Bay Area Foundation Repair That Saves Your Home — Not Just Replaces It
From cracked and settling foundations to seismic retrofits, Cardona Construction stabilizes Bay Area homes with engineered, code-compliant repairs built to last.
40+ years in the Bay Area
Licensed
— Lic #1100158
Family-owned
and operated
5.0★ on Yelp
(22 reviews)
Backed by
30-yr warranty
Foundation Problems Don’t Fix Themselves — They Spread
That hairline crack above the doorway, the floor that slopes toward one corner, the window that suddenly won’t close — these are rarely cosmetic. They’re early signs of foundation settlement, and in the Bay Area they almost always get worse.
Our expansive clay soils swell in winter rains and shrink in summer heat, heaving and dropping the ground beneath your home. Add seismic movement and hillside lots, and a small foundation crack can turn into structural damage that threatens the whole house.
Waiting only makes it costlier. The sooner a settling foundation is stabilized, the more of your home — and your budget — you protect.
Why Bay Area Homeowners Trust Cardona Construction for Foundation Repair
For 40+ years, our family-owned team has repaired and stabilized foundations across the Bay Area. We don’t default to tearing your foundation out — when it can be saved, we save it. Whatever your home needs, from a targeted pier repair to a full seismic retrofit, we match the right method to your foundation and soil.
What you get:
Your home stabilized, not torn out
Underpinning and pier systems fix settling in place when full replacement isn’t needed — less disruption, lower cost.
Built for Bay Area seismic risk
Grade 60 steel reinforcement and seismic retrofitting brace your home against earthquakes and shifting clay soils.
Root cause solved, not just symptoms
Integrated drainage stops the water intrusion that cracks foundations in the first place.
Permits & engineering handled for you
We coordinate licensed engineers and city permits so every repair is fully code-compliant.
Our Foundation Repair Services
Foundation problems aren’t one-size-fits-all — and neither are the fixes. Here are the repair methods we use to stabilize Bay Area homes:
Partial Foundation Replacement
Rebuild only the failed sections of your foundation — saving cost and time versus a full replacement.
Foundation Underpinning
Strengthen and extend your existing foundation deeper into stable soil to stop ongoing settling.
Concrete Piers
Cast-in-place piers transfer your home’s weight onto solid load-bearing strata below problem soil.
Helical Piers
Steel screw piers install fast with minimal disruption — ideal for hillside and tight-access lots.
Foundation Stabilization
Halt active foundation movement and lift settled areas back toward level.
Seismic Retrofitting
Bolt and brace your foundation to protect your home against Bay Area earthquakes.
Is Your Foundation Beyond Repair?
Most foundations can be saved — but not all. When the structure itself has failed, a full foundation replacement is the safer, longer-lasting investment than patching a foundation that won’t hold.
Repair usually isn’t enough when you see:
- Crumbling, flaking, or sandy concrete that has lost its strength
- Severe bowing or leaning foundation walls
- Large or widening cracks (over ¼ inch) that signal active structural movement
- Rebar corrosion splitting the concrete apart from the inside
- Repeated water damage that has broken down the concrete and soil support
- Previous repairs that already failed to hold
We handle engineered, code-compliant replacements too — removing the old foundation and rebuilding with high-strength concrete and Grade 60 steel reinforcement built for Bay Area soils and seismic activity. We’ll only recommend it when a repair genuinely won’t hold.
What Bay Area Homeowners Say
Here’s how we do foundation repairs and replacement:
Our Process:
Three Steps to a Stable Foundation
Free On-Site Inspection
We assess the cracks, settling, and soil conditions and explain exactly what’s happening — no pressure.
Engineered Repair Plan
Clear scope, stamped engineering where required, and a transparent timeline before any work begins.
PCode-Compliant Repair, Warranted
Our crew stabilizes your foundation to exceed code, then stands behind the work. Foundation work backed by our 30-yr warranty
Frequently Asked Questions
How do I know if my Bay Area home needs foundation repair or full replacement?
Cracks wider than ¼ inch, sticking doors and windows, sloping floors, and gaps where walls meet ceilings all point to foundation movement. In many cases the foundation can be stabilized with underpinning or piers rather than fully replaced — our free inspection tells you which. See the full warning signs guide
Why are foundations in the Bay Area especially prone to damage?
Our expansive clay soils expand and contract dramatically between the rainy season and dry summers, while seismic activity and hillside lots add constant stress. That combination makes proactive foundation repair far more common here than in most of the country.
How much does foundation repair cost in the Bay Area?
It depends on the method and the severity — a localized pier repair is very different from foundation stabilization across an entire home. We give you a transparent, itemized quote after the free on-site inspection, so you never get a guess over the phone. Read our Bay Area cost guide
Is Cardona Construction licensed for foundation work?
Yes — we’re a licensed, family-owned contractor (Lic #1100158) with 40+ years in the Bay Area. We coordinate stamped engineering and pull city permits on every structural repair, so your project is fully code-compliant.
What’s the difference between underpinning, piers, and foundation stabilization?
Underpinning strengthens and extends your existing foundation deeper into stable soil. Concrete and helical piers transfer your home’s weight onto load-bearing strata below the problem soil. Foundation stabilization is the broader goal — we recommend the method (or combination) that fits your home and soil.
Service Areas
Foundation Repair Across the Bay Area
From the Berkeley and Oakland hills to Piedmont, Walnut Creek, and across Marin and the Peninsula, we repair and stabilize foundations throughout the Bay Area.
Ready to Stop the Cracks From Spreading?
Your foundation won’t heal on its own — but it can be stabilized before the damage spreads. Get a clear answer from a Bay Area team that’s been saving homes for over four decades.
Serving Bay Area homeowners for 40+ years — licensed, family-owned, fully insured.
Related Foundation, Concrete & Drainage Services
Explore our other specialized services designed to protect and enhance your Bay Area property.
- Foundation Replacement — Full rebuilds when a foundation is beyond repair.
- Foundation Drainage — Stop the water intrusion that cracks foundations.
- Concrete Driveways — Durable custom concrete that lifts curb appeal.
- Drainage Solutions — Complete water-management systems for your property.
