(559) 264-4601 | 1522 W Pine Ave Fresno, CA 93728

Welcome To Big Bore Drilling Certified Septic and Hydroflushing

We are Fresno, Clovis and Madera’s premier septic contractors since 1959. Our staff is informed and our approach is professional.

We are located in Fresno California and service the Fresno county, Clovis, Madera County, and surrounding mountain areas.

Call us and we’ll come give you a quote on your septic system free of charge.

Don’t put off a job that we make easy, affordable and delivered with quality.


Our Services

  • System install & Repair
  • Tank Pumping
  • Leach Lines
  • Drain Wells
  • Lift Stations
  • Engineered Systems
  • City Sewer Hook-ups & Repair
  • Escrow Inspections
  • Hydroflushing & Vacuum Debris Removal
  • Hydro Excavation