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TRUSTED BY RIVERSIDE, CA HOMEOWNERS

  • Average homeowner rating star icon3.6
    Average homeowner rating
  • Verified reviews icon34
    Verified foundation repairs reviews

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

Avatar for Saber
Saber
3.8(
165
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Riverside, CA and surrounding areas

Approved

In business since 1986

Free estimates

Small jobs welcome

"My driveway was in bad shape with cracking and sinking in some areas. Scott and his crew fixed all the cracks and expansion joints filled them and leveled the driveway in one of the cement blocks that was sinking. They also filled the gaps and completed the job in one day. I highly recommend them for any driveway repairs."
REIG Operation Renovation
REIG Operation Renovation
REIG Operation Renovation
REIG Operation Renovation
REIG Operation Renovation

+29

Response time3 days
Response rate93%
29 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
3.5(
176
)
Concrete Foundation - RaiseFoundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - Repair+1 more

Serving Riverside, CA and surrounding areas

Approved (Corporate)

In business since 1995

Free estimates

Warranties offered

"Bob Warren was simply terrific, i had a great experience consulting on my crawl space. Really, Ive never had a crawl space and while having one in my first home i did not know what to look for that was in need of repair. Bob did a thorough job looking over it for me and very honestly delivered me feedback. Turns out i am not in a dire need of repairs but when i do, i know who to turn to. Thank you Bob, and GroundWorks for the professionalism"
Foundation
Foundation
Foundation
Concrete
Concrete

+16

Response time11 hrs
87 neighbors recently requested a quote
Recommended by38%of homeowners
Avatar for Just Stamping Concrete
Just Stamping Concrete
5.0(
28
)
Concrete Foundation - RaiseConcrete Foundation - RepairPoured Concrete Wall - Repair

Serving Riverside, CA and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"I hired this landscape designer to transform my backyard, and I couldn't be happier with the results. The designer was professional, creative, and attentive to my needs throughout the entire process. The end result was stunning and exceeded my expectations. Highly recommend!"
Concrete
Response time2 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for 21st Century Waterproofing
21st Century Waterproofing
4.8(
31
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Riverside, CA and surrounding areas

Approved

In business since 1992

Free estimates

Small jobs welcome

"Anyone who has waterproofing needs should hire Bill and his team. They are fantastic. I am the President of our HOA ( 5 townhome building) and a resident in one of the 5 units. The building had a number of areas in our underground common area and one resident's garage in particular where water was draining from outside of the foundation of the building. There were no less than 4 separate areas where water was entering the interior of the building. Of all the contractors we interviewed for the job, Bill was the most honest, practical, thoughtful and analytical in his approach to the job. He was more like a surgeon carefully dissecting the problem and then fixing the issues, one a time rather than what most of the other contractors wanted to do, which was tear up the east side of the building and "we'll then see what the problem is." He and his team showed up everyday they said they would - on time. They worked hard and cleaned up their work area every time they were there. He tested his work (flooding areas and letting the water sit for 48+ hours) to make sure he had done the job right and completely. He explained what he was going to do and then he did it. I highly, highly recommend 21st Century Waterproofing. One of the best contractors I have ever hired - for ANY JOB - in my 30+ years of managing properties."
Response time1 day
Response rate88%
8 neighbors recently requested a quote
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Foundation Repair FAQs, answered by experts

Yes, you can fix a block foundation. It’s important to address the issue immediately and have a foundation repair professional understand the severity of the issue and determine the best course of action. If the wall collapses before the foundation is repaired, then you’ll have to reassess your entire foundation.

Regularly inspecting your foundation—at least the visible sections—for signs of foundation issues like moisture and pest infestation is a good way to identify slab leaks early, as is keeping an eye and ear out for water damage to indoor building materials, above-average water bills, sounds of running water when no fixtures or appliances are on, and indoor humidity that causes the temperatures to feel more extreme. If you do find any issues, contact a plumber right away to check it out for you.

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.

Cracked tiles can mean foundation problems. Fortunately, most of the time, cracked tiles happen as a result of accidental damage. It is important to determine the cause of cracking to rule out underlying foundation issues. If your tiles were not damaged due to dropped items, heavy loads, poor installation, or inferior tile quality, and the cracks are spreading throughout your flooring and not limited to just one area, you may be dealing with foundation problems. These can include drainage problems and even foundation failure, so it is vital to call a licensed contractor to assess the issue and ensure your foundation is safe.

Yes, you can replace a cinder block foundation. If a block foundation is too severely damaged to repair cracks and other issues, replacing the entire foundation is a viable option. The job will require a professional and can take between one to seven days on average to complete, depending on how complex the problem is.

The Riverside, CA homeowners’ guide to foundation repairs

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