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Average homeowner rating star icon4.5
Average homeowner rating
Verified reviews icon37
Verified foundation repairs reviews

Foundation repair specialists in Lopez Island

Avatar for Groundworks
Groundworks
18915 16th Ave S
4.43(
161
)
Approved Pro
Groundworks
18915 16th Ave S
4.43(
161
)
Approved Pro
Customers say: Super punctual
74 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!

"Groundworks were contracted to encapsulate the crawl space, with a dehumidifier, intellijacks & sump pump. The inspector showed us pictures & videos of what the work would look like on completion, & explained how each solution would be installed. They tried to charge me more for vent covers until I showed them the contract covering this part. The foreman told me there was a reset button for the sump pump to be installed on an exterior wall, but they did not install it, instead said they would put in a service order. I haven’t heard anything about this issue yet. When they installed the moister barrier, they excluded the cement pads I was told it cost extra to have them covered. When I signed the contract, I was never told there would be extra charges for vent covers or cement pads to be covered. The contract I signed covered a complete encapsulation, but this is not what I got. This is a bait & switch. I would not recommend Groundworks."

Fran F on March 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!

"Groundworks were contracted to encapsulate the crawl space, with a dehumidifier, intellijacks & sump pump. The inspector showed us pictures & videos of what the work would look like on completion, & explained how each solution would be installed. They tried to charge me more for vent covers until I showed them the contract covering this part. The foreman told me there was a reset button for the sump pump to be installed on an exterior wall, but they did not install it, instead said they would put in a service order. I haven’t heard anything about this issue yet. When they installed the moister barrier, they excluded the cement pads I was told it cost extra to have them covered. When I signed the contract, I was never told there would be extra charges for vent covers or cement pads to be covered. The contract I signed covered a complete encapsulation, but this is not what I got. This is a bait & switch. I would not recommend Groundworks."

Fran F on March 2025


Avatar for Ram Jack West - Seattle
Ram Jack West - Seattle
19904 Des Moines Memorial Dr S
5.00(
25
)
Approved Pro
Ram Jack West - Seattle
19904 Des Moines Memorial Dr S
5.00(
25
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
31 local quotes requested

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.

"Came out and inspected. Found that my foundation was just fine. Noted a non serious slope in basement slab, but said it could wait a long time. Didn’t need to spend 20-30k on a fix."

Steve G on January 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.

"Came out and inspected. Found that my foundation was just fine. Noted a non serious slope in basement slab, but said it could wait a long time. Didn’t need to spend 20-30k on a fix."

Steve G on January 2025


Avatar for Groundworks
Groundworks
18931 59TH AVE NE
4.82(
17
)
Approved Pro
Groundworks
18931 59TH AVE NE
4.82(
17
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
22 local quotes requested

In 2006, Dan Malsch founded Rainy Day Crawl Space & Basement and brought residential and commercial foundation repair solutions to the north western Washington area. In 2024, Rainy Day Basement & Crawl Space joined forces with Groundworks, the nation’s leading and fastest-growing foundation repair and water management solutions provider and rebranded under the Groundworks name. They will continue to offer industry-leading technology and resources to more customers across northwest Washington. Groundworks provides elite customer service and quality home solutions for all foundation repair, basement waterproofing, and concrete repair needs. Call for your FREE inspection today!

"We had two crews working to address the water in our crawlspace. Thanks to David, Derick, Jordan and Sam, along with Wyatt, Tucker, and Quentin! And thanks to Kirsten for coming out initially and explaining the Groundworks approach. Though not new to the Pacific NW, we had recently located to the far NW corner of WA. The proposed work was finished in record time (and they managed to get us in a week before the scheduled work). This is no small patch but a wholesale addressing of the problem. It wasn’t cheap, but the thoroughness of the solution is keeping us comfortable and dry! Thanks Groundworks!"

William M on March 2025

In 2006, Dan Malsch founded Rainy Day Crawl Space & Basement and brought residential and commercial foundation repair solutions to the north western Washington area. In 2024, Rainy Day Basement & Crawl Space joined forces with Groundworks, the nation’s leading and fastest-growing foundation repair and water management solutions provider and rebranded under the Groundworks name. They will continue to offer industry-leading technology and resources to more customers across northwest Washington. Groundworks provides elite customer service and quality home solutions for all foundation repair, basement waterproofing, and concrete repair needs. Call for your FREE inspection today!

"We had two crews working to address the water in our crawlspace. Thanks to David, Derick, Jordan and Sam, along with Wyatt, Tucker, and Quentin! And thanks to Kirsten for coming out initially and explaining the Groundworks approach. Though not new to the Pacific NW, we had recently located to the far NW corner of WA. The proposed work was finished in record time (and they managed to get us in a week before the scheduled work). This is no small patch but a wholesale addressing of the problem. It wasn’t cheap, but the thoroughness of the solution is keeping us comfortable and dry! Thanks Groundworks!"

William M on March 2025


SKILLWERX CONSTRUCTION INC.
2175 Lagerwey Circle
5.00(
6
)
SKILLWERX CONSTRUCTION INC.
2175 Lagerwey Circle
5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Here at SKILLWERX CONSTRUCTION INC. we offer all your home needs. We specialize in: - KITCHEN/BATHROOM REMODELS - HOME ADDITIONS - INTERIOR/EXTERIOR PAINTING - DECKS - CONCRETE And so much more. Give us a call. Fernando S. 360-318-6438

"Very well they were very responsible and paid attention to detail - sought my opinion when needed"

DeeDee L on December 2022

Here at SKILLWERX CONSTRUCTION INC. we offer all your home needs. We specialize in: - KITCHEN/BATHROOM REMODELS - HOME ADDITIONS - INTERIOR/EXTERIOR PAINTING - DECKS - CONCRETE And so much more. Give us a call. Fernando S. 360-318-6438

"Very well they were very responsible and paid attention to detail - sought my opinion when needed"

DeeDee L on December 2022


Sejant Foundation Restoration
17837 1st Ave S
No reviews
Sejant Foundation Restoration
17837 1st Ave S
No reviews

We provide foundation repair services for residential and commercial buildings which are experiencing shifting, cracking, or settling to insure they maintain their value. Unlike most companies, we don't have a patented system we must use. With us, each project is unique and we use the best solution. We have 10+ years experience in the foundation repair business, and are a locally owned company. This means this is our passion, not just a job.

We provide foundation repair services for residential and commercial buildings which are experiencing shifting, cracking, or settling to insure they maintain their value. Unlike most companies, we don't have a patented system we must use. With us, each project is unique and we use the best solution. We have 10+ years experience in the foundation repair business, and are a locally owned company. This means this is our passion, not just a job.


Full service contracting company. Performing handyman tasks to home additions.


R&R Foundation Specialists
3409 McDougall Ave
4.42(
12
)
R&R Foundation Specialists
3409 McDougall Ave
4.42(
12
)
Customers say: Terrific value
Free onsite estimate

Our business is our livelihood but it is also so much more. R&R Foundation Specialists was started to fill in a void in the current market and to make a business that people can place their trust in. Over the years we have never lost our commitment to our clients and that is what has allowed us to succeed in a very competitive industry. The employees of R&R Foundation Specialists stand committed to our purpose and will provide the best service! After Hours and Weekends: By Appointment Only.

"Beware of poor foam lift outcomes. They charge by the pound of foam, not whether or not your concrete is lifted - ask them. Had to take them to small claims court - Google my case and see for yourself before you sign their contract. I took them to court to generate a record for future customers, not for the money. Do your homework and consider another company."

Delilah W on September 2024

Our business is our livelihood but it is also so much more. R&R Foundation Specialists was started to fill in a void in the current market and to make a business that people can place their trust in. Over the years we have never lost our commitment to our clients and that is what has allowed us to succeed in a very competitive industry. The employees of R&R Foundation Specialists stand committed to our purpose and will provide the best service! After Hours and Weekends: By Appointment Only.

"Beware of poor foam lift outcomes. They charge by the pound of foam, not whether or not your concrete is lifted - ask them. Had to take them to small claims court - Google my case and see for yourself before you sign their contract. I took them to court to generate a record for future customers, not for the money. Do your homework and consider another company."

Delilah W on September 2024


Agate Northwest LLC
3344 Sunny Cove Ct
No reviews
Agate Northwest LLC
3344 Sunny Cove Ct
No reviews
9 years of experience

Full Service General Contractor specializing in sewer, water, drainage, and site prep.

Full Service General Contractor specializing in sewer, water, drainage, and site prep.


Residential remodeling, additions, and repairs.


Nordic Construction
Po Box 1128
No reviews
Nordic Construction
Po Box 1128
No reviews
Free onsite estimate

I am a EXPERIENCED Geneneral Constractor with more than 100 years of family building history in the Northern Washington Area. I am reliable and honest and truly enjoy what I do.

I am a EXPERIENCED Geneneral Constractor with more than 100 years of family building history in the Northern Washington Area. I am reliable and honest and truly enjoy what I do.

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Foundation repairs FAQs

If foundation problems are not fixed, not only do repairs eventually become very costly, but it can lead to structural damage to the house above. Eventually, if the foundation problems are allowed to persist, the foundation walls can cave in or collapse. That’s after other issues like flooding and mold have likely been allowed to develop. Although not all cracks are structural problems, some can be and even if they start out small, they can develop into major problems. The earlier foundation problems are discovered and fixed, the lower the cost to repair will likely be.

Yes, foundation repairs are worth the cost at any stage to avoid a dangerous living condition. A failed foundation can lower the value of your home by up to 20%. Whether it’s the smallest problem like a thin crack less than ⅛-inch wide, a horizontal crack, a crack letting water flow through, or a wall bowing inward, repairing foundation problems as soon as possible is worth the cost. Sometimes a temporary fix can be applied until you have the budget to completely fix the problem, but the longer the problems persist, the more costly repairs may be.

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 homeowners guide to foundation repairs
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