
Get matched with top foundation repair specialists in Seatac, WA
There are 9 highly-rated local foundation repair specialists.
Need a pro for your foundation repair project in Seatac, WA?
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Verified Reviews for Foundation Repair pros in Seatac, WA
*The Angi rating for Foundation Repair companies in Seatac, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.
*The HomeAdvisor rating for Foundation Repair companies in Seatac, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Foundation Repair needs.
Last update on December 06, 2025
Find Foundation repair specialists in Seatac

Wu Construction
Wu Construction
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

Ram Jack West - Seattle
Ram Jack West - Seattle
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
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

Groundworks
Groundworks
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

Supreme Home Improvements
Supreme Home Improvements
Were a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!
"We had a lot of crumbling mortar in our basement walls and were worried about water getting in. Pro Mass Foundation and Masonry came in and did a fantastic job repointing everything. The guys were friendly, showed up on time, and kept us updated as they worked. Our basement looks solid now and we feel much more secure."
Arnob D on October 2025
Were a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!
"We had a lot of crumbling mortar in our basement walls and were worried about water getting in. Pro Mass Foundation and Masonry came in and did a fantastic job repointing everything. The guys were friendly, showed up on time, and kept us updated as they worked. Our basement looks solid now and we feel much more secure."
Arnob D on October 2025

TerraFirma Foundation Systems
TerraFirma Foundation Systems
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

TerraFirma Foundation Systems
TerraFirma Foundation Systems
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.
"Had a sump pump installed. Haven’t had a repeat of the problem."
Edward H on December 2025
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.
"Had a sump pump installed. Haven’t had a repeat of the problem."
Edward H on December 2025

Ram Jack West
Ram Jack West
We're dedicated to providing our clients with the very best in foundation repair, house lifting, pile driving, drilling and a variety of other projects. With over 15 years of industry experience, we take an enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.
"The sales man offered me leveling and light of my foundation. The end result was my doors not being able to close, more cracking in my sheet rock on the walls and on the ceiling. The house is not level and now Iâ  m seeking options to fix this whole debacle. Ram Jack West is sales based, not service based. Please do research before you make a $30,000 to have hire a company to repair your foundation, working with them is one of my biggest lifetime regrets."
Steven R on September 2023
We're dedicated to providing our clients with the very best in foundation repair, house lifting, pile driving, drilling and a variety of other projects. With over 15 years of industry experience, we take an enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.
"The sales man offered me leveling and light of my foundation. The end result was my doors not being able to close, more cracking in my sheet rock on the walls and on the ceiling. The house is not level and now Iâ  m seeking options to fix this whole debacle. Ram Jack West is sales based, not service based. Please do research before you make a $30,000 to have hire a company to repair your foundation, working with them is one of my biggest lifetime regrets."
Steven R on September 2023

North Pacific Masonry and Construction, LLC
North Pacific Masonry and Construction, LLC
North Pacific Masonry & Construction is Seattles full-service masonry expert, specializing in the essential protection and restoration of your property. We provide critical foundation repair and waterproofing to combat local moisture and ensure your home's stability and dryness. Our skilled masons are also highly experienced in complete chimney repair and restoration, from flue lining to structural rebuilds. From concrete work to decorative stone and brick, we handle all other forms of masonry, delivering quality craftsmanship that lasts. Trust us to secure, restore, and maintain your most vital structures.
"Had Dave and Matt install a new roof on our home very happy with the outcome would highly recommend "
sarah m on November 2025
North Pacific Masonry & Construction is Seattles full-service masonry expert, specializing in the essential protection and restoration of your property. We provide critical foundation repair and waterproofing to combat local moisture and ensure your home's stability and dryness. Our skilled masons are also highly experienced in complete chimney repair and restoration, from flue lining to structural rebuilds. From concrete work to decorative stone and brick, we handle all other forms of masonry, delivering quality craftsmanship that lasts. Trust us to secure, restore, and maintain your most vital structures.
"Had Dave and Matt install a new roof on our home very happy with the outcome would highly recommend "
sarah m on November 2025
Ground Force Paving & Masonry Specialists LLC
Ground Force Paving & Masonry Specialists LLC
We pride our company on reliability, great communication, integrity, and quality work. Our top priority is customer satisfaction and will go the extra mile. We are experts in our trade and will work with you from conception to competition. We strive in making all clients, repeat clients. Call us today you will be relieved you did. Thank you
We pride our company on reliability, great communication, integrity, and quality work. Our top priority is customer satisfaction and will go the extra mile. We are experts in our trade and will work with you from conception to competition. We strive in making all clients, repeat clients. Call us today you will be relieved you did. Thank you

Groundworks
Groundworks
Based in Phoenix, AZ, we specialize in foundation repair, basement waterproofing, concrete leveling, and crawl space repair. Serving Arizona, we deliver reliable solutions for businesses and commercial properties. Contact us today!
Based in Phoenix, AZ, we specialize in foundation repair, basement waterproofing, concrete leveling, and crawl space repair. Serving Arizona, we deliver reliable solutions for businesses and commercial properties. Contact us today!
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.

Staying ahead of foundation problems can save you time and effort. Learn how much foundation inspections cost and what affects how much you’ll pay.

When a sill plate begins to crumble, it needs to be replaced ASAP. But how much does sill plate replacement cost? Here's what you need to know.

Unstable or sinking foundations require comprehensive and expensive solutions. Learn about foundation underpinning costs in this guide to set your budget.
If your area is going through a drought, it can affect your home as well. Learn how to spot drought foundation problems and what you can do to prevent these effects.
The soil type under your house can impact your home's foundation. Learn the different foundation soil types and their effect so you can feel secure in your home.

Foundation repair affects home value, but how it affects the value depends on the type of repair, the underlying issue, and who does the work for you.
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
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