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Mary Jo Zuelsdorf

State and Local Tax Manager

Phone: 720.200.7000


Mary Jo is a tax manager specializing in state and local tax.  Her primary area of expertise is sales and use tax, but also provides advisory services related to multi-state income and franchise, property, and gross receipts taxes and unclaimed property.  She joined the firm in 2019.

Prior to joining CBIZ, Mary Jo worked for eight years as a sales, use, and property tax auditor for the City and County of Denver, followed by six years working in public accounting specializing in state and local tax.  Her experience ranges many industries including construction, high-tech, hospitality, manufacturing, retail, and others.  She also frequently assists in state and local tax diligence in merger and acquisitions.

She is a Certified Member of the Institute of Professionals in Taxation (CMI) in sales and use tax.


  • Bachelor of Arts in Accounting, Fort Lewis College

Business Experience

  • Sales and Use Tax Planning
  • State Nexus Determinations
  • Multi-State Income Tax Planning
  • Unclaimed Property

Professional Memberships

  • Institute of Professionals in Taxation Member and CMI
  • Colorado Tax Audit Coalition Member

Associated Offices

Denver - CBIZ MHM Colorado 4600 S. Ulster St., Suite 900

DenverCO  80237
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