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Concrete Foundations & Slabs
You can't see your foundation once the house is built. But you'll feel the consequences of poor foundation work for as long as you own the property.

When you need concrete slab installation or house foundation installation in Antioch, you're literally building the base that everything else depends on. Walls, floors, plumbing, electrical—it all sits on that slab. Get it wrong and you're looking at cracks, settling, moisture problems, and repair bills that make you wish you'd just hired the right concrete foundation contractor near me from the start.
We're the concrete slab contractor near me that property owners call when they want it done right. Not fast. Not cheap. Right.
Foundation Work That Lasts Generations
As a house foundation contractor , we've poured foundations for new homes, additions, and remodels throughout Antioch. We understand soil conditions here, we know the code requirements, and we've seen what happens when contractors cut corners on base prep or reinforcement.
Our foundation installation contractor process starts with proper site evaluation. We test soil conditions, assess drainage, and design your foundation based on actual engineering—not guesswork.

ADU Slab Foundations: Building Your Extra Income
Adding an ADU to your property? ADU slab foundations require the same attention to detail as your main house. We've installed slab foundation contractor near me projects for dozens of ADUs in Antioch, and we know exactly what the city requires for permits and inspections.
Garage Floor Installation & Concrete Slab Repair
Need garage floor installation that can handle oil stains, heavy equipment, and daily use? We pour residential concrete floor contractor slabs designed for real-world conditions. We also handle concrete slab repair when existing slabs develop cracks or settling issues.
Whether it's a residential concrete slab contractor project for your home or concrete slab pouring contractor work for new construction, we bring the same level of precision to every pour.
Your foundation isn't the place to save a few hundred bucks. Call us for a detailed estimate on your concrete foundation installation project—we'll explain exactly what we're doing and why it matters.
Frequently Asked Questions
What's the difference between a slab foundation and other foundation types?
A slab foundation is a single layer of concrete poured directly on prepared soil—it's the most common type in California. Crawl space foundations elevate the house on short walls, and basement foundations go below ground. Slabs are cost-effective, work well in our climate, and eliminate moisture problems associated with crawl spaces. They're ideal for Antioch's soil conditions.
How long does house foundation installation take?
Most residential slab foundations take 3-5 days from excavation to final pour. Site prep and forming take 1-2 days, pouring takes a day, and then we need 2-3 days for initial curing before framing can start. Larger homes or complex sites take longer. Weather affects timing too—we don't pour in rain or freezing temperatures.
Do I need a different foundation for an ADU than my main house?
ADU foundations follow the same engineering principles as your main house, but they're scaled to the structure's size and load. The city requires the same permits and inspections. We design ADU slab foundations based on the unit's footprint, local soil conditions, and building codes. Many ADUs use post-tension slabs for added strength with less concrete thickness.
What causes concrete slabs to crack, and can it be prevented?
Slabs crack due to soil settlement, inadequate base preparation, improper curing, missing or poorly placed control joints, or tree roots. We prevent most cracking through proper site prep, correct concrete mix design, adequate reinforcement, strategic control joint placement, and proper curing procedures. Some hairline cracks are normal, but large cracks indicate problems.
Can you repair an existing concrete slab, or does it need replacement?
It depends on the damage. Minor cracks can be repaired with epoxy injection or routing and sealing. Significant settling or structural cracks often mean the base has failed, and repair is just a temporary fix. We'll assess your slab honestly and tell you whether concrete slab repair makes sense or if replacement is the smarter long-term investment.
How much does a concrete slab foundation cost?
Foundation costs vary widely based on size, site conditions, soil type, access for equipment, and engineering requirements. A typical residential slab might range from $8,000 to $20,000+, but that's just a rough ballpark. ADU slabs are obviously smaller and less expensive. The only way to get accurate pricing is to have us evaluate your specific property and project requirements. We provide detailed written estimates at no charge.
What's involved in garage floor installation?
Garage floor installation requires proper base preparation, adequate slope for drainage, thicker concrete than interior floors (typically 4-6 inches), and proper finishing for traction. We also install control joints to manage cracking and can add sealers to resist oil stains. The process takes 2-3 days including base prep, forming, pouring, and finishing.
Do you handle commercial foundation work?
Yes. We install foundations for commercial buildings, warehouses, and industrial facilities. Commercial foundations often require heavier reinforcement, thicker slabs, and more complex engineering than residential work. We coordinate with structural engineers and work within commercial construction schedules.