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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon41
    Verified foundation repairs reviews

Top-Rated Foundation repair specialists in Flanders - Updated Nov 2026

Avatar for Century Masonry & Waterproofing
Century Masonry & Waterproofing
4.9(
64
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or Replace

Serving Flanders, NJ and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Highly recommend Sean! He showed up on time, was very professional and repaired 2 leaking walls in my poured concrete foundation. I had tried several times with various products and the water just kept finding its way in. So frustrating! Even had another company come that said I needed the floor cut and a drain installed. They wanted almost $6000! Sean fixed the issue in a few hours. Left the place spotless and the basement is now totally bone dry. Also guarantees his work and offered to return at no charge if the issue returned."
The beginning
WaterGuard XL
Final Product
CleanSpace around support pillars
CleanSpace on the floor

+26

Response time1 day
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Pro Rise Construction LLC
Pro Rise Construction LLC
5.0(
91
)
Concrete Foundation - Repair

Serving Flanders, NJ and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"contacted vinny for an estimate to clean, repair and seal my old roof. The numbers were good and I had him and his crew come out and get started. He was on time, very professional and completed the work as stated. Very satisfied with the finished job and highly recommend Pro Rise Construction LLC for your home or business.His crew are reliable, show up on time and finished ahead of schedule. Complete clean up and very professional. Thank you for a job well done. Five Stars out of Five."
Patio
Steps
Steps
Drive way pavers
76 neighbors recently requested a quote
Avatar for WEATHER-TITE WATERPROOFING INC.
WEATHER-TITE WATERPROOFING INC.
4.8(
100
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or Replace

Serving Flanders, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Free estimates

Warranties offered

"As I did the first time I used Bob Lindsay's company, I waited six months to write my review. After withstanding nearly 13" of water from Henri and Ida, I cannot recommend this company enough. We used Bob at my first house and decided to use him again when our final walkthrough of our house revealed a wet carpet in the finished basement. Bob's guys replaced the shallow existing window wells with much deeper, galvanized ones, backfilled them with stone and piped them into a perimeter channel drain that was then flashed and cemented to the basement floor height. The sump pump pit was installed and a battery backup system was provided and wired in. The outside grading around the window wells was also redone to slope any surface water away from the foundation. Due to our Radon mitigation system, a polyurethane caulk was also used to seal the system. We remained absolutely bone-dry these last few weeks despite rain falling at 2-3" per hour in some cases. The work is efficient, his guys are extremely friendly and skilled, and despite the messiness of the job, they do a fabulous job cleaning up. There is a certain peace of mind that having this type of work done provides, and you cannot put a price tag on it, especially if you plan on finishing (or refinishing) a basement. At the end of the job, Bob was even kind enough to have one of his guys tie in a 2" piece of PVC from the floor with a cap (which I then drilled a hole in) so I can run my dehumidifier constantly without ever having to empty the bucket. We have since refinished our basement to our liking and know for certain that this was the best home investment we could have possibly made. A friend of ours has also done her entire basement with Weather-Tite and had an equally wonderful experience. Thanks Bob for saving us not once, but twice."
Response time12 hrs
21 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for One-Way GC, LLC
One-Way GC, LLC
4.6(
78
)
Poured Concrete Wall - Repair

Serving Flanders, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Emergency services offered

"We hired One Way Construction to fix a leak in our roof after a big storm. They ended up finding a large crack in our chimney that could have caused much more damage in the future if not caught in time. The two gentleman showed great professionalism, skill,and timeliness in the repair of both the roof and chimney. They always let us know what step they were on the the process and what was left to do. They also cleaned up very well after the project, which was very nice. I would highly recommend this company for your needs. They provided quality service at an affordable price. Very satisfied!"
New Roof
New Roof
New Roof
New Roof
New Roof

+65

Response time6 hrs
Response rate96%
42 neighbors recently requested a quote
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Foundation Repair FAQs, answered by experts

There are a few ways to reinforce a pier and beam foundation, including installing additional piers and beams for added support and performing underpinning, which redistributes the weight of your home further down into the ground where frost and soil expansion don’t pose a threat to the foundation. The best option for reinforcement varies based on your particular home and the soil conditions beneath it.

Cement companies offer a wide variety of services, including delivering and pouring concrete for home foundations, walkways, patios, driveways, concrete steps, pools, pool decks, and more, plus concrete repair and patching. Most companies also have the ability to demolish and haul away old concrete landscaping features. It’s a good idea to reach out to a few different companies before hiring to make sure you choose one that can tackle the entirety of the project you have from start to finish. This method will typically save you some money over hiring multiple contractors.

Yes, a house can collapse from severe foundation problems if they are left unchecked. However, this is a rare occurrence that typically takes many years to develop, and a partial collapse is more likely than a full one. Homes on hillsides or in areas with frequent washouts are at a higher risk. Barring a natural disaster or other extreme circumstances, clear signs of major issues will be apparent long before a collapse is imminent. It is crucial to conduct routine foundation inspections and address any problem, no matter how minor it seems, as soon as possible to avoid threatening the structural integrity of your home.

Visible cracks, scaling, flaking, and uneven surfaces indicate a bad concrete job. Additional signs vary depending on the project. You may notice poor drainage or even exposed rebar. Quality issues result from using the wrong concrete, rushing the work, or inexperienced workers completing the job.

You could DIY the work, but unless you have plumber’s knowledge for identifying and fixing a slab leak and specialized equipment in your tool shed, attempting to DIY your slab leak repair isn’t a good idea. It’s simply not something that the average homeowner can take on themselves, regardless of how many successful DIY projects they’ve got under their belt. You could, however, do something simple like foundation waterproofing yourself to save some money on the post-repair work.

The Flanders, NJ homeowners’ guide to foundation repairs

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