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  • Average homeowner rating star icon4.5
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  • Verified reviews icon197
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Avatar for Groundworks

Groundworks

New on AngiNew on Angi
Approved Pro

Groundworks

New on AngiNew on Angi
Approved Pro
25 years of experience
Free onsite estimate

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!


Avatar for Groundworks

Groundworks

4.56(
140
)
Approved Pro

Groundworks

4.56(
140
)
Approved Pro
Customers say: Quick response
49 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 Groundworks

Groundworks

4.90(
21
)
Approved Pro

Groundworks

4.90(
21
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
22 local quotes requested

Since 1987, Groundworks has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across North-West Washington. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or crawl space. GROUN**76305

"Excellent work by Wyatt, Tucker,Zane and Oliver. Finished a day ahead of schedule. Great communication and explanation of required work. Left with everything cleaned up as if they were never here."

William P on August 2025

Since 1987, Groundworks has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs. Our top priority is providing high-quality home repair solutions and personalized service across North-West Washington. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or crawl space. GROUN**76305

"Excellent work by Wyatt, Tucker,Zane and Oliver. Finished a day ahead of schedule. Great communication and explanation of required work. Left with everything cleaned up as if they were never here."

William P on August 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 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
37 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


"Purchased a 1906 home in North Portland with an uneven foundation that had been patched for 60 years, but needed serious stabilization work. I contacted multiple foundation contractors in the greater-Portland area and Ram Jack was the only team that provided a full worse-case estimate that included everything that I may need to permanently stabilize the home's foundation. Other contractors' estimates were higher, omitted some of the features of Ram Jack's estimate, and involved greater excavation work around the home. While I was collecting estimates, I had multiple contractors check the levels on the house and could see the home was continuing to sink as much as half and inch in some areas within only a few months, so I knew I had to do something soon as the hotter summers are causing significant erosion to the clay soil in north portland. After paying the 50% down payment, I was quickly in touch with multiple project managers and structural engineers who were able to answer my questions as the work plan developed. I work from home and have two cats, so I was a bit worried about the noise and needing to leave at certain times during the work. Ramjack devised a plan of installing 12 helical piers from the basement and 2 outside for a small crawl space area as well as replacing most of the piers in the basement that had water damage. During the excavation and pier installation, I didn't have to leave my house at all, my cats were fine, none of the utilities ever needed to be turned off and none of the neighbors said they heard more than the hum of the generator outside; insane professionalism. The work team kept me informed at every step of the excavation and pier installation and was able to recover an inch of lift with only a few drywall cracks that I patched in a day. I could have gone further, but wanted to avoid any potential damage to the sewer pipes and stay within my budget. During the lifting, I was standing with the lead construction manager who kept me informed of every risk as we lifted the house bit by bit. During the excavation my basement looked insane with mounds of dirt everywhere, but the construction team cleaned everything flawlessly; all I had to do was a quick mop and the basement was good as new again. Overall had a great experience with RamJack; the 20 years in business shows, most everyone I dealt with had been working with them for years; the construction manager had been doing pier installation for 15 years. The work was expensive, but cheaper than the other local contractors, and certainly way cheaper than replacing the entire basement foundation. Ramjack was even able to take a few grand off the intitial worse-case estimate for solutions not needed. Glad I was able to repair my 120 year old home; here's to another 100 years. Big thanks to Pancho and Stephen, as well as the structural engineers and project managers; I'm very happy with the work."

Kevin S on March 2022

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.

"Purchased a 1906 home in North Portland with an uneven foundation that had been patched for 60 years, but needed serious stabilization work. I contacted multiple foundation contractors in the greater-Portland area and Ram Jack was the only team that provided a full worse-case estimate that included everything that I may need to permanently stabilize the home's foundation. Other contractors' estimates were higher, omitted some of the features of Ram Jack's estimate, and involved greater excavation work around the home. While I was collecting estimates, I had multiple contractors check the levels on the house and could see the home was continuing to sink as much as half and inch in some areas within only a few months, so I knew I had to do something soon as the hotter summers are causing significant erosion to the clay soil in north portland. After paying the 50% down payment, I was quickly in touch with multiple project managers and structural engineers who were able to answer my questions as the work plan developed. I work from home and have two cats, so I was a bit worried about the noise and needing to leave at certain times during the work. Ramjack devised a plan of installing 12 helical piers from the basement and 2 outside for a small crawl space area as well as replacing most of the piers in the basement that had water damage. During the excavation and pier installation, I didn't have to leave my house at all, my cats were fine, none of the utilities ever needed to be turned off and none of the neighbors said they heard more than the hum of the generator outside; insane professionalism. The work team kept me informed at every step of the excavation and pier installation and was able to recover an inch of lift with only a few drywall cracks that I patched in a day. I could have gone further, but wanted to avoid any potential damage to the sewer pipes and stay within my budget. During the lifting, I was standing with the lead construction manager who kept me informed of every risk as we lifted the house bit by bit. During the excavation my basement looked insane with mounds of dirt everywhere, but the construction team cleaned everything flawlessly; all I had to do was a quick mop and the basement was good as new again. Overall had a great experience with RamJack; the 20 years in business shows, most everyone I dealt with had been working with them for years; the construction manager had been doing pier installation for 15 years. The work was expensive, but cheaper than the other local contractors, and certainly way cheaper than replacing the entire basement foundation. Ramjack was even able to take a few grand off the intitial worse-case estimate for solutions not needed. Glad I was able to repair my 120 year old home; here's to another 100 years. Big thanks to Pancho and Stephen, as well as the structural engineers and project managers; I'm very happy with the work."

Kevin S on March 2022


Avatar for Iron Earth Construction LLC

Iron Earth Construction LLC

5.00(
3
)
Approved Pro

Iron Earth Construction LLC

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 local quotes requested

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our

"Very accommodating and great service and product"

Sally K on September 2023

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our

"Very accommodating and great service and product"

Sally K on September 2023


Sateren Construction

5.00(
8
)
Approved Pro

Sateren Construction

5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
79 local quotes requested

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Call or click to schedule a free estimate today!

"Obviously Covid has made everything tough, and we had the added complication of doing a remodel in Seattle while living in California. Corey helped navigate both challenges and was a good partner throughout - flexible, always kept us informed of progress/decisions, and super easy to work with. He went above and beyond helping acquire materials and even suggesting ideas that helped make the project a success. Corey brought a great team of subs and he also did a lot of work himself which helped us stay on budget. We were very pleased with the work and the relationship. We’ll definitely use Corey again if need arises."

David H on February 2021

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Call or click to schedule a free estimate today!

"Obviously Covid has made everything tough, and we had the added complication of doing a remodel in Seattle while living in California. Corey helped navigate both challenges and was a good partner throughout - flexible, always kept us informed of progress/decisions, and super easy to work with. He went above and beyond helping acquire materials and even suggesting ideas that helped make the project a success. Corey brought a great team of subs and he also did a lot of work himself which helped us stay on budget. We were very pleased with the work and the relationship. We’ll definitely use Corey again if need arises."

David H on February 2021


BSC Construction

5.00(
8
)

BSC Construction

5.00(
8
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Welcome to BSC Construction, a home repair contractor. We specialize in handyman home repairs, excavation and drainage construction. Our services include: - Drainage construction - Retaining walls - Handyman services - Home repairs - Excavation and grading Contact us today!

"We have been so pleased with BSCs work! The attention to detail was high and they are super responsive when any issues arise. I would recommend them to anyone who wants the job done right and loves a stress free environment!"

Anne C on July 2024

Welcome to BSC Construction, a home repair contractor. We specialize in handyman home repairs, excavation and drainage construction. Our services include: - Drainage construction - Retaining walls - Handyman services - Home repairs - Excavation and grading Contact us today!

"We have been so pleased with BSCs work! The attention to detail was high and they are super responsive when any issues arise. I would recommend them to anyone who wants the job done right and loves a stress free environment!"

Anne C on July 2024


Avatar for Eastside Design studio

Eastside Design studio

5.00(
3
)

Eastside Design studio

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

A full service all in house design and build architecture and construction company. Family owned business with over 30 years of experience handling Design, Architecture, Home Builder, Remodeling, General Contractor for Residential and Commercial.

"Excellent work from architectural design to finish."

Michael M on January 2024

A full service all in house design and build architecture and construction company. Family owned business with over 30 years of experience handling Design, Architecture, Home Builder, Remodeling, General Contractor for Residential and Commercial.

"Excellent work from architectural design to finish."

Michael M on January 2024

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FAQs for house leveling projects in Startup, WA

One starting point to find a local home builder is to collect suggestions from friends and neighbors. However, it’s still wise to do some more research before you hire a builder. Read reviews to supplement any word-of-mouth recommendations. Check sources like Angi that have standards and criteria in place to screen the pros it lists can also help you find more reputable local home builders.

Typically, it’s more affordable to buy an existing home than it is to build a new one. New construction loan interest rates tend to be higher than interest rates for traditional mortgages. Additionally, the cost of materials is likely higher when building a new home than it was when an existing home was built (unless it’s a very new one). You’re also paying for all new appliances, finishes, permits, inspections, and connections for water, gas, and electricity. 

The most common first signs of foundation issues include: 

  • Cracks in the foundation walls that grow

  • Signs of moisture or water leaking through cracks in the foundation

  • Standing water in the basement

  • Sagging floors or walls

  • Cracked walls in upper floors

  • Doors and windows that don’t close properly anymore

Foundation repairs cost about $5,000, on average. Typically, prices range from $2,200 to $7,800, depending on the type and extent of repairs needed. Cost factors include foundation type, home size, soil stability, accessibility, and the ultimate cause of the problem and what methods and materials are required to fix it.

If you’re noticing signs of foundation issues, the first step to fixing a foundation problem is to hire a foundation repair inspector. They will determine the problem, the cause, and the severity before recommending a course of action to repair the foundation. The method for fixing foundation problems depends on the problem and what options are available. A few possible solutions include:

  • Epoxy injections

  • Mudjacking

  • Piers made of steel or concrete

  • Jacks 

  • Hydraulic piers

  • Carbon or steel reinforcement strips

  • Waterproofing materials

The Startup, WA homeowners’ guide to house leveling services

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