-maintenance, just occasional cleaning with soap and water.

• PVC Decks (Azek) – Virtually maintenance-free, with excellent resistance to moisture, mold, and fading.

As your trusted deck company, we’ll guide you in choosing the right material based on how much upkeep you want.

Do you offer custom railing options?

Yes. We provide a variety of railing choices, including stainless steel cable, metal and composite railings. Our designs prioritize safety, durability, and style—seamlessly matching your deck for a polished, modern, or traditional look.

How do I get started with a custom deck project?

It’s simple! Contact Petra Decks for a free consultation. One of our expert custom deck builders will visit your home, assess your property, share material samples, and create a tailored design and estimate. From there, our team handles permits, construction, and final finishing so you can start enjoying your dream deck.

Why choose Petra Decks over another deck company?

We are a local, family-owned deck company serving Eastside King County with a reputation for craftsmanship, honesty, and personalized service. Customers choose us because we combine premium materials, expert design, and detailed workmanship with friendly communication and stress-free project management.

Start Your Cumberland Deck Project Today

Petra Decks is the custom deck builder Eastside King County you can count on. Whether you’re looking for the natural charm of cedar, the low-maintenance benefits of composite, or the premium look of PVC, our experienced deck contractor team will bring your vision to life.

Contact Petra Decks today to schedule your free consultation.