Foundation Services

A strong foundation is essential to the safety, stability, and longevity of any structure. MTZ Construction provides professional foundation services throughout the Yakima Valley and Central Washington, including new foundation construction, foundation repair, house leveling, structural wood repairs, foundation replacement, and basement conversions. Whether you're building a new home, repairing an aging foundation, or addressing structural issues caused by settlement or wood rot, our experienced team delivers dependable solutions designed to protect your investment for years.

New Foundation

Whether you're building a new home, commercial building, shop, or addition, MTZ Construction provides professionally constructed foundation systems built for long-term strength and stability. From initial excavation to the final concrete pour, our team delivers quality workmanship using proven construction practices to create a solid foundation for your project.

Our new foundation services include:

Residential Foundations
Commercial Foundations
Footings
Stem Walls
Foundation Walls
Crawl Space Foundations
Basement Foundations
Monolithic Slabs
Structural Concrete

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Foundation Repair

Foundation problems can worsen over time if left unaddressed. Whether you're experiencing settlement, cracks, bowing walls, or structural movement, MTZ Construction provides professional foundation repair solutions designed to restore stability and protect your investment. Every project begins with a thorough evaluation to determine the most effective repair approach for your home or commercial property.

Our foundation repair services include:

Foundation Crack Repair
Foundation Stabilization
Settling Foundation Repair
Bowing Foundation Wall Repair
Structural Reinforcement
Foundation Wall Repairs
Foundation Underpinning
Foundation Waterproofing

House Leveling & Structural Wood Repairs

A failing foundation isn't always caused by concrete alone. Water damage, wood rot, deteriorated sill plates, rim boards, beams, and floor framing can all contribute to uneven floors and structural movement. MTZ Construction specializes in identifying and repairing these underlying issues, restoring the structural integrity of your home while addressing the source of the problem. Whether your home requires house leveling, rotten wood replacement, new beams, or crawl space structural repairs, our team has the experience to complete the work safely and correctly.

Our structural repair services include:

House Leveling
Floor Leveling
Sill Plate Replacement
Rim Board Replacement

Foundation Replacement & Basement Conversions

When extensive structural damage or changing needs make repairs impractical, MTZ Construction provides complete foundation replacement and basement conversion services. Whether you're replacing an aging foundation, lifting a home, excavating an existing crawl space, or creating a new basement, our team has the experience and equipment to complete complex structural projects from start to finish.

Our foundation replacement services include:

Complete Foundation Replacement
House Lifting
Basement Conversions
Crawl Space to Basement Conversions
Crawl Space Excavation
Underpinning
Structural Excavation
Existing Foundation Upgrades

Get in Touch

Union Gap, WA

(509) 412-3760

jcontactus@mtzconstructioncompany.com

Why choose us?

Experienced Foundation Specialists – From new foundations and structural repairs to complete foundation replacements, we provide dependable solutions for residential, commercial, and civil projects.
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.

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.

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 complete service areas →

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.