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

Barbara Lemmer, CPA


  • Accounting & Assurance Manager
  • Phone: 925-600-8500 Ext. 210
  • blemmer@depretis-cpa.com

Barbara Lemmer, CPA, is the accounting and assurance manager at DePretis CPAs. She has extensive experience working with development stage companies in the high tech industry including software development and medical devices.

After graduating from Santa Clara University, Barbara began her public accounting career at Arthur Young & Company and has worked in private industry and public accounting for nearly 30 years. Barbara is an active member of her church where she has served as treasurer for over 15 years. She is a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants.


  • Barbara Lemmer

    It is Time to Outsource your Accounting?

    5 Steps to Improve your Financials from a Problem to an Advantage Precise and current financial info...Read More

  • Barbara Lemmer

    New Tax Credits Encourage Businesses to Expand to California

    After years of being perceived as a state that doesn’t go out of its way to welcome businesses, Ca...Read More

  • Barbara Lemmer

    IRS Extends Grace Period for Partial Disposition Elections

    The Internal Revenue Service recently released final regulations regarding the disposition of tangib...Read More