Whether you’re planning a cozy backyard deck for family barbecues or envisioning a multi-level showpiece with a built-in jacuzzi and pool, King County Decks delivers expert craftsmanship and timeless design tailored to your space.
With over 15 years of experience in residential construction through our founding company, MJK Construction, we bring the same level of precision and professionalism to every deck we build—now with a specialized focus on outdoor living. From Bellevue to Seattle, Tacoma to Redmond, and across Kirkland and Mercer Island, homeowners trust King County Decks to turn ideas into functional, stunning outdoor extensions of their homes.
Built Around Your Needs
No two homes—or homeowners—are alike. That’s why we approach each project with custom solutions and flexible material options. Whether you’re seeking affordable pressure-treated wood for a simple build or high-end composite and hardwood materials for a luxury finish, we can source it, build it, and make it last.
Clear, Honest Estimates
Our quoting process is straightforward and transparent. We’ll walk you through every cost before construction begins—no hidden fees, no vague allowances, and no surprises. Just clarity, accuracy, and honest communication from start to finish.
Design Without Limits
Our team is experienced in projects of all sizes and challenges:
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Small family decks with pergolas and built-in seating
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Modern rooftop platforms for townhomes
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Elegant, tiered structures for sloped yards
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Fully engineered, three-story decks with integrated lighting, pools, hot tubs, and stair systems
No matter the complexity, we handle the design, permitting, and construction process with precision and care.
Serving Bellevue, Seattle, Kirkland, Tacoma, Redmond, Mercer Island, and surrounding areas — King County Decks is your trusted partner for decks that last.
