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Tamsen Reinheimer

Tamsen R. Reinheimer

Attorney at Law

Tamsen R. Reinheimer is a Certified Specialist in Estate Planning, Trust & Probate Law (The State Bar of California Board of Legal Specialization).

Practice Areas

Ms. Reinheimer has significant experience in all aspects of estate planning, trust administration, and probate. She helps clients plan their estates with revocable and irrevocable trusts, powers of attorney, property agreements, and numerous other planning strategies.

Ms. Reinheimer also assists clients in administering trusts and probate after the death of loved ones, coordinates with clients and tax professionals on federal estate tax returns, and guides clients through the incapacity of family or friends.

Associations & Memberships

Ms. Reinheimer is a frequent speaker at industry events on topics including long-term care, special needs trusts, and tax and financial planning. Additionally, Ms. Reinheimer is a member of the Women’s Business Development Initiative (WBDI), an Orange County-based networking group for business women in the legal, financial, and other professional service industries.


Ms. Reinheimer received her Juris Doctor degree from Whittier Law School in Costa Mesa, California and her Bachelor of Arts in Communication from the University of California, Santa Barbara. Ms. Reinheimer is admitted to practice law in the United States District Court for the Central District of California and in all California state courts. She is also a member of the Orange County Bar Association.

Call Tamsen Reinheimer today for an estate planning lawyer you can depend on!

Client Testimonials

See how we've helped our past clients.
  • “Ms. Reinheimer's excellence in these areas is clearly apparent.”

    Susan B.

  • “Noah is so knowledgeable, informative and very caring.”

    Roxanne B.

  • “I want to thank you both very much for all that you did.”

    Tony L.

  • “I'm extremely happy with the advice and resultant estate plans provided.”

    Annette F.

  • “I was happy with her research, in fact my meetings were a point of learning.”

    Dorothy C.

  • “Mr. Herbold was extremely honest with information and probable outcome.”


  • “A very professional service in an easy to understand approach”

    Teresa Y.

  • “I would recommend her highly!!”

    James C.

  • “Noah was great!”

    Dellia & Michael

  • “Tamsen is an extremely thorough, proficient and creative attorney.”

    Tina M.

  • “Tamsen is nothing short of amazing.”

    Regina S.

  • “Their costs are amazingly reasonable.”

    Anne M.

Why Work With Mortensen & Reinheimer, PC?

  • With 50 years of combined experience, we've handled cases of all types and can confidently help you.

  • We strive for excellence. Our knowledgeable and courteous staff work hard so that you don't have to.

  • We handle each case on a one-on-one basis and explore all possible options with you.

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