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    Verified foundation repairs reviews

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

Avatar for Foundation Repair of CA
Foundation Repair of CA
5.0(
3
)
Concrete Foundation - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cupertino, CA and surrounding areas

Approved

In business since 2011

Free estimates

Small jobs welcome

At Foundation Repair of CA, we specialize in stabilizing homes and businesses throughout Northern California. We specialize in primary foundation damage repair of all types. We provide solutions for failing foundations, including sinking or settling foundations, sagging crawl space, crawl space encapsulation and insulation, and earthquake retrofitting. Our expertise also includes concrete restoration, which incorporates concrete lifting and leveling of slabs, driveways, walkways and pool decks, and more! \n \nWe pride ourselves in providing free, no obligation foundation repair quotes for homeowners within our service area. Protect your home or business. Call us today.

PolyLevel Slab Lift - Before
PolyLevel Slab Lift - After
Pool Deck - Before
Pool Deck After
Response time1 day
Response rate94%
1 neighbors recently requested a quote
Avatar for Geico Builders
Geico Builders
5.0(
62
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cupertino, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"First of all let me start saying that Mila and Crew are awesome people you can trust/rely on. We had an existing rotten staircase with so many cracks . They removed and replaced with red wood materials . They asked for the requirements and were very good and fast in understanding what we wanted. Their work was perfect. They not only completed it in the scheduled time but also did a great clean up after the job. I asked them to seal the railing and they did together with the sanding including which was not in the initial scoop of work. Overall Mila and her crew did fantastic work and communication with in project was very clear. We highly recommend. They are very clear, patient, hardworking, friendly and accommodating. What else anyone would need? Thanks so much Mila and Geico Builders. I have already started letting everyone know about your work in my neighborhood."
Composite Deck Replacement Trex
Full Backyard Remodel with Outdoor Kitchen
Remodeling - Kitchen & Bathroom Project
Deck Replacement Composit
Composite Deck

+270

Response time1 day
Response rate100%
12 neighbors recently requested a quote
SGB Inc.
5.0(
6
)
Foundation Drainage - Install or Replace

Serving Cupertino, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"The team was amazing! We had an old deck in our backyard and we hired Palm Construction to replace and extend it and they did a great work! The job was done in less than 2 weeks, Communication was great, they cared about the backyard and plants and we are so happy itâ s all ready just before summer. Highly recommended!!"
Response time2 days
Response rate86%
Recommended by100%of homeowners
Avatar for Cortez Bros Concrete Construction Inc
Cortez Bros Concrete Construction Inc
4.6(
29
)
Concrete Foundation - RepairPoured Concrete Wall - Repair

Serving Cupertino, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"The Cortez Brothers did an exceptional job. They viewed the property right away. Provided an estimate within adequate time. Went over my preferences. Rebuilt a fence and addition. Were very polite. Kept me in the loop with emails and phone calls. Their work turned out absolutely beautiful. I highly recommend them. I will be hiring them for painting various patio areas. With the many contractors I've worked with in the past I've felt very lucky to have found them."
Driveway
Bocce ball court and patio
Ashlar cut slate
Stamp patterns
Stamp patterns

+63

Response time2 days
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Carrillo Landscape
Carrillo Landscape
4.1(
44
)
Foundation Drainage - Install or Replace

Serving Cupertino, CA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"recently we hired Carrillolandscape to make up our patio, oscar came up with brainstorming ideas to help us clear up our minds and the result was beautiful. they install turf to make things more affordable and low maintenance removing some things that make our space safer and bigger by installing pavers and some plants. Thank you, Oscar and your team for such a great job."
Pavers installation
Pavers installation
Response time7 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Groundworks
Groundworks
3.1(
9
)
Concrete Foundation - RaiseConcrete Foundation - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation+1 more

Serving Cupertino, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"The Groundworks folks (formerly Bay Area Underpinning) applied their foundation-underpinning technology and expertise to extend to bedrock, level, square up the foundation for an extensive house remodel. I was most impressed by the young man onsite supervisor, Josh who answered all my work done, how and why questions. I wish this info was provided up front by the estimator. (My design-build remodel contractor referred this company)."
Foundation
Foundation
Foundation
Concrete
Concrete

+16

110 neighbors recently requested a quote
Recommended by12%of homeowners
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Foundation Repair FAQs, answered by experts

Foundation problems are costly to repair, but if you already own the home, you can either handle the issues or allow the property to (literally) sink into disrepair. The opposite is true when buying a home. Walk away if the seller refuses to lower the asking price once foundation issues are exposed or if they refuse to handle the problems before the completion of the sale.

Yes. A foundation wall can usually be replaced, but you’ll want to call a foundation professional.

If improperly installed, an egress window can compromise your foundation’s structural integrity, so it’s important to work with a pro to ensure your foundation remains in good shape. Any money you may save on a DIY egress window installation may cost you in the long run if your foundation is damaged in the process.

It’s usually not a big deal if your foundation sinks between 2 and 3 inches into the ground after construction, provided the settlement occurs evenly. This is usually indicative of normal settlement that occurs as the soil under your home adapts to the weight of the structure. If the home sinks more into the ground or the settlement occurs unevenly, leaving portions of your home to sink further down than others, then call a foundation repair specialist to address the issue and avoid additional damage.

Tree roots don’t necessarily break through concrete on their own, but they can certainly take advantage of existing cracks, even very small ones. As roots grow, they expand the cracks, making them larger and leading to serious and costly foundation damage. It’s a good idea to have repairs on any foundation cracks you’re concerned about.

The Cupertino, CA homeowners’ guide to foundation repairs

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