Top-rated foundation repair specialists.

Get matched with top foundation repair specialists in Seatac, WA

There are 9 highly-rated local foundation repair specialists.

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TRUSTED BY SEATAC, WA HOMEOWNERS

  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon125
    Verified foundation repairs reviews

Find Foundation repair specialists in Seatac

Avatar for Wu Construction

Wu Construction

4.76(
186
)
Approved Pro

Wu Construction

4.76(
186
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
31 local quotes requested

Wu Construction Inc, specializes in drainage and foundation systems construction and repair. Since our founding in 1983, we have successfully completed thousands of projects for homeowners and businesses throughout the Northwest. We are the best in our industry, and well regarded by our customers for our excellent service. We are lauded for our speedy responses to inquiries, our efficiency and the quality of our work.

"Great communication and thorough work. Would hire again."

Brian J on April 2025

Wu Construction Inc, specializes in drainage and foundation systems construction and repair. Since our founding in 1983, we have successfully completed thousands of projects for homeowners and businesses throughout the Northwest. We are the best in our industry, and well regarded by our customers for our excellent service. We are lauded for our speedy responses to inquiries, our efficiency and the quality of our work.

"Great communication and thorough work. Would hire again."

Brian J on April 2025


"Very well. They worked diligently for two days to do the repair."

Bonnie L on October 2025

At Ram Jack West, we treat customers with respect and care. If you notice cracks, damages, or other issues with your foundation, our team is ready to help. We have innovative systems that have been refined over our 40+ years of experience.

"Very well. They worked diligently for two days to do the repair."

Bonnie L on October 2025


Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

5.00(
10
)
Approved Pro

TerraFirma Foundation Systems

5.00(
10
)
Approved Pro
Customers say: Quick response
79 local quotes requested
20 years of experience

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"Great; competitive price, installation went great, friendly and responsive staff in person and office"

Andrew M on February 2020

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"Great; competitive price, installation went great, friendly and responsive staff in person and office"

Andrew M on February 2020


Avatar for Groundworks

Groundworks

4.56(
140
)
Approved Pro

Groundworks

4.56(
140
)
Approved Pro
Customers say: Quick response
43 local quotes requested
28 years of experience

Groundworks, formerly, Matvey Foundation Repair is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues. We raise and level concrete pavements, driveways, and sidewalks. We also offer basement waterproofing. Our expert design technicians provide professional services for commercial, residential, industrial, government, and municipal applications with award-winning products and superior customer service. CALL US TODAY FOR A FREE ESTIMATE! GROUN**76305

"Very informative. Clear and concise. Gave us many options. Daniel is a wonderful and honest person and was so helpful with our questions. The crew lead by Anthony, with Jordan, Uriel, and Richard did professional work. The finished product is wonderful and can already feel the results in the house. Would 1000% recommend. Just keep in mind it is a very messy job. These guys do the best they can to keep it clean"

Charles W on May 2025

Groundworks, formerly, Matvey Foundation Repair is the leading structural and concrete repair firm in Western Washington. We specialize in repairing residential and commercial foundations, concrete slabs, bowing/cracked basement walls, sinking floors, concrete porches, settling/cracked foundations, and other structural issues. We raise and level concrete pavements, driveways, and sidewalks. We also offer basement waterproofing. Our expert design technicians provide professional services for commercial, residential, industrial, government, and municipal applications with award-winning products and superior customer service. CALL US TODAY FOR A FREE ESTIMATE! GROUN**76305

"Very informative. Clear and concise. Gave us many options. Daniel is a wonderful and honest person and was so helpful with our questions. The crew lead by Anthony, with Jordan, Uriel, and Richard did professional work. The finished product is wonderful and can already feel the results in the house. Would 1000% recommend. Just keep in mind it is a very messy job. These guys do the best they can to keep it clean"

Charles W on May 2025


Avatar for Neet Construction

Neet Construction

No reviews yet

Neet Construction

No reviews yet
2 years of experience

We are a small family owned land clearing, excavation, and remodeling business in Snoqualmie Pass. We have years of experience with excavation, hardscaping, tree work, and small to large remodeling jobs. Let us know how we can help you and bring your vision to life!

We are a small family owned land clearing, excavation, and remodeling business in Snoqualmie Pass. We have years of experience with excavation, hardscaping, tree work, and small to large remodeling jobs. Let us know how we can help you and bring your vision to life!


Durango Concrete LLC

No reviews yet

Durango Concrete LLC

No reviews yet
1 years of experience

With 25+ years of experience in the concrete industry, we specialize in providing comprehensive concrete solutions for a wide range of projects. Our services encompass everything from residential driveways to commercial flooring. We offer expert concrete pouring, finishing, repair, and decorative concrete services, ensuring that each project is completed with precision and durability. So far in our line of business, we have honed our craft, mastering the art of concrete work to deliver superior results that exceed expectations. Our focus on reliability, integrity, and attention to detail ensures that every project is completed to the highest standards, providing lasting value for our clients. As a concrete business with 25+ years of experience, we have a proven track record of success and a deep understanding of the industry. Our team consists of seasoned professionals who bring a wealth of knowledge and expertise to every project. Owner-operated and with a hands-on approach, we take pride in delivering personalized service and tailored solutions to meet our clients' unique needs. Whether you're embarking on a residential construction project or managing a large-scale commercial development, you can trust us to deliver exceptional concrete solutions that stand the test of time. Contact us today to discuss your project requirements and experience the difference our decades of experience can make.

With 25+ years of experience in the concrete industry, we specialize in providing comprehensive concrete solutions for a wide range of projects. Our services encompass everything from residential driveways to commercial flooring. We offer expert concrete pouring, finishing, repair, and decorative concrete services, ensuring that each project is completed with precision and durability. So far in our line of business, we have honed our craft, mastering the art of concrete work to deliver superior results that exceed expectations. Our focus on reliability, integrity, and attention to detail ensures that every project is completed to the highest standards, providing lasting value for our clients. As a concrete business with 25+ years of experience, we have a proven track record of success and a deep understanding of the industry. Our team consists of seasoned professionals who bring a wealth of knowledge and expertise to every project. Owner-operated and with a hands-on approach, we take pride in delivering personalized service and tailored solutions to meet our clients' unique needs. Whether you're embarking on a residential construction project or managing a large-scale commercial development, you can trust us to deliver exceptional concrete solutions that stand the test of time. Contact us today to discuss your project requirements and experience the difference our decades of experience can make.




Malau visions llc

No reviews yet

Malau visions llc

No reviews yet

Transforming spaces with precision and beauty, our concrete and landscaping business is your go-to destination for creating stunning outdoor sanctuaries. From expertly crafted driveways and walkways to landscape designs, we bring your visions to life. With our attention to detail and a passion for quality, we build foundations that endure and landscapes that enchant. Experience the artistry of concrete and the allure of nature, all in one exceptional service."

Transforming spaces with precision and beauty, our concrete and landscaping business is your go-to destination for creating stunning outdoor sanctuaries. From expertly crafted driveways and walkways to landscape designs, we bring your visions to life. With our attention to detail and a passion for quality, we build foundations that endure and landscapes that enchant. Experience the artistry of concrete and the allure of nature, all in one exceptional service."


Avatar for Iconiq Construction

Iconiq Construction

No reviews yet

Iconiq Construction

No reviews yet
11 years of experience

We are family owned and operated, with over 25 years of experience in the remodeling industry. We specialize in kitchens, bathrooms, room addition, roofing, painting ,concrete, block walls, drywall, vinyl & hardwood floors, basement remodeling and much more! We also offer complete architectural services for the interior of your home. Whether you are remodeling or building from scratch, we can help. We provide our clients with a one on one experience starting from consultation all the way to final installation. We use only professional grade materials that hold up to everyday use and flex with your homes needs. We understand customer's needs and work according to the customers vision. Our team of professionals provides you with a great service, at an affordable price. It's your home, our job is to make it better!

We are family owned and operated, with over 25 years of experience in the remodeling industry. We specialize in kitchens, bathrooms, room addition, roofing, painting ,concrete, block walls, drywall, vinyl & hardwood floors, basement remodeling and much more! We also offer complete architectural services for the interior of your home. Whether you are remodeling or building from scratch, we can help. We provide our clients with a one on one experience starting from consultation all the way to final installation. We use only professional grade materials that hold up to everyday use and flex with your homes needs. We understand customer's needs and work according to the customers vision. Our team of professionals provides you with a great service, at an affordable price. It's your home, our job is to make it better!

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Foundation Repair questions, answered by experts

Most of the time, normal foundation settling will present as thin cracks in the foundation and minor creaks in the floorboards. In contrast, you can identify foundation issues by wide or uneven foundation cracks, horizontal or step-shaped gaps on the foundation wall, or cracks that go around corners of your foundation. Foundation problems can also cause changes in your living area, like increased humidity, uneven or sloping floors, nail pops in drywall, countertops pulling away from the wall, and windows and doors getting stuck. When in doubt, call in a professional to identify the underlying cause.

A slab-on-grade or slab foundation is a great option in many areas—usually in warm or moderate climates—and has been a successful foundation style for many decades. Slab foundations don’t require excavation or concrete block wall construction, so they’re the least expensive foundation type. They’re also the fastest to construct and don’t have many issues with moisture or water intrusion. However, they don’t give you extra storage space or potential living space like a crawl space or basement would, and they’re not ideal in colder areas where utility lines can freeze and frost heave can cause major damage.

Foundation settling is normal and expected if just a small amount of settlement occurs within a year or so after construction. This usually results in hairline cracks in the foundation, which aren’t typically a problem. If settlement occurs years after construction, unevenly under your home, or results in signs of structural damage, then it could be very serious. Foundation stabilization and drainage system installation to fix unnatural settlement can cost tens of thousands of dollars and compromise the structural integrity of your entire home.

Most single-story homes don't have foundations strong enough to support a second story, but they can be reinforced for an addition. A structural engineer can assess your foundation and what needs to be done to get it ready. They'll look at any cracks or unevenness in your current foundation and consider any special framing or beams your home needs, especially if it’s in a high-wind or hurricane area.

“To support a second story, many structural engineers will require that you install additional concrete piers in the crawlspace,” says Tschudi. “This involves hand excavating, pouring a large concrete footing—usually with specially coated rebar—and then building concrete piers right up to the girders.”

You have different options depending on the scale of repair needed. If you are repairing minor cracks that are between ¼ inch to 1.5 inch wide and less than half an inch deep, a self-leveling polyurethane sealant would be your best choice. Polyurethane sealants dry to the touch within one to two hours. Since they come in a tube applier, you also have the option to complete the repair without emptying out your garage.

The Seatac, WA homeowners’ guide to foundation repairs

From average costs to expert advice, get all the answers you need to get your job done.

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