Recent Septic, Drilling & Area Drain Projects in Fresno & Madera Counties

Big Bore Drilling specializes in the installation of certified septic systems, engineered leach fields, area drains,

dry wells, and large-diameter drilled footings across Central California.

These completed projects span Fresno, Madera, Clovis, and surrounding communities throughout the San Joaquin Valley.

All excavation work shown in the gallery is part of our fully licensed C-42 and Class A construction services —

 performed to meet local code, soil conditions, and permitting standards.

Commercial PROJECTS

From school districts and retail centers to large rural estates, our commercial projects include certified septic systems, oversized leach fields, Vac-Con excavation, and drilled caissons — all installed to meet county and engineer specifications.

Residential Projects

These homeowner-focused installs range from new septic systems and tank replacements to test holes and drainfield upgrades. Every job is designed to meet county real estate or permitting requirements.

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Foundational Footing Projects

These projects showcase our large-diameter drilled holes for structural engineers and commercial builders. Applications include caissons, dry wells, and auger-based footings up to 144" wide and 70' deep.

Ready to get started on your own septic, drilling, or area drain project?


 Big Bore Drilling offers free, no-obligation estimates for residential and commercial work throughout Fresno, Madera, and surrounding areas.

Our licensed team is here to answer your questions, provide upfront pricing, and ensure your project meets all local code and county requirements.

Call us today or click below to request your free estimate.