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

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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

"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."
Response time4 hrs
Response rate100%
6 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%
2 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
146 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%
36 neighbors recently requested a quote
Design Build NW, LLC
5.0(
7
)
Find a Custom Home Builder

Serving Vashon, WA and surrounding areas

Approved

In business since 1993

Free estimates

Credit card accepted

Design Build - Home Plans NW proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. Locally owned and serving the Pacific NW for going on 30 years!\n\nWe Listen, We Communicate\nPart of good communication is listening, and that’s what we do with phone calls or face-to-face meetings.\n\nArchitectural Design & Build\nWith architectural design and structural engineering costing $6,000 – $14,000, we create all designs with our “in-house” team.\n\nWe've Build Over 5,000 Homes\nOur team’s background is in both residential remodeling as well as custom home construction with more than 100 years experience. If we can build thousands of Northwest custom homes, imagine what we can do for you. \n\nWhy Us?\nOur Promise\n* Finish what we start and follow-through\n* Listen to your needs and communicate timely\n* Give you price competitive services\n* Maintain a high-level of quality\n

Holmen Addition
Holmen Addition
Holmen Addition
Holmen Addition
Holmen Addition

+72

Response time11 hrs
Response rate99%
11 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
76 neighbors recently requested a quote
Recommended by98%of homeowners
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

Legacy Construction Group, LLC, is a family owned and operated business that was founded in Auburn, WA with the focus of serving the community with prime renovation, constructions, and more. We have more than 10 years of experience in he state of Washington. We have upheld the reputation of being a leader in the industry through the constant renewal and innovation of products, technique, skill, and equipment. Our mission at Legacy Construction Group, LLC is to continue meeting demands and surpassing expectations of our residential and commercial clients, which enable us to establish long term partnerships. We look forward to working with you on your next home improvement project!

des moines
des moines
des moines
des moines
stair case

+40

Response time2 days
3 neighbors recently requested a quote
Recommended by28%of homeowners
Avatar for Diversified Crawlspace Servs
Diversified Crawlspace Servs
3.9(
25
)
Concrete Foundation - Repair

Serving Vashon, WA and surrounding areas

Approved

In business since 1992

Free estimates

Emergency services offered

"I will surely recommend Diversified! I was concerned that our home had a mold issue and the related health issues it brings. Ray carried out a free inspection for us as early as he could. Then he walked me through the mold removal plan step by step. I really appreciated the knowledge that he shared with us and the overall service he offered us to do mold remediation from our house. Glad to recommend this company for attic and crawlspace mold issues."
crawlspace drainage
crawlspace drainage
crawlspace drainage
crawlspace drainage
crawlspace drainage

+18

7 neighbors recently requested a quote
Recommended by60%of homeowners
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Showing 1-10 of 208
House Leveling questions, answered by experts

Mudjacking is your best bet for leveling concrete on a tighter budget. It’s less expensive than foam or grout mixture. For smaller, surface-level issues, you could also use a self-leveling compound, which creates an even surface over existing concrete—it’s a budget-friendly option suitable for DIY enthusiasts.

The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.

A slurry of cement, sand, and water is injected beneath the concrete to lift and stabilize it.

The polyurethane used for polyjacking will expand and cure in 15 to 30 minutes. After that point, your slab will be safe to walk on and even drive on in the case of a sidewalk or concrete driveway. Double-check with your concrete lifting specialist to confirm a curing timeline, as products can differ.

Trenching and boring are two distinct methods for installing underground utilities. Trenching involves digging a channel using equipment like an excavator, trencher, backhoe, or shovel. While it is a simpler process, it causes significant disruption to the surface, landscaping, and surrounding ecosystems.

Boring, also known as directional boring, is a less invasive alternative that uses a drill to create a tunnel for utility lines without disturbing the surface. This method is more precise and is ideal for installations that need to go underneath buildings, roads, or bodies of water. Although boring is less disruptive, it is generally more expensive than trenching.

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.