marytondenOriginally, from the East Coast, Ms. Tonden received a Bachelor of Science in Journalism with a concentration on Economics from Boston University. After moving to Los Angeles, she started out in the film business.

However, her love of numbers brought her to tax preparation and bookkeeping.Ms. Tonden has worked on over 1,500 tax returns and bookkeeping projects,and is an alumnus of H&R Block. She opened her own firm, Tonden &Associates in 2009, and is CTEC certified as a registered tax preparer in bothCalifornia and New York. Ms. Tonden is also an authorized ITIN Acceptance Agent with the IRS. She loves working as a problem solver for her clients, who are often entrepreneurs, musicians, artists and out-of-the-box thinkers.

Ms. Tonden thinks numbers are extremely fun. She has met Bob Dylan.


  • "Mary Tonden is as vital to my business as are my clients. Her service is exceptional. Her expertise is multi-faceted. Her energy is infectious. There is no person I trust more with my personal & professional finances than Tonden & Associates."

    Carrie Jablonow, Culinary Curator
  • "My business and I wouldn't know what to do without our lovely accountant, Mary Tonden! She is knowledgeable not only about accounting but also about how to run a business. Tonden & Associates is the best choice for my business and personal accounting needs."

    Jocelyn Hsu, Co-Owner Food for the Moon Productions, LLC
  • "Mary made the process of filing taxes as an independent contractor straightforward, instead of the headache I was afraid of. She clearly organized my deductions, made me feel at ease about the process, and I ended up owing a lot less than I thought I would. She's great!"

    Johannes Raasina Bass player, Shaimus