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TRUSTED BY DEEP RIVER, CT HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon15
    Verified foundation repairs reviews

Top-Rated Foundation repair specialists in Deep River - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.9(
13
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RaiseConcrete Foundation - Repair+1 more

Serving Deep River, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Foundation
Foundation
Foundation
Concrete
Concrete

+16

421 neighbors recently requested a quote
Avatar for American Dry Basement Systems, LLC
American Dry Basement Systems, LLC
4.9(
118
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Deep River, CT and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"Let me start by telling you my backstory. I live in a house built in 1929, it has a stone foundation. It wasn't until Hurricane Sandy that I felt the effects of a house that had no waterproofing and we had about three feet of water. We did a little bit of mitigation, and had no more problems for awhile. More recently, NY had five days of non stop rain and the walls in basement and flooring barely held it together. So that's when I knew I really had to do something. Every time we heard the weather report we would keep checking that basement and our little water pump. The water pump did ok, but we had wet vacs and worked like a team, but the water was coming up through the floors. Just a little 2-3 inches can cause so much damage. This is climate change, a lot of my friends were suffering from flooding for the first time and it wasn't going to get any better. So that was it, my husband and I interviewed four different places. They were all professional, but there was something about the detailed 2 hour interview that Scott Cort, one of their top inspectors did with us and we knew that was the place we were going to deal with. Plus he dealt with a multitude of questions from my husband and didn't flinch. He was patient, showed us exactly what they would do to protect the basement from flooding. He saw how stressed I was and just plain tired of this. It was a very comprehensive plan. Scott explained the lifetime warranty. The system is self-cleaning and requires zero maintenance. There is also a clog free guarantee. It included a PITBOSS waterpump with a wifi system and a backup battery in case the power goes out. He also told me that there would be very little dust. And there was very little dust. It only took two full days of his crew working nonstop. I was a bit nervous about cutting the walls, but he picked up the phone every time I called. If he was busy, he texted me right away and got back to me in 30 minutes. (And I call a lot). I am happy with the results. My contractor checked it out and said American Dry did a great job after dropping by to see the results. And most of all, we can sleep when it rains. We are ready!!! By the way, I have never written a review this long, but I needed to shout them out, and it was competitively priced!! Thank you AmericanDry, thank you Scott Cort. It was a pleasure!"
Drainage Trench
Jackhammer
Mixing SuperCrete
Compress Wash Stones
Spreading SuperCrete

+7

Response time11 hrs
3 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Budget Dry Waterproofing, Inc.
Budget Dry Waterproofing, Inc.
4.4(
240
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or ReplacePoured Concrete Wall - Repair+1 more

Serving Deep River, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Very professional and fixed the cracks in the garage the best that I can tell. Expensive fix but well worth going with the carbon fiber, you get a 15 year transferable warranty with it. Only deducted half star because they didn't show up on a modified scheduled date."
Drain at base of bilco
going up on the wall
finished wall area
completed
finished sump pump area

+37

Response time1 day
148 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Eastern Waterproofing Co., Inc.
Eastern Waterproofing Co., Inc.
4.6(
40
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Deep River, CT and surrounding areas

Approved

In business since 1976

Free estimates

Warranties offered

"They were prompt, polite and very professional. I cannot recommend a better company to have work on your house! The concrete work looks like it will last forever and I am sure it will. If I ever need more work done they will be the first I call."
broken walk
repai
repair
addition
sidewalk and dumpster pad

+67

Response time2 days
8 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for AA Outdoor Services, LLC
AA Outdoor Services, LLC
3.9(
33
)
Concrete Foundation - RaiseConcrete Foundation - RepairFoundation Drainage - Install or Replace+2 more

Serving Deep River, CT and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"Vinny is a very friendly and professional guy who we really enjoyed working with. The quality of his work is excellent- we used him for our sidewalk and refurbishing the rod iron railings. Overall positive experience with him and the final project turned out great! We would definitely recommend him and will be using his services again in future projects."
Driveway in New Haven (West Haven)
Rear entrance and parking area (West Haven)
Rear entrance and parking area (West Haven)
Step repair (West Haven)
Step repair (West Haven)

+61

Response time9 hrs
Recommended by100%of homeowners
Avatar for M Adorno, LLC
M Adorno, LLC
4.2(
37
)
Concrete Foundation - Repair

Serving Deep River, CT and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Michael responded very quickly. He came by promptly to assess the situation. Didn't try to sell me a new roof when I wanted a repair. Returned to do the work the next day. Thank you, Michael"
Shorline Bath
Shorline Bath
Shorline Bath
Shorline Bath
Shorline Bath

+2

Response time10 hrs
85 neighbors recently requested a quote
Recommended by92%of homeowners
Sonart Construction Corp.
2.3(
7
)
Concrete Foundation - RaiseConcrete Foundation - RepairPoured Concrete Wall - Repair

Serving Deep River, CT and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

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Foundation Repair FAQs, answered by experts

You can seal a concrete slab by cleaning the surface, filling in any cracks, etching the surface, applying a sealer, and letting it dry. Concrete slabs don't typically need sealing, but you can use a topical concrete sealer if you notice signs of water damage. If you haven't already fixed the cause of the leak, then you'll want to repair the plumbing before you seal a concrete slab.

Most building departments will require that a certified and licensed foundation repair professional or a structural engineer pull permits for foundation repair, so homeowners usually cannot pull them themselves. This helps ensure that an experienced professional completes all structural work on your home. Minor repairs that are technically DIYable often won’t require permits, but it’s still a good idea to hire a professional to carry out foundation repairs.

No, hairline cracks in concrete are generally not a problem as they do not impact the strength and longevity of the concrete. Generally, cracks less than 0.3 millimeter wide don’t impact the structure. Hairline cracks can grow over time and weaken the structure, such as in a home foundation. Some hairline cracks can also cause leaks in a foundation. It’s important to watch the cracks to see if they grow. Contact a concrete contractor if you notice cracks exceeding 0.3 millimeter wide.

Efflorescence can damage a concrete slab for two to three years. After that, it resolves on its own once the surrounding salts are gone.

Many horizontal cracks in home foundations result from water and soil pressure from outside of the building or from a footing that is shifting. Under those circumstances, horizontal cracks are a structural problem that requires repair before they become worse and more difficult to fix. However, in very specific cases, thin horizontal cracks may simply be a cosmetic blemish due to concrete shrinkage.

The Deep River, CT homeowners’ guide to foundation repairs

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