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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon15
    Verified foundation repairs reviews

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

Avatar for Basement Gurus, LLC
Basement Gurus, LLC
4.8(
217
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or ReplaceConcrete Foundation - Repair

Serving Dover, DE 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
471 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for Basement Waterproofing Nationwide Inc
Basement Waterproofing Nationwide Inc
4.6(
188
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RaiseConcrete Foundation - Repair+1 more

Serving Dover, DE and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"We got 5 estimates from companies regarding a leak in our office and adjoining storage unit. This was the only company that accurately pinpointed the problem , which was a leak coming from gaps surrounding our electrical conduit pipe. Other companies had quoted us 6400$ to dig up the front yard and redo everything from the outside. Others wanted to dig up the inside. I’m so glad Mike explained everything to me clearly- and it all came down to common sense. These guys found the exact spot where the leak was coming from, and knew how to fix it. He also suggested replacing our sump pump because it was the original, and mud was starting to back up. He suggested we do this as it would be tragic to fix one problem and have another occur (and subsequent flooding) that could have been prevented. There was a minor connectivity issue with the sump pump a couple weeks later but I called at 9 am, the man who took the call put it in as an emergency because of some water splashing out and the problem was fixed by 11 the same day. Great responsiveness and customer service. I feel confident in my decision to choose this company, and would recommend them to others."
Additional Photos
Response time2 days
8 neighbors recently requested a quote
Recommended by89%of homeowners
Basement Waterproofing Specialists
4.0(
597
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairPoured Concrete Wall - Repair

Serving Dover, DE and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Excellent, hard working forman and crew who knew what they were doing. Foundation repair and installation of sump pit. pump and backup pump was completed in two days, as promised. Highly recommend."
Foundation Repair
 Before and After Stone Work
 Mirra Drain
 Mold Remediation
 Clean Work Areas

+67

Response time11 hrs
263 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for '58 Foundations
'58 Foundations
3.6(
45
)
Concrete Foundation - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Dover, DE and surrounding areas

Approved

In business since 1958

Free estimates

Warranties offered

"Led by Brett Boyles (foreman) out of the York/Red Lion area; Brett, Clarence and John took care of some flooding issues that have been plaguing us for years. They fixed cracked cinder block walls, they put in a BDry system that is BEAUTIFUL, they turned a passive French-Drain system into an active system, and they turned an unhealthy basement into one with healthy air quality. They worked so hard and were so courteous, I feel so much more relaxed now. Brett knows his stuff and the other guys were awesome as well. I am so grateful...NOBODY ELSE will touch my basement ever again.....only 58 Foundations!!! Thank you guys, very much. Sincerely, Dan Crum"
Basement Waterproofing
Basement Waterproofing
Basement Waterproofing
Basement Waterproofing
Basement Waterproofing

+10

Response time2 days
1 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for JR Construction
JR Construction
4.7(
13
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or ReplaceConcrete Foundation - Repair

Serving Dover, DE and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. \n

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24 neighbors recently requested a quote
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Foundation Repair FAQs, answered by experts

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.

Foundation settling is normal and expected if just a small amount of settlement occurs within a year or so after construction. This usually results in hairline cracks in the foundation, which aren’t typically a problem. If settlement occurs years after construction, unevenly under your home, or results in signs of structural damage, then it could be very serious. Foundation stabilization and drainage system installation to fix unnatural settlement can cost tens of thousands of dollars and compromise the structural integrity of your entire 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.

Whether you need a permit for foundation repair depends on your location and the scope of the work. Major repairs like foundation stabilization typically require a building permit, while smaller projects such as sealing non-structural cracks or applying waterproofing solutions often do not. It's crucial that your contractor follows all local building codes, as an inspector will review the work to ensure it's up to standard. Failing to obtain the necessary permits can create issues when selling your home and may lead to further damage if the work is not done correctly. Your foundation repair specialist will usually know if a permit is needed and can handle the process for you. You can also contact your local building department or municipal office to confirm the requirements and verify that your contractor has filed the appropriate paperwork.

The Dover, DE homeowners’ guide to foundation repairs

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