Supremax Construction LLC

We recognize our primary asset is people and we provide the opportunity and encouragement to help our people reach their potential. We work with our clients as a team. Mutual respect provides the foundation for our success.

We remain true to our founding values of quality, honesty and hard work. We have the highest ethical standards in the industry. We “do the right thing.” We are a business based on trust, consistently associated with the high standards of service, quality, personal attention to clients and integrity. Because of this reputation the company has the privilege of leading some of the highest profile, often one-of-a-kind, projects.

We are proactive in finding solutions for our clients that best achieve their goals. We understand that lasting relationships are the lifeblood of our business so we pay personal attention to our clients by focusing on them as individuals. Our founder, referred to our clients, appropriately, as our “respected friends.”

We strive to eliminate worksite incidents through pre-planning construction activities with safety engagement commencing at project pursuit. These standards along with our policies, mandatory safety inspections and training programs have created a comprehensive and effective safety organization.



  • Driveways

  • Stone Patios

  • Walkways

  • Retaining Walls

  • Terrace Gardens

  • Landscape Design

  • Concrete Work

  • Interlocking Pavers
  • Water Features & Pools

  • Fencing & Gates
  • Exterior Kitchens

  • Decking & Outside Lounges

  • Trees & Plants
  • Gate Installations
  • Barrier & Security Gates
  • Parking Gates
  • Remote Control Gates
  • Gate Transmitters & Keypads
  • Commercial Services
  • Residential Services

Contact Us

Are you looking for Hardscape Design & Installation services? Or Gate Installation and Repair? Feel free to give us a call, email us or fill out the contact form. Get a FREE ESTIMATE today! We are here to answer any of your questions.

Supremax Construction LLC

Diego Costa

13110 NE 177th PL. #325, Woodinville, WA 98072
Direct: 425.633.7927

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