(925) 600-8500 talk2us@depretis-cpa.com

Colleen Hornbacker, CPA

  • Tax Manager
  • Phone: 925-600-8500 x207
  • chornbacker@depretis-cpa.com

Colleen Hornbacker, CPA, is the tax manager at DePretis CPAs. She is an experienced professional serving the tax and accounting needs of clients in a variety of industries for over 25 years.

After graduating from California Polytechnic State University at San Luis Obispo, Colleen began her public accounting career at Arthur Young & Company. After spending a few years in public accounting, she joined Apple Computer, Inc. where she served in various functional areas performing accounting, analysis, and planning work for over 10 years. Colleen and her family have deep roots in the Livermore Valley community. Colleen is a member of the California Society of Certified Public Accountants.


  • Colleen Hornbacker

    Surface Transportation Act of 2015 Includes Significant New Tax Provisions

    On July 31, 2015, President Obama signed the Surface Transportation Act of 2015 into law. The law no...Read More

  • Colleen Hornbacker

    Tax Time in the Summer?

    How planning in the summer can lead to savings next spring Most Americans don’t spend their su...Read More

  • Colleen Hornbacker

    Are you ready for the “Employer Mandate?”

    The “employer mandate” is one of the many provisions of the Affordable Care Act (ACA) that busin...Read More