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Avatar for Groundworks
Groundworks
4.6(
308
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Emergency services offered

"HIGHLY RECOMMENDED!!! We just had a French drain installed along with a new sump pump and pit in our basement and had the floors epoxyed afterwards. The project manager, Kenny, was absolutely amazing. From the very beginning he explained everything that their team would be doing, gave me updates throughout the day. If I had a question or concern Kenny was patient with me and continued to make sure any questions/concerns were addressed, even telling me to call him if I thought of any other questions. Their crew was very respectful of the property by making sure to lay out tarps to protect the floors, and made all attempts to manage the noise since we were home. Whatever was left in the basement they made sure to cover and protect. And if something needed to be moved they moved it and moved it back. When it came time to lay down the epoxy there was a scheduling hiccup. Kenny though went out of his way to make it right by coming right after another job and staying late to make sure we're stayed on schedule since I was having out of town guests coming that weekend and needed access to the basement. Working with Select Basement, but especially Kenny, made this one of the best experiences and I highly recommend them. 10 out of 10!"
Basement
Basement
Basement
Basement
Foundation

+15

Response time1 day
301 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Raza & Sons Construction, Inc.
Raza & Sons Construction, Inc.
5.0(
2
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time1 day
Recommended by100%of homeowners
Avatar for Advanced Creations
Advanced Creations
4.7(
26
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

Free estimates

"it went amazing. Even though it was not a very large job, Ed came out three times to discuss project and my reservations. He was punctual, very informative and very congenial. I hired him and although we had some delays caused by wet weather, he finished the job earlier this month. His crew was outstanding in every way. Ed came by every day to make sure everything was going perfectly and it was. Everything was cleaned up meticulously and the crew even did a few extra things esthetically to make up for the slight delay caused by weather. The result was beyond my expectations and I have received so many compliments on it, from even my most critical family members. ABOVE AND BEYOND!!! Thank you Ed and company. I will highly recommend you and will have other projects for you when budget permits."
Additional Photos
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+8

Recommended by100%of homeowners
Avatar for Essex & Morris Contracting Co Inc
Essex & Morris Contracting Co Inc
4.7(
172
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"I mostly interfaced with Anthony but did speak with John and the company receptionist. All were very pleasant, professional, and super easy to work with. Anthony was understanding, patient, and helped me decide which work should be prioritized in order to stay within my budget. The Essex & Morris work crew arrived as scheduled, did excellent work, and didn’t leave a mess afterwards. I wish I had known of them the first time I had mason work done at my home as I wouldn’t have had to settle for inferior workmanship. My apologies to E&M for not writing this review sooner. The sidewalk sections and driveway asphalt paving were excellent! I highly recommend using Essex & Morris."
Additional Photos
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Additional Photos

+2

Recommended by98%of homeowners
Foundation Experts, LLC
4.5(
27
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

In business since 1980

Emergency services offered

Credit card accepted

"Larry came out for an estimate quickly.  I had to postpone work a bit because of some other issues with the house.  When I was ready to go, Larry came back out and we went through everything again.  This time a few other issues were brought to light.  I went with Foundation Experts because the recommendations seemed more logical than other ideas that had been proposed by other companies.  Once the contract was signed, work began quickly.  Quite a few workers were there for different aspects of the job.  Everyone was very friendly and professional.  Andy was involved in different aspects of the project than the others and was very thorough in explaining what he was doing and why.  The job didn't really take too much time and was spread out over 2 days.  Everything looks good.  The initial reason for my call to them was because of water pouring into my basement when it rains.  Hoping that what they did will do the trick.  Time will tell.
I have a few future projects in mind for them in the future.
"
Recommended by95%of homeowners
Avatar for Clark Chimney & Masonry
Clark Chimney & Masonry
4.5(
34
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"I recently hired Clark Chimney and Masonry for a chimney cap and liner replacement and I'm extremely satisfied with their service. The team was prompt, professional, and efficient. They took great care in ensuring a clean work environment and thoroughly explained the process. The pricing was fair, and I appreciated their friendly customer service. I highly recommend [Chimney Service Company] for anyone in need of reliable and top-notch chimney services!"
Week of 11/19
before
MARCH 2025
Week of 11/19
Philadelphia Stucco paint waterproof

+36

Recommended by92%of homeowners
Avatar for Al Arsh Construction Corp
Al Arsh Construction Corp
5.0(
10
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Knowlton, NJ and surrounding areas

In business since 2001

Free estimates

"Malik runs a very professional operation. From the time of initial phone contact with Malik (yes, he does answer his own phone) to the final post-job cleanup, this was a hassle-free project for me. Malik's crew showed up promptly each morning, and under the supervision of Malik or his equally capable foreman ("Mr. Z"), every detail of this work was performed in a skilled, highly competent and precise manner. Once begun (except for rain days), the job was continued through completion. Worth noting also is the fact that, although he was aware of my budget limitations, Malik was able to deliver a first-class job which the quality of the finished product reflects. I would enthusiastically recommend him to any Angie's List member (and will be contacting him myself for all future work on my house).
"
Recommended by100%of homeowners
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Concrete Leveling questions, answered by experts

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

Concrete leveling is absolutely worth it if you have sunken concrete slabs and want to restore them to level, especially if the slab is part of your home foundation. Concrete leveling is less than half the price of replacing concrete sidewalks, patios, walkways, and pool decks, and it’s about a quarter of the cost of replacing a foundation. If you also treat the underlying problem, it can be a worthwhile and permanent solution.

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.

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.

Mudjacking is usually reserved for light-duty slabs, like patios, driveways, and sidewalks. However, it can be an effective way to lift garage slabs and concrete around the perimeter of the home, which could harm your foundation if it’s not done properly. The risk of damage is why having a professional mudjacking company carry out the work is important. This type of slab or foundation repair is relatively inexpensive, especially if you consider that a DIY job requires that you pay to rent the necessary equipment.

The Knowlton, NJ homeowners’ guide to concrete leveling services

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