Commercial & Residential

Foundation Drilling

Saribalis Construction is the premier provider of foundation drilling services in the greater Bay Area for over 25 years.

Precise drilling for footings, piers, and structural supports

Foundation drilling is where accuracy matters most. Saribalis Construction provides foundation drilling for residential and commercial projects, delivering clean, correctly placed holes at the required depth so your foundation system can be built safely and to spec.

Whether you’re preparing for new construction, an addition, or structural reinforcement, we help set the job up for a smooth pour and a strong build.

Foundation drilling services

We drill for a wide range of foundation and structural needs, including:

Pier/caisson drilling for structural support
Drilling for footings and reinforced foundation elements
Sonotube/post hole drilling (as applicable)
Layout support and coordination with plans/specs
Jobsite-ready drilling with cleanup and spoil management (as applicable)

Residential foundation drilling

For homeowners and builders, we provide drilling support for:

New homes and additions
Deck and patio structural supports (as applicable)
Hillside or challenging access sites (as applicable)
Repair and reinforcement projects requiring piers (as applicable)

Commercial foundation drilling

Commercial drilling often requires tighter scheduling and coordination. We support:

New construction and site improvements
Structural supports for slabs, pads, and equipment areas (as applicable)
Coordination with general contractors, engineers, and inspections (as required)

Our process: clear, professional, and jobsite-ready

We keep foundation drilling projects straightforward and well-managed:

Review & site check: access, soil conditions, utilities, and scope
Layout & drilling: drill to plan requirements and confirmed locations
Cleanup & handoff: remove spoil (as applicable) and prep for forms/rebar/pour

Why drilling quality matters

Good drilling helps prevent delays and rework. Our focus is on:

Accurate placement and consistent depth
Safe, controlled drilling practices
Clear communication with your project team
A clean, organized jobsite that’s ready for the next phase

Service Area

All of the San Francisco Bay Area from Sonoma/Napa County to Santa Cruz/Santa Clara County

Foundation Drilling FAQ's

What are the warning signs that my home may need foundation underpinning or piers?
Look for cracks in walls or ceilings, doors and windows that stick, sloping floors, gaps around window frames, or visible foundation cracks. These may indicate foundation settlement.

How does foundation drilling stabilize a settling home?
Foundation piers are drilled deep into stable soil or bedrock beneath the home. They transfer the structure’s weight from unstable surface soils to stronger, load-bearing layers, preventing further settlement and often lifting the foundation back toward its original position.

Is foundation pier installation disruptive to landscaping or daily life?
Installation is localized to specific areas around the foundation. While some excavation is required, we minimize disruption and restore affected landscaping as much as possible once work is complete.

How long does foundation underpinning typically take?
Most residential underpinning projects take several days to a week, depending on the size of the home and the number of piers required.

Can foundation issues get worse if left unaddressed?
Yes. Foundation problems typically progress over time, leading to more structural damage and higher repair costs. Early intervention helps protect both the structure and your investment.

Need foundation drilling for an upcoming project?

Schedule an on-site evaluation and get a clear estimate.

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