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Top-Rated Foundation repair specialists in Oak Harbor - Updated Nov 2026

Avatar for Ram Jack West - Seattle
Ram Jack West - Seattle
4.9(
27
)
Concrete Foundation - Repair

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"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."
Response rate100%
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Ram Jack West - Portland
Ram Jack West - Portland
4.7(
69
)
Concrete Foundation - Repair

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Steve came over and gave us some good news (not a foundation problem), but also gave us a reference to someone who repairs concrete for the type of problem we have. He really knew all about these issues and told us some signs to look for that would indicate a real foundation problem. Very pleasant company to deal with."
Response time4 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.7(
17
)
Concrete Foundation - Repair

Serving Oak Harbor, WA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Rainy Day Basement System from my very first contact to office manager, were to most responsive to questions and concerns. Ryan, my first contact was fantastic, Jessica was always available to answer questions and worked with the Swinomish Tribe (permitting agency) to get everything needed. Rainy Day Basement Systems is a company I would recommend to anyone looking for quality, not just in workmanship but also in customer satisfaction."
Foundation
Foundation
Foundation
Concrete
Concrete

+15

32 neighbors recently requested a quote
Recommended by64%of homeowners
Avatar for Wu Construction
Wu Construction
4.6(
238
)
Concrete Foundation - Repair

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Greg and his team were wonderful to work with from the start. It's going to improve our house and our life to stop having water in the basement everytime it rains. We can finish our basement and actually use the space now! Thanks for being so easy to work with and delivering a quality drain system."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time10 mins
Response rate100%
24 neighbors recently requested a quote
Avatar for Andy Construction LLC
Andy Construction LLC
4.9(
30
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"I have a 1906 cottage in N Seattle, with an old porous foundation. Water came into the basement for the first time in 20 years. Another contractor bid the job at $12,000 after 3 site visits and almost a month. Andy came out to the house the same day I talked to him, and estimated the same job at half that price. He followed up with questions, asked about making another visit, came out again and saw that the drainpipe was disconnected at the top of the area being flooded. 75% of the roof's water was pooling against the house. He found a ladder and fixed it and isn't charging me a dime. So, no French drain, no Delta drain, no foundation treatment, no 50' of trenching, no $$$. Andy was timely, reliable, did what he said, and knows his stuff. He was a great communicator, and I feel so so lucky to have found him."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time8 hrs
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Advanced Foundation Supports, LLC
Advanced Foundation Supports, LLC
3.9(
4
)
Concrete Foundation - Repair

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 1980

Free estimates

Customers say: Quick response

"Every time I've used him, his work has been excellent. I speak very highly of them as a principal structural engineer. I've never had a complaint on his work or his pricing from any of my clients."
Foundation Bracket
Landslide Underpinning
Foundation Repair
Fireplace Underpinning Brackets
1 1/2" Square Shaft Helical Anchors

+4

Response time1 day
Recommended by100%of homeowners
Avatar for MTU Services LLC
MTU Services LLC
5.0(
5
)
Concrete Foundation - Repair

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

Protect the investment you’ve made with the knowledgeable team at MTU Services LLC. We are your local basement and foundation experts serving all of Washington state and North Idaho. We offer customized basement waterproofing, foundation repair, concrete crack repair, and basement sump pump solutions and egress windows for your home. Contact MTU Services LLC today to learn more about how we can help you protect your home. Give us a call to request a quote or to schedule service.\n\nServices include: leaking basement or crawl space repairs, foundation cracks repaired, lifting piers and levelling for your home or building, sup um systems and more.

Elevator pit waterproofing and sealing
Piers under an existing home
Piers under an existing homes middle wall
Solutions/Answers
Response time1 day
Response rate100%
4 neighbors recently requested a quote
Avatar for Elias Construction Services LLC
Elias Construction Services LLC
4.4(
9
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's . It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. order to understand the and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

After
IKO Cambridge Earthtone C
IKO Dual Grey Dynasty
3 Tab
3 Tab

+24

Response time1 day
4 neighbors recently requested a quote
Recommended by14%of homeowners
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