Deck Builders in Seattle, WA

Custom Deck Design, Construction & Repair

Transform your outdoor space with Seattle’s trusted deck builders.
At MBA Exteriors, we specialize in deck construction, replacement, and maintenance throughout the Seattle area — creating beautiful, durable decks that stand up to the Pacific Northwest climate.

From new deck construction to full renovations and waterproof coatings, our professional crews build quickly, affordably, and with craftsmanship that lasts for decades.

MBA is your one stop shop for all decking and railing needs. We do everything from first time deck construction to complete overhauls of existing deck structures. Our Professional teams build quickly, and affordably to accommodate the needs of the individual.

Whether you want to upgrade your style, repair water damage, or accommodate a growing family, we have you covered. We offer various design choices for the shape, size, and content of your outdoor space.

Custom Deck Design & Construction in Seattle

Whether you’re dreaming of a cozy backyard retreat or a large entertainment space, MBA is your one-stop shop for decking and railing solutions.
We build custom decks designed for your home’s style, your family’s needs, and Seattle’s rainy weather.

Choose from:

• Wood and composite decks

• Low-maintenance PVC decking

• Elevated decks with railings and stairs

• Rooftop and waterproof decks

• Custom sizes, shapes, and finishes

Each deck is built to meet Seattle building codes, engineered for longevity, and backed by our Limited Lifetime Warranty.

Deck Repair, Maintenance & Upgrades

Already have a deck? We can restore and protect your existing deck to make it look new again.

Common services include:

• Replacing rotted boards or railings

• Repairing water damage or soft spots

• Sanding and refinishing

• Waterproof coating and sealing

• Structural reinforcement

Regular maintenance extends your deck’s lifespan and prevents costly replacements. We offer annual maintenance plans to keep your deck in perfect condition year-round.

Waterproof Decking Solutions for Seattle’s Weather

Seattle’s climate can be tough on decks — that’s why we offer the latest waterproof decking systems using TUFFLEX POLYMERS and Tufdek® products.

These high-performance coatings are:

• Waterproof & abrasion resistant

• Ideal for flat decks, patios, and walkways

• Originally engineered for industrial applications

• Rated for 20+ years of deck protection

• Available in Cool-Step™ colors that stay up to 50% cooler

As an Authorized Tufdek® Dealer, MBA delivers unmatched quality and protection for your outdoor living space.

Deck Inspiration & Design Ideas

Looking for ideas for your next project?
Our deck designers can help you create:

• Multi-level decks for hillside homes

• Covered decks with lighting and ceiling fans

• Outdoor kitchens and fire pits

• Glass or cable rail systems for modern aesthetics

• Hot tub and spa decks

Bring us your inspiration photos or Pinterest boards — we’ll turn your vision into reality.

We Can Build, or Maintain your Deck!

• New Deck Construction
• Wood and Composite Decks
• Maintenance and Repair
• Customized deck size and design
• Patios, Stairs and Railings

Deck Construction / Maintenance comes with a limited life time warranty. Set up an appointment for a free estimate and to get details! 206.753.9563

Why Seattle Homeowners Choose MBA Exteriors

• 18+ years of experience in Seattle deck building and outdoor remodeling

• Licensed, bonded, and insured

• Fast, clean installations with transparent pricing

• Certified installers for Tufdek® and TUFFLEX POLYMERS

• Expert design consultation for materials, color, and layout

• Local expertise in deck building for the Pacific Northwest climate

We’ve helped hundreds of Seattle homeowners transform their outdoor spaces — from Ballard to Bellevue and beyond.

Deck Materials We Offer

We build decks using premium materials designed for Seattle’s moisture-rich environment:

Frequently Asked Questions

How much does deck building cost in Seattle?
Deck costs vary based on size and material, but most Seattle decks range from $12,000 to $35,000+. Composite and waterproof systems are more expensive but last decades with minimal upkeep.

Do I need a permit to build a deck in Seattle?
Yes — MBA Exteriors handles all required city permits and code compliance.

How long does deck construction take?
Most projects take 5–10 business days, depending on design and weather.

What’s the best decking material for Seattle’s rain?
Composite or PVC decking is ideal — resistant to rot, moisture, and mold.

Do you offer warranties?
Yes! Every MBA deck installation includes a Limited Lifetime Warranty on workmanship and materials.

Schedule Your Free Deck Consultation

Ready to transform your backyard?
Call MBA Exteriors today at 206-753-9563 or request a free estimate online.

We proudly serve homeowners in Seattle, Bellevue, Redmond, Shoreline, Everett, and Kirkland, specializing in deck construction, waterproof decking, and custom outdoor living spaces.