Core drilling through reinforced concrete floor slab
Licensed & Insured

Precision Concrete Core Drilling

Commercial & residential concrete cutting, coring, and drilling services throughout the Bay Area

15+Years Experience
500+Projects Completed
100%Licensed & Insured
24/7Emergency Service
Overhead core drilling through concrete ceiling
15+Years of Precision Drilling
About Ortega Core Drilling

Built on Precision, Trusted by Contractors

Founded and operated by Ramon Ortega, Ortega Core Drilling Concrete Building has been delivering expert concrete cutting and coring services across the Bay Area for over 15 years.

We work directly with general contractors, subcontractors, homeowners, and property managers — providing clean, accurate, and safe work on every job site.

From a single anchor hole to a full commercial floor slab project, we bring the same level of professionalism and attention to detail every time.

What We Do

Professional Core Drilling

Diamond-core drilling rigs that produce clean, precise cylindrical holes through concrete slabs, walls, ceilings, and foundations

  • Plumbing & Drain Lines

    Clean penetrations through slabs and walls for plumbing rough-ins and drain line installations.

  • Electrical & Conduit

    Precise holes for conduit pass-throughs in concrete floors, ceilings, and walls.

  • HVAC & Ductwork

    Accurate openings for HVAC penetrations and ductwork in any concrete surface.

  • Anchor Bolt & Post Installation

    Structural anchor holes drilled to spec for bolts, posts, railings, and equipment mounts.

  • Residential & Commercial

    From single-family homes to large commercial job sites — we handle projects of every scale.

  • Any Angle, Any Diameter

    Vertical, horizontal, or angled drilling. Diameters from ½" up to 36" through any concrete.

Why Choose Us

The Ortega Difference

When precision matters and downtime costs money, contractors across the Bay Area call Ortega first

  • Licensed & Fully Insured

    LIC. # 1148087 — fully licensed contractor with comprehensive general liability and workers' comp insurance on every job.

  • Experienced Operator

    Owner Ramon Ortega personally oversees all projects with 15+ years of hands-on drilling expertise.

  • On-Time & Reliable

    We show up when scheduled and finish on time—keeping your project on track and on budget.

  • Clean, Precise Work

    Diamond-tipped equipment produces smooth, exact cuts that minimize rework for downstream trades.

  • Safety First

    OSHA-compliant practices to protect your crew and structure on every job.

  • Competitive Pricing

    Straightforward quotes with no hidden fees. We work with your budget and your schedule.

Ready to Start Your Project?

Call Ramon directly for a fast, free estimate. We respond quickly and show up ready to work.