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TRUSTED BY VASHON, WA HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon142
    Verified house leveling services reviews

Top-Rated House leveling pros in Vashon - Updated Nov 2026

Avatar for Ram Jack West - Portland
Ram Jack West - Portland
4.7(
69
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Vashon, WA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"We have a cabin on the Northern Oregon coast which rests at the edge of a steep hill. Over the years, we noticed some settling with sloping floors, sticking doors, and a foundation crack. We called Ram Jack West after the local foundation expert in Clatsop County failed to follow up on a promised bid. We are grateful for that lapse because the folks at Ram Jack West were exceptional in the service they provided us, start-to-finish. From the office staff and estimator to the engineer and the team who set the pilings and raised the house in its low spots, we were kept apprised of each step. Communication was excellent. The engineering that goes into a project like this boggles my mind, but everyone we worked with was so confident and knowledgeable, any anxiety I had disappeared fast. We are so thrilled with the top-notch service Ram Jack West provided us and recommend them enthusiastically."
Response time4 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for Ram Jack West - Seattle
Ram Jack West - Seattle
4.9(
27
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Vashon, WA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Ram Jack team were diligent and dedicated to completing a difficult lift of one wing of our two-story house. They were polite and thorough and cleaned up before leaving. We are 100% satisfied and recommend them for your consideration."
Response rate100%
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Groundworks
Groundworks
4.3(
314
)
Concrete - Injection Leveling - MudjackingConcrete Foundation - RaiseConcrete Foundation - Repair+1 more

Serving Vashon, WA and surrounding areas

Approved (Corporate)

In business since 1995

Free estimates

Emergency services offered

"From consultation to completion the team at Groundworks handled our foundation repair with care and professionalism. Matthew came to the house and stayed to answer every question and explain every detail. He took the time to complete a bid while onsite and walk us through the process. (BTW their permitting department and financing through GreenSky really helped!) When the work started the first team of Alex, Iuni and Luis, were exceptional (they pier leveled the footing). We got texts the moment they arrived at the property and they got right to work, completing their part right on time. They worked as quietly as possible and kept us informed of the progress. The second team for foam leveling our slab and led by Daniel, got it all done in part of a day. They were also courteous and even helped move furniture. When the work of both teams was finished Alex, the foreman, walked us through an inspection and answered all our questions. Finally, Matthew circled back at the end and made sure"
Foundation
Foundation
Foundation
Concrete
Concrete

+16

Response time2 days
122 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Wu Construction
Wu Construction
4.6(
238
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Vashon, 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%
25 neighbors recently requested a quote
Avatar for Framework Construction LLC
Framework Construction LLC
4.8(
5
)
Find a Custom Home Builder

Serving Vashon, WA and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

2 neighbors recently requested a quote
Avatar for Slabjack Geotechnical
Slabjack Geotechnical
4.7(
76
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Vashon, WA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"They leveled our patio and we were extremely impressed with the professionalism of the crew. Unfortunately, the patio sank a couple of inches within a month and they returned again, at no cost, and re-leveled. We are hoping that it will stay but, whatever happens, it is not the fault of their expertise but rather the ground continuing to shift. That is our personal assessment."
 Residential entry before
 Residential entry after
 Sidewalk after
 Sidewalk Before
 Large Porch before

+2

Response time1 day
72 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for MTU Services LLC
MTU Services LLC
5.0(
5
)
Concrete - Injection Leveling - MudjackingConcrete Foundation - RepairConcrete Foundation - Raise

Serving Vashon, WA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"We’ve had a lot of crews in our home for various projects over the years, and I have to say this was one of the most courteous. They worked hard, navigating through our kitchen to access the basement and I really appreciated their efforts. Thank you MTU, we now have safe walls in our cellar and fresh beams to keep the house standing ;)"
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 Legacy Construction Group LLC
Legacy Construction Group LLC
4.6(
8
)
Find a Custom Home Builder

Serving Vashon, WA and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"My kitchen is complete. I love, love it. Arcenio thank you so very much, for your advice and different crews you had to do the the work. They are remarkable. Work ethics are very important, and they truly have them. I truly thank you for additional work that you allowed me. Making changes all through the main areas."
des moines
des moines
des moines
des moines
stair case

+40

Response time2 days
2 neighbors recently requested a quote
Recommended by28%of homeowners
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House Leveling FAQs, answered by experts

A good slump height really depends on the project, but there is a use for nearly all slump levels. For example, low slumps are best in projects that require structure, such as curbs and roads. High slumps often require additional reinforcement, but they flow more freely into hard-to-reach spaces.

Concrete leveling can last anywhere from five to 10 years or more, and in some cases, it can be a permanent solution. The longevity depends on the method used and whether the underlying cause of the sinking is addressed. For example, mudjacking typically lasts five to 10 years, while polyjacking can last for 20 years or more. It's best to consult a professional for an accurate timeline based on your specific situation and any factors that could cause the issue to recur.

Mudjacking can be an expensive foundation repair process, but in many cases, it’s well worth the investment. This is especially true if you’re lifting a portion of sunken foundation slab back into place. In that case, mudjacking can help avoid major structural damage and even home collapse by restoring the integrity of your structure with minimally invasive procedures. Mudjacking a concrete patio, walkway, or sidewalk can be worthwhile because it removes tripping hazards and makes your outdoor area more aesthetically appealing.

Polyjacking can be a permanent solution to sunken concrete if you also address the underlying issue—like poor drainage—at the same time. The polyurethane material itself can last as long as or even outlast the concrete you’re lifting it with. Your sunken concrete issue will likely return if you don’t couple polyjacking with proper drainage to prevent future soil movement and sinking.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The total drying time can vary depending on the size of the project. Because the slurry mixture contains cement, it needs to harden fully to prevent the concrete slab from shifting under added weight. You should avoid walking on the concrete or placing heavy items like furniture or vehicles on the surface until it has fully set. Your concrete contractor can provide a precise timeline. As a point of comparison, if you opt for polyjacking, the polyurethane foam can dry in minutes, but it's recommended to wait about an hour before use.

The Vashon, WA homeowners’ guide to house leveling services

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