perfect customer rating
verified customer reviews
time & on budget — always
Professional deck builder serving Seattle, WA and surrounding areas.
Quality service for homeowners
Solutions for businesses
No-obligation quotes
Available when you need us
Experienced, reliable professionals
Fast turnaround available
100% satisfaction promise
Regular service agreements
From cedar to composite, simple to showstopper — we design and build decks that become the favorite room in your house. The outdoor one.
📞 Call Now: (206) 581-8085MJ NORTHWEST CONSTRUCTION LLC has built a strong reputation in Seattle, WA through consistent quality work and honest communication. Our 5-star rating across 11+ reviews reflects our commitment to getting every job right.
From the first phone call to the final walkthrough, we treat every property like it's our own. No cutting corners, no hidden fees — just reliable deck builder you can count on.
Call for a Free Estimate →Tell us what you need and we'll get back to you fast.