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Decks & Outdoor Living

MTZ Construction provides custom deck and outdoor living construction services for residential properties throughout the Yakima Valley, Central Washington, the Tri Cities, and the Seattle metropolitan area for qualifying projects. From custom decks and pergolas to patio covers and outdoor structures, we create outdoor spaces designed for relaxation, entertainment, and year round enjoyment while enhancing the beauty, functionality, and value of your home.

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Decks

Extend your outdoor living space with a custom deck designed for relaxation, entertaining, and everyday enjoyment. MTZ Construction builds durable wood and composite decks that are tailored to your home while providing lasting performance and curb appeal.

Our Services Include:

  • New Deck Construction

  • Deck Replacement

  • Deck Expansions

  • Composite Decking

  • Wood Decking

  • Multi Level Decks

  • Stair & Landing Construction

  • Deck Repairs

Pergolas & Gazebos

Enhance your outdoor space with a custom pergola or gazebo that provides shade, style, and a comfortable gathering area. Whether you're creating a backyard retreat or adding architectural character to your property, we build outdoor structures designed to complement your home.

Our Services Include:

  • Custom Pergolas

  • Wood Pergolas

  • Freestanding Pergolas

  • Attached Pergolas

  • Gazebo Construction

  • Backyard Gathering Spaces

  • Decorative Shade Structures

  • Outdoor Living Enhancements

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Patio Covers & Structures

Create a comfortable and functional outdoor space with custom patio covers and outdoor structures designed to provide shade, protection, and year-round enjoyment. MTZ Construction builds durable outdoor features that complement your home while enhancing the beauty and usability of your outdoor living area.

Our Services Include:

  • Patio Covers

  • Covered Patios

  • Pavilions

  • Shade Structures

  • Freestanding Patio Covers

  • Attached Patio Covers

  • Outdoor Living Structures

  • Custom Outdoor Features

Get in Touch

Union Gap, WA 

(509) 412-3760

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Why choose us?

  • Experienced Deck & Outdoor Living Specialists – From custom decks and pergolas to patio covers and outdoor structures, we provide dependable solutions for residential properties designed to enhance the beauty, functionality, and enjoyment of your outdoor living space.

    Licensed, Bonded & Insured – MTZ Construction is a Washington licensed contractor committed to protecting our customers, employees, and every project we undertake.

  • Project Management From Start to Finish – We coordinate every phase of your project, from planning and permitting to construction and final walkthrough, keeping you informed every step of the way.

  • Quality Workmanship – We take pride in delivering durable, professionally constructed foundations backed by careful planning, quality materials, and attention to detail.

Service Areas

MTZ Construction proudly provides foundation services throughout the Yakima Valley and Central Washington, including Yakima, Selah, Union Gap, West Valley, Terrace Heights, Moxee, Zillah, Sunnyside, Ellensburg, Cle Elum, the Tri-Cities, and the Seattle metropolitan area for qualifying projects.

View our service areas →

Our Process

📞 Consultation & Free Estimate

We discuss your project, answer your questions, and evaluate the site to understand your goals and project requirements.

📋 Detailed Proposal

You'll receive a clear written proposal outlining the scope of work, materials, pricing, and project expectations.

📅 Planning & Scheduling

Once approved, we coordinate permits (when required), order materials, and schedule your project to keep everything on track.

🏗️ Construction

Our team completes the work using quality materials, proven construction practices, and clear communication throughout the project.

✅ Final Walkthrough

​Before we consider the project complete, we perform a final walkthrough to ensure the work meets our quality standards and your expectations.

Quality Assurance - Warranty

MTZ Construction is committed to delivering foundations built for long-term performance and structural integrity. Every project is completed using quality materials, proven construction practices, and careful attention to detail. We stand behind our workmanship and address any workmanship-related concerns in accordance with our warranty terms. Manufacturer warranties remain the responsibility of the respective product manufacturers where applicable.

Financing Available

Flexible financing options are available for qualified customers. Contact us to learn more or visit our Financing page.

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