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"We paid close to $20,000 to BQ Basements to completely waterproof our basement. We still get water and they told us we need another sump pump installed at over $2,000. They guaranteed we would not get water after installation. Be aware they do not stand behind their work or honor warranties."

Robert K on October 2025

Groundworks offers dependable foundation and crawl space repair solutions, basement waterproofing, and concrete lifting for New Jersey residents. We take pride in restoring the value and safety of homes in our local community.

"We paid close to $20,000 to BQ Basements to completely waterproof our basement. We still get water and they told us we need another sump pump installed at over $2,000. They guaranteed we would not get water after installation. Be aware they do not stand behind their work or honor warranties."

Robert K on October 2025


Avatar for Groundworks

Groundworks

4.78(
179
)
Approved Pro

Groundworks

4.78(
179
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
51 local quotes requested

Established in 2004, Groundworks is a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across New Jersey, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! 13VH11822900 (NJ)

"Working with DJ from Groundworks (Select Basement) has been an outstanding experience. After struggling with various contractors who either failed to resolve our water issues or were unprofessional, DJ and his team truly stood out. DJ was incredibly helpful, patient, and responsive throughout the entire process. Our home is a ranch with 225 linear feet around the perimeter, and while other contractors insisted on installing a French drain for the entire length, DJ recommended a more targeted approach. He proposed installing the French drain for just 80 linear feet, focusing only on the areas where water intrusion was likely. His thorough explanations and prompt responses to all our questions were greatly appreciated. The workers arrived on time, maintained a clean work environment, and completed the job as promised. If we could give 10 stars, we would! Groundworks is a highly professional and honest company that didn't try to inflate the scope of work to charge us more. We wholeheartedly recommend them."

Elina B on October 2024

Established in 2004, Groundworks is a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across New Jersey, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! 13VH11822900 (NJ)

"Working with DJ from Groundworks (Select Basement) has been an outstanding experience. After struggling with various contractors who either failed to resolve our water issues or were unprofessional, DJ and his team truly stood out. DJ was incredibly helpful, patient, and responsive throughout the entire process. Our home is a ranch with 225 linear feet around the perimeter, and while other contractors insisted on installing a French drain for the entire length, DJ recommended a more targeted approach. He proposed installing the French drain for just 80 linear feet, focusing only on the areas where water intrusion was likely. His thorough explanations and prompt responses to all our questions were greatly appreciated. The workers arrived on time, maintained a clean work environment, and completed the job as promised. If we could give 10 stars, we would! Groundworks is a highly professional and honest company that didn't try to inflate the scope of work to charge us more. We wholeheartedly recommend them."

Elina B on October 2024


Avatar for Quality 1st Basement Systems

Quality 1st Basement Systems

4.58(
253
)
Approved Pro

Quality 1st Basement Systems

4.58(
253
)
Approved Pro
Customers say: Super punctual
318 local quotes requested
39 years of experience

Quality 1st Basement Systems has been helping homeowners improve their homes for over 20 years. We have currently helped over 6,000 homeowners with All Things Basementy by designing effective solutions for their home’s needs. Whether our homeowners are interested in waterproofing a wet basement, fixing cracked foundation walls, insulating their crawl spaces, finishing their basements with mold-resistant materials, and raising concrete slabs, we can help! We’re currently the largest waterproofing company serving both residential and commercial clients in the tri-state area and are continuing to grow. As a member of the internationally renowned Basement Systems, Inc. network and Foundation Supportworks, Inc. network, we have global resources, but provide local service! The Basement Systems network thoroughly trains our employees at the Basement Systems, Inc. corporate headquarters in CT. Our hard work and dedication to our customers have earned us an A+ rating with the Better Business Bureau and several Super Service Awards from Angie’s List. We service most of New Jersey, all 5 boroughs of New York City and certain parts of Pennsylvania. Thousands of homeowners have experienced the Quality 1st Basement Systems difference. We invite you to do your homework and check out our credentials and compare. Put our experience and integrity to work protecting your investment. Our reputation exceeds all others because of our culture of WOW customer service.

"Everything went smoothly"

Hector R on December 2023

Quality 1st Basement Systems has been helping homeowners improve their homes for over 20 years. We have currently helped over 6,000 homeowners with All Things Basementy by designing effective solutions for their home’s needs. Whether our homeowners are interested in waterproofing a wet basement, fixing cracked foundation walls, insulating their crawl spaces, finishing their basements with mold-resistant materials, and raising concrete slabs, we can help! We’re currently the largest waterproofing company serving both residential and commercial clients in the tri-state area and are continuing to grow. As a member of the internationally renowned Basement Systems, Inc. network and Foundation Supportworks, Inc. network, we have global resources, but provide local service! The Basement Systems network thoroughly trains our employees at the Basement Systems, Inc. corporate headquarters in CT. Our hard work and dedication to our customers have earned us an A+ rating with the Better Business Bureau and several Super Service Awards from Angie’s List. We service most of New Jersey, all 5 boroughs of New York City and certain parts of Pennsylvania. Thousands of homeowners have experienced the Quality 1st Basement Systems difference. We invite you to do your homework and check out our credentials and compare. Put our experience and integrity to work protecting your investment. Our reputation exceeds all others because of our culture of WOW customer service.

"Everything went smoothly"

Hector R on December 2023


Avatar for Veni Construction

Veni Construction

5.00(
17
)
Approved Pro

Veni Construction

5.00(
17
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
4 years of experience

Veni Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Veni did a great job. Very attentive and punctual. I would definitely hire him again."

Mike A on November 2024

Veni Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Veni did a great job. Very attentive and punctual. I would definitely hire him again."

Mike A on November 2024


Avatar for ELT Construction LLC

ELT Construction LLC

4.20(
5
)
Approved Pro

ELT Construction LLC

4.20(
5
)
Approved Pro
Customers say: Quick response
41 local quotes requested
28 years of experience

Since 1997, ELT Construction, LLC has specializes in concrete and masonry services to help transform the exterior of your home into an oasis. We can help you with many projects as we are a general contracting company but found a passion masonry services. Our staff is always happy to help, give us a call today for your free estimate!

"I just spent thousands of dollars to redo a patio that was done by this company. For starters the entire patio was lean, but then the pavers started to sink due to the fact their was not filter place at the edges. The stones that were put on our steps are lean and the step itself is lean. We didn't realize the magnitude of this until a professional company redid the lines and patio, but there isn't anything we can do for our unaligned steps unless we dish out more money to fix thoses. I have been searching for this company's name due to the fact I threw everything out but I found the original emails."

Cherie W on July 2020

Since 1997, ELT Construction, LLC has specializes in concrete and masonry services to help transform the exterior of your home into an oasis. We can help you with many projects as we are a general contracting company but found a passion masonry services. Our staff is always happy to help, give us a call today for your free estimate!

"I just spent thousands of dollars to redo a patio that was done by this company. For starters the entire patio was lean, but then the pavers started to sink due to the fact their was not filter place at the edges. The stones that were put on our steps are lean and the step itself is lean. We didn't realize the magnitude of this until a professional company redid the lines and patio, but there isn't anything we can do for our unaligned steps unless we dish out more money to fix thoses. I have been searching for this company's name due to the fact I threw everything out but I found the original emails."

Cherie W on July 2020


Avatar for Get Jacked Concrete Leveling LLC

Get Jacked Concrete Leveling LLC

No reviews yet

Get Jacked Concrete Leveling LLC

No reviews yet
Free onsite estimate

We specialize in residential and commercial lifting and leveling of sunken and uneven concrete. Concrete leveling is a quick and clean way to repair your existing concrete, saving you more than 1/2 the cost of replacement.

We specialize in residential and commercial lifting and leveling of sunken and uneven concrete. Concrete leveling is a quick and clean way to repair your existing concrete, saving you more than 1/2 the cost of replacement.


NJ's Best Paving

No reviews yet

NJ's Best Paving

No reviews yet
5 years of experience

We offer comprehensive paving services ranging from residential driveway repair/maintenance, sidewalks, and Belgian blocks to commercial and industrial parking lot paving jobs, waterproofing, retaining walls, drain systems, and so much more. There is no job too big or too small.

We offer comprehensive paving services ranging from residential driveway repair/maintenance, sidewalks, and Belgian blocks to commercial and industrial parking lot paving jobs, waterproofing, retaining walls, drain systems, and so much more. There is no job too big or too small.


J & J LANDSCAPING AND CONSTRUCTION

No reviews yet

J & J LANDSCAPING AND CONSTRUCTION

No reviews yet
5 years of experience

Preparing construction sites, materials, and tools. Loading and unloading of materials, tools, and equipment. Removing debris, garbage, and dangerous materials from sites. Assembling and breaking down barricades, temporary structures, and scaffolding. Control and guide machine to pour concrete or asphalt. Fill tanks or hoppers with paving materials. Spread stone, concrete, or asphalt on roadbeds. Smooth out stone or concrete using special attachments.

Preparing construction sites, materials, and tools. Loading and unloading of materials, tools, and equipment. Removing debris, garbage, and dangerous materials from sites. Assembling and breaking down barricades, temporary structures, and scaffolding. Control and guide machine to pour concrete or asphalt. Fill tanks or hoppers with paving materials. Spread stone, concrete, or asphalt on roadbeds. Smooth out stone or concrete using special attachments.


WD Construction LLC

No reviews yet

WD Construction LLC

No reviews yet
25 years of experience

Our commercial projects include both new construction and repairs/restorations. Occupied and fully operational job sites are never a problem. And we can also plan, manage, and build multi-phase jobs. We have been operating 20+ years. We have an extensive portfolio and recommendations.

Our commercial projects include both new construction and repairs/restorations. Occupied and fully operational job sites are never a problem. And we can also plan, manage, and build multi-phase jobs. We have been operating 20+ years. We have an extensive portfolio and recommendations.


EZE Castle

No reviews yet

EZE Castle

No reviews yet

My Company been established in 2016 since we been working all over America and completely been doing very outstanding astonishing jobs . We specialize construction jobs and carpentry and dry walls.

My Company been established in 2016 since we been working all over America and completely been doing very outstanding astonishing jobs . We specialize construction jobs and carpentry and dry walls.

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Concrete Leveling questions, answered by experts

Masonry uses units like bricks, cement blocks, and stone with mortar between them. Mortar is generally made of sand and a type of cement. Examples of masonry include the brick or stone on a house, chimney, or freestanding wall. Concrete is a mixture of water, sand, stone aggregate, and other materials, and is poured into forms or moldings. Types of concrete applications include driveways, garage and basement floors, and poured concrete walls in basements and crawl spaces.

Yes, you can pour concrete if it rained the day before, but you’ll need to drain the construction site to ensure there isn’t standing water where your slab will sit. You might need to manually remove any puddles and set up drainage on your site to dry it before pouring. Moist soil won’t be an issue, but standing water will throw off your concrete mix ratios. Additionally, ensure there isn’t more rain expected in the near future before you pour.

Lally columns do require some kind of footing to ensure they have a strong enough base to provide the support they need to deliver, and, at the very least, they need to attach to the floor below. Some contractors will just use the existing foundation as a footing for temporary Lally columns, while some circumstances demand that the expert install a new footing. You might need a local structural engineer to weigh in on which is best for your project.

As a general rule of thumb, allow 24 hours for penetrating sealers to cure and at least 48 hours of drying time for most topical sealers. Always check the instructions for the sealing product you’re using to determine the drying time.

Concrete floors can last 50 to 75 years or more when properly sealed and maintained. Some concrete finishes, like polished concrete, will need to be refinished periodically—depending on the finish and foot traffic, you may need to refinish or reseal your concrete floors every five to 20 years. Keeping the concrete properly sealed will prevent damage and extend the lifespan of your concrete floors. 

The Old Tappan, NJ homeowners’ guide to concrete leveling services

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

What do you need done? We’ll find top pros.
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  • 🏠 "Repair shingles on an asphalt roof"