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(925) 318-9840

5/5 Rated Business

One Day Installation

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5/5 Rated Business

One Day Installation

Satisfaction Guaranteed

Rated 5/5 by customers

Cracked Walls. Sloping Floors. Sticking Doors. Your Foundation Is Failing — And It Won't Fix Itself.

If your home has cracks, uneven floors, or sticking doors and windows, your foundation may be shifting—and Bay Area clay soil only makes it worse. We don't offer temporary fixes. We replace failed foundations with engineered, code-compliant systems built for Bay Area soil and seismic conditions, backed by 40+ years of local experience.

Full foundation replacement — no band-aid fixes
Engineered for Bay Area clay & seismic zones
Permitted, code-compliant, inspection-ready
Transparent pricing — no surprise change orders
Protects your home's structural integrity for 50+ years

Request A Free Estimate Today!

What Is Foundation Replacement?

Foundation replacement is the complete removal and reconstruction of your home's failed foundation system — not a temporary patch, not a cosmetic crack fill. When existing footings have shifted, cracked, or deteriorated beyond repair, replacement is the only solution that fully restores structural integrity and protects your home's value. Our team excavates the failed foundation, engineers a new system designed for Bay Area's expansive clay soil, and rebuilds to current seismic code — so the problem is solved permanently, not deferred.

CALL US: (925) 318-9840

Warning Signs Your Foundation Is Failing

🚨 Visible cracks in foundation walls, floors, or exterior brick

🚨 Doors and windows that stick, jam, or won't close properly

🚨 Floors that slope, sag, or feel uneven when you walk

🚨 Gaps between walls and ceilings, or walls and floors

🚨 Stair-step cracks in drywall, brick, or tile

🚨 Chimney leaning, separating, or pulling away from the house

🚨 Water pooling near the foundation after rain

If you see two or more of these signs, every month you wait costs you more. Foundation damage compounds — small cracks become structural failures, and repair costs can triple within a year.

CALL US: (925) 318-9840

What Is Foundation Replacement?

Foundation replacement is the complete removal and reconstruction of your home's failed foundation system — not a temporary patch, not a cosmetic crack fill. When existing footings have shifted, cracked, or deteriorated beyond repair, replacement is the only solution that fully restores structural integrity and protects your home's value. Our team excavates the failed foundation, engineers a new system designed for Bay Area's expansive clay soil, and rebuilds to current seismic code — so the problem is solved permanently, not deferred.

CALL US: (925) 318-9840

Warning Signs Your Foundation Is Failing

🚨 Visible cracks in foundation walls, floors, or exterior brick

🚨 Doors and windows that stick, jam, or won't close properly

🚨 Floors that slope, sag, or feel uneven when you walk

🚨 Gaps between walls and ceilings, or walls and floors

🚨 Stair-step cracks in drywall, brick, or tile

🚨 Chimney leaning, separating, or pulling away from the house

🚨 Water pooling near the foundation after rain

If you see two or more of these signs, every month you wait costs you more. Foundation damage compounds — small cracks become structural failures, and repair costs can triple within a year.

CALL US: (925) 318-9840

Protect Your Home Today

A failing foundation won't repair itself — and every season of Bay Area weather makes it worse. Get a free, no-obligation inspection from a licensed foundation specialist with 40+ years of local experience.

CALL US: (925) 318-9840

The Cardona Construction Advantage

Quality Materials

We use only specification-grade materials built to outlast Bay Area conditions:

High-strength reinforced concrete
Seismic-rated rebar and tie systems
Engineered drainage to protect new foundation
Code-compliant moisture barriers

LICENSED & PERMITTED INSTALLATION

Every project is fully permitted, inspected, and built to current code:

Licensed foundation specialists, not subcontractors
Engineered plans stamped by structural engineers
City-permitted with pulled inspections
Clean job site, protected landscaping, predictable timelines

Local Expertise

40+ years solving foundation failures unique to our region:

Expansive clay soil engineering
Seismic retrofit experience
Hillside and slope foundation work
Knowledge of every Bay Area municipality's code

CALL US: (925) 318-9840

The Cardona Construction Advantage

Quality Materials

We use only specification-grade materials built to outlast Bay Area conditions:

High-strength reinforced concrete
Seismic-rated rebar and tie systems
Engineered drainage to protect new foundation
Code-compliant moisture barriers

LICENSED & PERMITTED INSTALLATION

Every project is fully permitted, inspected, and built to current code:

Proper depth and slope for maximum efficiency
Strategic placement for optimal water collection
Professional compaction to prevent settling
Seamless integration with existing landscape

Local Expertise

With decades of experience in the Bay Area, we understand:

Licensed foundation specialists, not subcontractors
Engineered plans stamped by structural engineers
City-permitted with pulled inspections
Clean job site, protected landscaping, predictable timelines

CALL US: (925) 318-9840

Foundation Replacement Gallery

What Our Happy Customers Say About Us

★ ★ ★ ★ ★

They helped me repair part of a foundation that was cracking, their whole team got the job done fast!! Would recommend to all friends and family.

Usoto 42

★ ★ ★ ★ ★

Cardona Construction did a great job with our French drain and foundation repair. They were professional, efficient, and the quality of work was excellent. Highly recommend them for any drainage or foundation needs!

Christian Gomez

★ ★ ★ ★ ★

We got to use Cardona Construction for a roof job. Rene was very efficient and very reasonable in pricing. I would highly recommend them. They do phenomenal work.