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TRUSTED BY RAINIER, OR HOMEOWNERS

  • Average homeowner rating star icon3.9
    Average homeowner rating
  • Verified reviews icon75
    Verified house leveling services reviews

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

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

Serving Rainier, OR 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 Groundworks
Groundworks
4.6(
915
)
Concrete Foundation - RepairConcrete Foundation - RaiseConcrete - Injection Leveling - Mudjacking+1 more

Serving Rainier, OR and surrounding areas

Approved (Corporate)

In business since 2021

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+20

8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for TerraFirma
TerraFirma
4.1(
100
)
Concrete - Injection Leveling - MudjackingConcrete Foundation - RepairConcrete - Injection Leveling - Mudjacking - For Business

Serving Rainier, OR and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"I have had two issues since they installed the new sump pump and irrigation. Issue number one was water still getting passed the new concrete. The other issue is that the new concrete was not level at all which has caused issues with the new flooring I installed. However, their customer service is top notch and will work hard to take care of you."
A System Design Specialist helping a homeowner
Encapsulating a crawl space
Fleet of vehicles in our Portland, Oregon locatio
Loading up our truck for a piering job
Loading up a truck for a waterproofing job

+33

Response time10 mins
Response rate100%
116 neighbors recently requested a quote
Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.0(
72
)
Concrete Foundation - Repair

Serving Rainier, OR and surrounding areas

Approved (Corporate)

In business since 1974

Free estimates

Warranties offered

"There was some miscommunication between the dispatcher and I but the plumber that came to my house explained the issue and rescheduled me for the weekend. I explained the urgency of filling in the trenches and he accommodated my schedule, he was great to work with. He spoke very highly of his company, not something you hear everyday from employees!"
Encapsulation System
Before Encapsulation
Before Interior Drain System
After Interior Drain System
Finished basement

+38

Response time6 hrs
115 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for The Renovation Company
The Renovation Company
4.5(
73
)
Find a Custom Home Builder

Serving Rainier, OR and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"Overall, this job was basically all done by us coordinating with the subcontractors, who were all very nice. The owner who we hired however was disorganized, rarely around, never did any kind of inspection on the work done by the subs. Tried to sell us a window that we couldn't install because it wouldn't have been to code, then after we got the new one ordered and installed, he left the old one on the side of our house for weeks until we said we were going to take it to the dump...overall, the job looks pretty good, but a lot of little issue we had to have another contractor fix to finish it.
"
Recommended by89%of homeowners
Avatar for DaBella - Portland
DaBella - Portland
4.4(
1,131
)
Find a Custom Home Builder

Serving Rainier, OR and surrounding areas

In business since 2011

Free estimates

Warranties offered

"Great overall experience. Ethan worked with us to find a siding and gutter solution that worked, and responded to all out questions in a timely manner. Very happy with the final product, the exterior of the house looks beautiful and modern and not 1970's anymore."
Additional Photos
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Additional Photos

+26

Recommended by89%of homeowners
Avatar for SL Green Homes, LLC
SL Green Homes, LLC
4.5(
68
)
Find a Custom Home Builder

Serving Rainier, OR and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"

I exchanged emails and pictures in advance of my appointment, and got some details about what to expect including the names of both workers. The workers arrived a bit early (so much better than late:-), I showed them what I needed, and one person started the work while I went to the hardware store with the other fellow to purchase the materials needed.

There was one drywall project that I thought would require an expensive repair. Instead, they fixed it easily and I was thrilled. 

They fixed a crooked cabinet in my kitchen that had been driving me crazy.

 They replaced door trim and added baseboard trim to several rooms, including the kitchen. After they left I discovered that they'd actually moved the refrigerator and put trim on that portion of floor too! I didn't even think to request this and was so happy to see it. Clearly, they take their work seriously and wanted to do the best job possible, but this was above and beyond and I'm so happy!

I'd purchased a block of hours at a discount from Angie's list, and they finished my tasks a few minutes early. So they offered to do a few other minor things instead of packing up immediately. Wonderful!

I am so very pleased with this company. I would absolutely use them again and would recommend them to anyone. The work they did for me was simple, but given the level of quality and attention to detail, I'd trust them with something larger without hesitation.


"
Additional Photos
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Additional Photos
Additional Photos

+38

Recommended by94%of homeowners
Avatar for TerraFirma Foundation Systems
TerraFirma Foundation Systems
4.4(
238
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For BusinessConcrete Foundation - Raise+1 more

Serving Rainier, OR and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"I recently hired TerraFirma to raise my house several inches and level out my basement floor. Working with TerraFirma Foundations was a great experience, from start to finish. Everyone involved in the project was very friendly and professional. I was kept in the loop, as to what was happening, every step of the way. I would definitely recommend this group to anyone needing help with their foundation."
Additional Photos
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+11

Response time7 hrs
Response rate100%
Recommended by89%of homeowners
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House Leveling FAQs, answered by experts

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.

Mudjacking is suitable for sidewalks, driveways, patios, and nearly all exterior flat structures. However, it may not suit severely damaged or heavily cracked areas.

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.

Generally speaking, push piers—or steel piers—are the best option for underpinning, as they reach down to solid bedrock to find support for your foundation rather than relying on soil, which could be subject to the same issues as the soil directly below your foundation. However, the best underpinning method for your home depends on your location, how far down the bedrock is, and the type of soil in your area. Helical piers are usually the best option for sandy soil or in areas where the bedrock is too deep to use steel piers.

It restores concrete, prevents replacement cost disruptions, reduces trip hazards, and provides stability at a lower cost.

The Rainier, OR homeowners’ guide to house leveling services

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