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TRUSTED BY MERCER ISLAND, WA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon53
    Verified concrete leveling services reviews

Find Concrete leveling pros in Mercer Island

Avatar for TerraFirma Foundation Systems

TerraFirma Foundation Systems

932 Industry Dr
5.00(
8
)
Approved Pro

TerraFirma Foundation Systems

932 Industry Dr
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
90 local quotes requested

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"Great; competitive price, installation went great, friendly and responsive staff in person and office"

Andrew M on February 2020

Thousands of NW homeowners have trusted TerraFirma Foundation Systems to keep their homes safe, dry and stable since 2005. Nearly half of our business comes from referrals or repeat customers. We can help you too! TerraFirma is the NW expert in home foundations, basement and crawl space waterproofing, concrete leveling, and wall stabilization.

"Great; competitive price, installation went great, friendly and responsive staff in person and office"

Andrew M on February 2020


John John Concrete Construction

5001 22nd Ave NE
4.87(
78
)
Approved Pro

John John Concrete Construction

5001 22nd Ave NE
4.87(
78
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
24 local quotes requested

I have earned for the past five years Angie's List Super Service Award. John John Concrete Construction has been in business for 19 years. We are a small, family- owned business. We value honesty and work hard to meet our customers' satisfaction. For a QUICKER RESPONSE and for 24 hour Emergency calls, please reach out to 253-347-4055

"John answered my request for quote quickly, and was one of the only responders to ask questions in order to give an accurate quote. We really appreciated his friendly professionalism, attention to detail and great communication. Once we got our building permit he an Jim came out and started work immediately. We would highly recommend John John Construction and would not hesitate to hire them again."

Sheri B on November 2023

I have earned for the past five years Angie's List Super Service Award. John John Concrete Construction has been in business for 19 years. We are a small, family- owned business. We value honesty and work hard to meet our customers' satisfaction. For a QUICKER RESPONSE and for 24 hour Emergency calls, please reach out to 253-347-4055

"John answered my request for quote quickly, and was one of the only responders to ask questions in order to give an accurate quote. We really appreciated his friendly professionalism, attention to detail and great communication. Once we got our building permit he an Jim came out and started work immediately. We would highly recommend John John Construction and would not hesitate to hire them again."

Sheri B on November 2023


"Did a great job and were quick."

Doug J on September 2023

With 32 years of experience we understand how to quickly and accurately cut and remove concrete. Additional Address - PO Box 5851, Kent, WA 98064.

"Did a great job and were quick."

Doug J on September 2023


Avatar for Slabjack Geotechnical

Slabjack Geotechnical

630 Valley Mall Prkwy
4.87(
66
)
Approved Pro

Slabjack Geotechnical

630 Valley Mall Prkwy
4.87(
66
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
66 local quotes requested

Using state of the art Geo-Polymer injection. Slabjack Geotechnical offers a cost effective alternative to concrete replacement and mud-jacking. Save up to 50% or more over removal and replacement costs! With years of experience, we solve customers concrete settling problems in Eastern and Central Washington and north Idaho, with locations now in Tri-cities, Wenatchee, Spokane and Puget Sound; We serve all surrounding areas. We raise sunken basements, garage floors, porches/stoops, driveways, walkways, pool decks and more. We also seal and stabilize seawalls and bulkheads, leaking culverts and large diameter concrete pipe. Check our our website www.slabjackgeotechnical.com for more information. Superior technology, Superior polymers, Superior results!

"All interactions in the job bid, approval and scheduling were friendly and professional. Dustin and Jaime did an awesome job!!! They arrived on time, went over the job in detail with me, and then went to work. As the job progressed they kept me informed of any issues that arose and made sure I was happy with the process. The final results were flawless and they left the jobsite spotless. I would hire this company again in a heartbeat!!!"

John G on October 2024

Using state of the art Geo-Polymer injection. Slabjack Geotechnical offers a cost effective alternative to concrete replacement and mud-jacking. Save up to 50% or more over removal and replacement costs! With years of experience, we solve customers concrete settling problems in Eastern and Central Washington and north Idaho, with locations now in Tri-cities, Wenatchee, Spokane and Puget Sound; We serve all surrounding areas. We raise sunken basements, garage floors, porches/stoops, driveways, walkways, pool decks and more. We also seal and stabilize seawalls and bulkheads, leaking culverts and large diameter concrete pipe. Check our our website www.slabjackgeotechnical.com for more information. Superior technology, Superior polymers, Superior results!

"All interactions in the job bid, approval and scheduling were friendly and professional. Dustin and Jaime did an awesome job!!! They arrived on time, went over the job in detail with me, and then went to work. As the job progressed they kept me informed of any issues that arose and made sure I was happy with the process. The final results were flawless and they left the jobsite spotless. I would hire this company again in a heartbeat!!!"

John G on October 2024


Avatar for Red Rock Concrete Leveling

Red Rock Concrete Leveling

8250 165th Avenue Northeast, Suite 210
5.00(
3
)
Approved Pro

Red Rock Concrete Leveling

8250 165th Avenue Northeast, Suite 210
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 local quotes requested

We are a Western Washington family owned and operated business, our business is to keep the customer happy with fast and quality service to level concrete using industry-leading poly material and equipment. Our focus is to lift and level concrete driveways, steps, sidewalks, patios, garage, and warehouse floors. We’re happy to provide FREE estimates and would love the opportunity to work on your project, you will be provided a quality, timely, professional, and friendly experience.

"Not only did they provide quality service, but the customer service and interactions with them were top tier. They were highly professional and worked to provide us a driveway leveling that exceeded our expectations."

Michael C on October 2024

We are a Western Washington family owned and operated business, our business is to keep the customer happy with fast and quality service to level concrete using industry-leading poly material and equipment. Our focus is to lift and level concrete driveways, steps, sidewalks, patios, garage, and warehouse floors. We’re happy to provide FREE estimates and would love the opportunity to work on your project, you will be provided a quality, timely, professional, and friendly experience.

"Not only did they provide quality service, but the customer service and interactions with them were top tier. They were highly professional and worked to provide us a driveway leveling that exceeded our expectations."

Michael C on October 2024


Avatar for OCF Construction Inc

OCF Construction Inc

Based Out Of
5.00(
5
)

OCF Construction Inc

Based Out Of
5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We offer a variety of remodeling services. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality of work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!

"The contractor and his team were honest, hardworking, and respectful. They are good people who know their jobs well and completed the work quickly and efficiently."

Fartun A on October 2025

We offer a variety of remodeling services. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality of work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!

"The contractor and his team were honest, hardworking, and respectful. They are good people who know their jobs well and completed the work quickly and efficiently."

Fartun A on October 2025



Avatar for Middling Construction LLC

Middling Construction LLC

7117 124th Street East
No reviews yet

Middling Construction LLC

7117 124th Street East
No reviews yet
11 years of experience

**Middling Construction LLC** is a utility, road, and construction company based in Washington state. Here are some key points about their services: 1. **Road Utility Projects**: Middling Construction LLC specializes in road utility projects, including excavation, installation, adjustment, and maintenance of in-ground utilities. They have extensive experience in this field and have successfully completed various road construction projects over the last nine years. 2. **Reliable and On-Time**: Middling Construction LLC prides itself on delivering projects on time and within budget. Their commitment to excellence ensures that your utility project is handled efficiently and professionally. 3. **Expertise and Preparedness**: With their expertise, Middling Construction LLC can anticipate and address potential challenges during any project. Their crew and fleet of vehicles are equipped to handle road construction projects of any size. 4. **Licensed and Guaranteed Work**: As a trusted Washington state construction company, they hold state and city licenses for utility installation, adjusting, preventative maintenance, and restoration. Their work is guaranteed to fully satisfy their clients. 5. **Utility Services**: Middling Construction LLC covers a wide range of utility and services, including: - Manhole and storm sewer installation - Sanitary sewer installation - Gas valve installation - Water valve installation - Monument installation - Catch basin installation - Property clearing - Excavating and grading - Driveway grading and paving - Sidewalk grading - Concrete demolition - Asphalt patching - Seal coating - Crack sealing To list a few things

**Middling Construction LLC** is a utility, road, and construction company based in Washington state. Here are some key points about their services: 1. **Road Utility Projects**: Middling Construction LLC specializes in road utility projects, including excavation, installation, adjustment, and maintenance of in-ground utilities. They have extensive experience in this field and have successfully completed various road construction projects over the last nine years. 2. **Reliable and On-Time**: Middling Construction LLC prides itself on delivering projects on time and within budget. Their commitment to excellence ensures that your utility project is handled efficiently and professionally. 3. **Expertise and Preparedness**: With their expertise, Middling Construction LLC can anticipate and address potential challenges during any project. Their crew and fleet of vehicles are equipped to handle road construction projects of any size. 4. **Licensed and Guaranteed Work**: As a trusted Washington state construction company, they hold state and city licenses for utility installation, adjusting, preventative maintenance, and restoration. Their work is guaranteed to fully satisfy their clients. 5. **Utility Services**: Middling Construction LLC covers a wide range of utility and services, including: - Manhole and storm sewer installation - Sanitary sewer installation - Gas valve installation - Water valve installation - Monument installation - Catch basin installation - Property clearing - Excavating and grading - Driveway grading and paving - Sidewalk grading - Concrete demolition - Asphalt patching - Seal coating - Crack sealing To list a few things


JG Cleaning LLC

No reviews yet

JG Cleaning LLC

No reviews yet
3 years of experience

We are a small business opened after 20 years of experience in the janitorial and floor care business. Family-owned and operated, and fully licensed, bonded and insured. We specialize in floor care, buffing, polishing and restoration, and work on all floor finishes, including tile, wood, and concrete. We are committed to high-quality, detail-oriented services, at the lowest prices in the market. Our pricing is all-inclusive - we don't believe in "add-on" or hidden fees. When you book us, you can be sure we will not skimp on the details, and our standard is corner-to-corner, floor-to-ceiling cleans. You will never be charged extra for things that should be included - your appliances, windows, etc. As a small family business, we are still building our online presence, and hope you understand our lack of online reviews. As a testimony to our owner's long career and experience, we have letters of recommendation that can be found on our website! We also have references from current and past clients available upon request. Give us a shot! We guarantee that you will not be disappointed!

We are a small business opened after 20 years of experience in the janitorial and floor care business. Family-owned and operated, and fully licensed, bonded and insured. We specialize in floor care, buffing, polishing and restoration, and work on all floor finishes, including tile, wood, and concrete. We are committed to high-quality, detail-oriented services, at the lowest prices in the market. Our pricing is all-inclusive - we don't believe in "add-on" or hidden fees. When you book us, you can be sure we will not skimp on the details, and our standard is corner-to-corner, floor-to-ceiling cleans. You will never be charged extra for things that should be included - your appliances, windows, etc. As a small family business, we are still building our online presence, and hope you understand our lack of online reviews. As a testimony to our owner's long career and experience, we have letters of recommendation that can be found on our website! We also have references from current and past clients available upon request. Give us a shot! We guarantee that you will not be disappointed!


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Concrete Leveling questions, answered by experts

Factors like the time of day you choose to seal the concrete, temperature, humidity, and airflow will impact drying time. To shorten the drying time, seal concrete in the late afternoon on a day with a temperature between 45 to 85 degrees Fahrenheit.

There’s no difference between a “slab foundation” and a “slab-on-grade foundation,” and contractors and homeowners use the terms synonymously. “Slab foundation” is just a shortened version of “slab-on-grade.” In both cases, the homebuilder will pour the concrete foundation into a mold they build directly on the ground. As such, these foundations require no expensive excavation.

Drying concrete faster after rain is tricky because you’d need to increase the temperature or airflow over your slab, both of which are challenging to do outdoors. It can help to remove water from your concrete quickly, though, as the faster you remove rain from the surface, the lower the risk of the water affecting the ratio of your concrete mix. Use squeegees or mops to remove water, and consider covering your slab with a tarp to protect it from future rainfall.

A fence post set in concrete lasts anywhere from five to over 25 years, depending on how well the concrete was applied and the fence post’s material. Untreated wood posts in concrete could last less than 10 years, but a durable, treated wood set in properly applied concrete could last a few decades. However, all fence posts will wear out eventually, so expect to need to replace your fence post every five to 15 years.

Building a concrete driveway normally takes between one and three days, including the time to cure the concrete. Wait at least seven days before driving on your driveway and two days before walking on it. Your contractor may require additional time if you need to level the ground, install a drainage system, or order special concrete materials. Installing a driveway also often requires a permit, so be sure to include this wait into your prep time as well.

The Mercer Island, WA homeowners’ guide to concrete leveling services

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