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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
2004 years of experience

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
1986 years of experience
Free onsite estimate

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


"Anthony did my powder room over and I couldn’t be happier , fair price and does excellent tile work . Will definitely use again !"

Anthony B on August 2024

General Contractor

"Anthony did my powder room over and I couldn’t be happier , fair price and does excellent tile work . Will definitely use again !"

Anthony B on August 2024


Avatar for Basements Love Us Inc

Basements Love Us Inc

4.48(
124
)

Basements Love Us Inc

4.48(
124
)
Customers say: Super punctual
Free onsite estimate

We are a family owned & operated business providing Basement Waterproofing, Mold Remediation, Structural Repairs and Crawl Space Encapsulation to the New Jersey, Eastern Pennsylvania, and Delaware area. We have over 20 years of combined experience, and are fully licensed and insured in both New Jersey, Pennsylvania, and Delaware. We strive for excellence and are proud to offer a 100% satisfaction guarantee. We look forward to helping your family today! Secondary Address: 5211 Arendell Ave., Philadelphia, PA 19114.

"job was done in a timely manner, however was not done in a professional workman like manner, Which the contract states it would be done. When the estimator came he explained what would be done to eliminate water issue. When we asked how does water get removed outside and how they would undermine stairs and walls he simple stated the installers will go over that with you when they come. The installers said they would be channeling under the step and walls, which are only 2 1/2 inch walls. The last step was also a simple channel as well. More time consuming perhaps, when you charge $3000.00 more than another contractor, homeowners are believing they are getting a professional job! They cut her stair runner instead of peeling it back so it could be glued back down. she needs replace whole runner now and company could care less including there estimator! sheetrock replacement also more expensive because took a hammer to the walls instead of saw zall,nice straight lines! also have photos."

mark h on September 2025

We are a family owned & operated business providing Basement Waterproofing, Mold Remediation, Structural Repairs and Crawl Space Encapsulation to the New Jersey, Eastern Pennsylvania, and Delaware area. We have over 20 years of combined experience, and are fully licensed and insured in both New Jersey, Pennsylvania, and Delaware. We strive for excellence and are proud to offer a 100% satisfaction guarantee. We look forward to helping your family today! Secondary Address: 5211 Arendell Ave., Philadelphia, PA 19114.

"job was done in a timely manner, however was not done in a professional workman like manner, Which the contract states it would be done. When the estimator came he explained what would be done to eliminate water issue. When we asked how does water get removed outside and how they would undermine stairs and walls he simple stated the installers will go over that with you when they come. The installers said they would be channeling under the step and walls, which are only 2 1/2 inch walls. The last step was also a simple channel as well. More time consuming perhaps, when you charge $3000.00 more than another contractor, homeowners are believing they are getting a professional job! They cut her stair runner instead of peeling it back so it could be glued back down. she needs replace whole runner now and company could care less including there estimator! sheetrock replacement also more expensive because took a hammer to the walls instead of saw zall,nice straight lines! also have photos."

mark h on September 2025


Concrete Chiropractor

5.00(
11
)

Concrete Chiropractor

5.00(
11
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Concrete Repair. Concrete Raising Mudjacking, & Leveling Experts. Concrete Chiropractor. Trusted Leaders Since 2000! Raise your sunken or settled concrete for 1/3 to half the cost of replacement. We also repair cracked or bowed basement walls and apply self leveling cements to inside floor surfaces.

"I would like to thank Kris and Karen along with Mathew & Dave for a job well done. I have recommended Concrete Chiropractors to many of my friends Thanks again Jeff Emery"

Jeff E on June 2022

Concrete Repair. Concrete Raising Mudjacking, & Leveling Experts. Concrete Chiropractor. Trusted Leaders Since 2000! Raise your sunken or settled concrete for 1/3 to half the cost of replacement. We also repair cracked or bowed basement walls and apply self leveling cements to inside floor surfaces.

"I would like to thank Kris and Karen along with Mathew & Dave for a job well done. I have recommended Concrete Chiropractors to many of my friends Thanks again Jeff Emery"

Jeff E on June 2022


Avatar for Downes Construction

Downes Construction

5.00(
10
)

Downes Construction

5.00(
10
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

This business specializes in Masonry and General Contracting. Our company was built on quality assurance, and customer satisfaction. All work comes from word of mouth and recommendations. If you look at our facebook photo's you will see pictures of some the jobs we recently completed. We have been in business for over 20 years and are fully insured and licensed.

This business specializes in Masonry and General Contracting. Our company was built on quality assurance, and customer satisfaction. All work comes from word of mouth and recommendations. If you look at our facebook photo's you will see pictures of some the jobs we recently completed. We have been in business for over 20 years and are fully insured and licensed.


Polonia Construction Inc.

4.95(
19
)

Polonia Construction Inc.

4.95(
19
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

For more than 25 years Polonia Construction has been providing top quality service to homes and businesses within the New Jersey/New York area. We are known for our dedication to customer service and excellence and always provide the utmost in quality and care on every job. We have highly trained and skilled masonry artisan craftsmen that have the experience needed to ensure that all of your desires, wishes and expectations are understood and delivered correctly the first time. We take pride in our work and always take the time to listen to the customer and make recommendations for the best materials and techniques for each individual job ensuring that the needs, budget and desires of the customer are fulfilled! Satisfied and happy customers are our primary goal and this account for more than 95% of our new business due to word of mouth referrals. When customers are treated with respect and are provided with the utmost in quality and craftsmanship, they are more than happy to share their experience with neighbors, family and friends. So, if you are looking for the best NJ masonry contractor, look no further we guarantee that you will be 100% satisfied with the quality of craftsmanship and customer service you will receive here at Polonia Construction, Inc.

"Hired them to do a concrete driveway (two and half cars wide from two cars wide) and a step up to front/side porch concrete underneath, with pavers on top. I had a blacktop driveway, concreate walkway, grass and 4 large bushes that needed to be removed before any work can be done. The staff is professional, efficient and friendly. Highly recommend!"

Danielle S on September 2022

For more than 25 years Polonia Construction has been providing top quality service to homes and businesses within the New Jersey/New York area. We are known for our dedication to customer service and excellence and always provide the utmost in quality and care on every job. We have highly trained and skilled masonry artisan craftsmen that have the experience needed to ensure that all of your desires, wishes and expectations are understood and delivered correctly the first time. We take pride in our work and always take the time to listen to the customer and make recommendations for the best materials and techniques for each individual job ensuring that the needs, budget and desires of the customer are fulfilled! Satisfied and happy customers are our primary goal and this account for more than 95% of our new business due to word of mouth referrals. When customers are treated with respect and are provided with the utmost in quality and craftsmanship, they are more than happy to share their experience with neighbors, family and friends. So, if you are looking for the best NJ masonry contractor, look no further we guarantee that you will be 100% satisfied with the quality of craftsmanship and customer service you will receive here at Polonia Construction, Inc.

"Hired them to do a concrete driveway (two and half cars wide from two cars wide) and a step up to front/side porch concrete underneath, with pavers on top. I had a blacktop driveway, concreate walkway, grass and 4 large bushes that needed to be removed before any work can be done. The staff is professional, efficient and friendly. Highly recommend!"

Danielle S on September 2022


Avatar for Costa Construction & Son LLC

Costa Construction & Son LLC

5.00(
6
)

Costa Construction & Son LLC

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Costa Construction & Son, L.L.C., has over 20 years experience in the construction industry. Costa Construction & Son builds quality custom decks, wine cellars, wall units, cabinetry, dormers, kitchens, bathrooms and finished basements. Our goal for each and every customer: An accurate price quote followed by high-quality workmanship and service and on-time completion that eases customer concerns about home construction projects.

Costa Construction & Son, L.L.C., has over 20 years experience in the construction industry. Costa Construction & Son builds quality custom decks, wine cellars, wall units, cabinetry, dormers, kitchens, bathrooms and finished basements. Our goal for each and every customer: An accurate price quote followed by high-quality workmanship and service and on-time completion that eases customer concerns about home construction projects.


Avatar for Valley Ridge Contracting

Valley Ridge Contracting

5.00(
8
)

Valley Ridge Contracting

5.00(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Valley Ridge Contracting LLC., is a family owned and operated business. We provide our customers with a wide range of services including, excavation, land clearing, paving, demolition, stamped concrete, retaining walls, drainage and tree services.

"Excellent, Bill is extremely professional, punctual and a pleasure to do business with. His employees were all steller and I cannot praise them enough for the absolute immaculate new 1500 Sq ft shop floor. I will definitely be doing business with him again."

MICHAEL S on April 2021

Valley Ridge Contracting LLC., is a family owned and operated business. We provide our customers with a wide range of services including, excavation, land clearing, paving, demolition, stamped concrete, retaining walls, drainage and tree services.

"Excellent, Bill is extremely professional, punctual and a pleasure to do business with. His employees were all steller and I cannot praise them enough for the absolute immaculate new 1500 Sq ft shop floor. I will definitely be doing business with him again."

MICHAEL S on April 2021

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Concrete Leveling questions, answered by experts

No, you cannot drive on concrete after three days because it has not cured enough to support the weight of a vehicle. Doing so will likely leave tire track imprints on the concrete surface and reduce its long-term strength. It is best to wait at least seven days before driving on concrete.

Per the International Code Council, walk-in shower floors should have a minimum slope of 1/4-inch per foot (or a 2% slope) towards the drain. The slope should be no steeper than 1/2-inch per foot (or a 4% slope). This helps safely direct water into the drain rather than all over your bathroom.

If you don’t seal a concrete patio, the surface may crack, fade, or stain. While it’s not strictly necessary to seal a concrete patio, doing so can help protect it, extend its lifespan, and enhance its beauty.

By careful site grading and incorporating drainage systems where needed.

Yes, you can seal an old concrete floor as long as you remove stains and repair damage before sealing. Remove everything from the garage and clear the floor throughout with a concrete cleaner and power washing. Fill in cracks larger than 1/8 of an inch wide and remove all grease and rust stains before sealing. Make sure your concrete is fully dried before applying sealer.

The Sandyston, NJ homeowners’ guide to concrete leveling services

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

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