Professional Foundation Construction, Replacement & Repair in Marin, San Francisco & San Mateo Counties
A strong foundation is the most important structural component of your home. Maldonado Concrete specializes in new foundation construction, foundation replacement, seismic upgrades, and foundation repair throughout the Bay Area. With more than 12 years of hands-on experience, we deliver long-lasting, code-compliant solutions designed to withstand the region’s unique soil and seismic conditions.
Whether you’re building a new home addition, repairing an aging foundation, or replacing a failing one, our team provides the expertise and craftsmanship needed for safe, durable results.
Our Foundation Services
1. New Foundation Construction
We build high-strength, code-compliant foundations for:
- New homes
- ADUs (Accessory Dwelling Units)
- Room additions
- Garage conversions
- Structural slabs & grade beams
- Retaining wall–integrated foundations
Our work follows engineering plans, local building codes, and best practices for Bay Area soil movement and hillside properties.
2. Foundation Replacement
Older Bay Area homes often suffer from settling, cracking, or structural failure. We provide complete foundation replacement services, including:
- Lifting and supporting the structure
- Removing damaged concrete
- Pouring a new engineered foundation
- Reinforcing with rebar and structural steel
- Adding drainage, waterproofing, or retaining systems when needed
Your new foundation will meet or exceed all local seismic and structural requirements.
3. Foundation Repair
If your foundation is showing signs of damage, prompt repair can prevent costly structural issues. We specialize in:
- Crack repair (horizontal, vertical, structural)
- Leveling / stabilization
- Concrete reinforcement
- Seismic retrofitting
- Stem wall repair
- Footing repair
- Water intrusion correction
Our repair solutions restore safety and prevent future movement or deterioration.
4. Seismic Upgrades & Earthquake Reinforcement
With Bay Area seismic activity, foundation reinforcement is essential for long-term safety. Our seismic services include:
- Adding anchor bolts
- Installing steel reinforcement
- Shear wall preparation
- Strengthening footings
- Rebar upgrades
- Structural stabilization for older homes
These upgrades significantly improve a structure’s earthquake performance and can reduce future damage.
5. Foundation Inspections & Assessment
Concerned about cracks, settling, or uneven floors? We provide professional assessments to determine the cause and best repair options.
Common issues we evaluate:
- Soil movement and settlement
- Poor drainage impacting footings
- Cracks spreading in walls or floors
- Sloping floors
- Water intrusion near the foundation
- Visible concrete deterioration
You’ll receive a clear explanation and recommended solutions.
Why Bay Area Homeowners Choose Maldonado Concrete
- 12+ years of foundation expertise
- Skilled with hillside, clay soil & seismic zone conditions
- Detailed, accurate, and transparent estimates
- High-quality craftsmanship—engineered for durability
- Fast, reliable communication and on-time project delivery
- Owner-supervised work on every foundation project
Foundation construction is specialized work. We ensure every project is safe, stable, and built to last.
Service Areas
We provide foundation services throughout:
Marin County • San Francisco • Daly City • South San Francisco • San Mateo • San Bruno • Burlingame • Millbrae • Redwood City • San Rafael • Novato • Mill Valley & surrounding areas
Ready to Start Your Concrete Project?
Contact Maldonado Concrete today for a free estimate.
We look forward to helping you build something strong, beautiful, and built to last.
📞 (415) 424-5167
📍 Serving Marin, San Francisco & San Mateo Counties