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TRUSTED BY ALPHA, NJ HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon69
    Verified foundation repairs reviews

Top-Rated Foundation repair specialists in Alpha - 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 Alpha, 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 Basement Gurus, LLC
Basement Gurus, LLC
4.8(
217
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or ReplaceConcrete Foundation - Repair

Serving Alpha, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Warranties offered

"Our foundation was seriously compromised due to water intrusion. Steve responded quickly and gave us an estimate at a great price. He was knowledgeable and informative. Dan and his team repaired our foundation, installed a drainage system and pump, as well as a vapor barrier. Our basement has been dry and free of mold since. The project was completed in a matter of days. I couldn’t believe how quickly they worked. I recommend the gurus to everyone who needs basement repairs. Thank you again!!!"
100 Ft 4 inch HDPE to drywell
Concrete Replacement
Egress Installation
Walls After Wall Pin Installation
After Concrete has been removed

+339

Response time1 day
497 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for Groundworks
Groundworks
4.6(
308
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairPoured Concrete Wall - Repair+1 more

Serving Alpha, NJ and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Emergency services offered

"I had a completely new French Drain system installed in one day! Professional courteous service from inspection thru completion. All aspects of the work to be performed were clearly explained along with justification and guaranteed satisfaction. I highly recommend Select Basement Waterproofing and commend Jason on his inspection and his team on a job well done! A pleasure to do business with them!"
Basement
Basement
Basement
Basement
Foundation

+15

Response time1 day
65 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Pro Rise Construction LLC
Pro Rise Construction LLC
5.0(
91
)
Concrete Foundation - Repair

Serving Alpha, NJ and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Pro Rise Construction LLC transformed our old cracked driveway into a beautiful and durable paved surface that instantly improved our curb appeal. The crew also repaired our front steps and added bluestone details that gave the home a luxury appearance. Vinny and Nitin stayed involved during the entire project and made sure every concern was handled properly."
Patio
Steps
Steps
Drive way pavers
78 neighbors recently requested a quote
Basement Waterproofing Specialists
4.0(
597
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairPoured Concrete Wall - Repair

Serving Alpha, NJ and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"The team came in and fixed the foundation very quickly.It looks like a new house.Everything was cleaned up when they left. Very nice crew too. Sandra C."
Foundation Repair
 Before and After Stone Work
 Mirra Drain
 Mold Remediation
 Clean Work Areas

+67

Response time11 hrs
248 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for AB1 Construction
AB1 Construction
5.0(
59
)
Concrete Foundation - Repair

Serving Alpha, NJ and surrounding areas

Approved

In business since 2000

Free estimates

Small jobs welcome

"Great experience. The technician fixed the leak, even though he really did not have any openings the day I called. He just wanted to stop it raining into the house. Then they came back out and did all the repair work on time a few days later, as arranged. Fast, efficient, but also genuinely interested in helping you out. I cannot say enough about these guys."
Response time12 hrs
Response rate97%
23 neighbors recently requested a quote
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Foundation Repair FAQs, answered by experts

The best foundation repair method will depend on the issue you’re having, but usually, foundation instability is best fixed using supportive piers, like steel piers or helical piers. A professional foundation repair contractor or structural engineer should always decide what the best course of action is, and even then, it’s imperative that you also take measures to treat the underlying issue as well, like soil erosion or oversaturation from runoff.

You can use a level or straight-edge to test for plumb foundation walls and a level slab, a level or a ball to check for sloping floors inside your home, and a hygrometer to look for moisture in your underhome area. Aside from these DIY tests, it’s important to get a foundation repair specialist or structural engineer to test the foundation to see if it’s supporting your structure properly. They can determine if the loads on the concrete are uneven or need reinforcement.

Concrete pools are very durable but can crack if not properly maintained. The most significant risk is winter weather and low temperatures when water can seep into crevices and freeze. To avoid damage, use the proper winterization chemicals, and don’t completely drain your pool. Concrete pool repairs cost around $75 per linear foot for small cracks.

Minor slab leaks normally take around three hours to access and fix, provided the leak is in an accessible location. However, a more extensive leak or a leak in a hard-to-reach location can take several days to fix, depending on the resulting damage. You might also want to consider the timeline for the build-back if the leak damages building materials like flooring or cabinets, which can take several weeks, including delivery of the materials.

If you don’t have any access to or knowledge of any area underneath your home, chances are it’s built slab-on-grade. You can also look for the concrete around the bottom edge of your structure; if it’s just a few inches tall, it’s likely a slab. If it’s more than that, has any windows, or you have steps leading to your main entrance, you likely have a different foundation style.

The Alpha, NJ homeowners’ guide to foundation repairs

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