Oakville Pump Service, Inc operates under California State Contractor's License # 744958. Our license information may be verified here.


  • Class A General Engineering Contractor

  • Class B General Building Contractor

  • Class C10 Electrical

  • Class C16 Fire Protection

  • Class C36 Plumbing

  • Class C60 Welding

  • Class D21 Machinery/Pumps

  • Class C57 Well Drilling


  • Distribution Operators with D2 certification

  • Treatment Operators with T2 certification

  • WQA Certified Installer & Water Specialist 6

  • Recognized Alternative Sewage Treatment System (ASTS) approved service provider for Napa County


Oakville Pump Service has been in business for over 35 years and is family owned and operated. We value integrity, quality & technical competence. Over the years countless irrigation, residential, commercial & public water systems have been installed, maintained, upgraded and put online to modern operating standards.  

Professional organizations: