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Mortensen & Reinheimer, PC Mortensen & Reinheimer, PC
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About Us

Serving All of Orange County!

MORTENSEN & REINHEIMER, PC is an established law corporation in Orange County. We know that some of the most important objectives in a lifetime are protecting what you have earned, and planning to provide for your loved ones. Our primary goal is to ensure that whatever step you are working towards or whichever phase of life you are in, we can help accurately reflect your desires in the legal perspective of it. Whether it is creating your estate plan or handling the affairs of a loved one you lost, our attorneys will work with you on a continual basis in order to effectively meet your needs.


Mortensen & Reinheimer, PC offers unparalleled service and is dedicated to providing each of our clients with the personal attention they need to successfully handle their legal matters. We are always available to answer your questions. Our attorneys will readily meet with you to discuss the various legal situations you encounter, such as changes to your estate plan. At Mortensen & Reinheimer, PC, we build long-term relationships with each of our clients, striving to maintain their personal investments in the security and well-being of their families.

    “I'm extremely happy with the advice and resultant estate plans provided.”
    Tamsen has the perfect blend of wonderful people skills, the ability to distill complex concepts into understandable language, and tremendous depth of knowledge. I have referred a number of my clients to her, and all have been extremely happy with the advice and resultant estate plans provided…
    - Annette F.
    “Do yourself a favor and start here for your trust/Estate needs.”
    “Do yourself a favor and start here for your trust/Estate needs.”
    - Mike M.
    “We would highly recommend Tamsen and her firm for even the most complicated situations.”

    Excellent estate attorneys and wonderful, professional, helpful staff. Tamsen has helped us not only with our trust and estate planning, but also with those of our parents and friends as well. We would highly recommend Tamsen and her firm for even the most complicated situations.

    - Elizabeth J.
    “Noah was great!”
    Noah was great! We enjoyed working with him.
    - Dellia & Michael
    “Tamsen is an extremely thorough, proficient and creative attorney.”
    Tamsen is an extremely thorough, proficient and creative attorney. She is wise beyond her years and is one of the most thoughtful lawyers I have ever met! She always does the right thing for her clients. Her personal integrity and ethics are of the highest caliber. Tamsen helped me out with some estate issues and it is a great relief to know she is in my corner when I need her. I highly recommend Tamsen Reinheimer.
    - Tina M.
    “Mr. Herbold was extremely honest with information and probable outcome.”
    “Mr. Herbold was extremely honest with information and probable outcome.”
    - L.C.
    “We offer the highest recommendation for any trust needs you may have.”

    Weily Yang and the entire staff there are nothing short of outstanding. Weily helped me and my siblings with the Trust transition for our elderly mother and also helped my wife and I with a long over-due revision of our personal trust. He was very patient and informative with the multitude of questions we all had and we could not have asked for anyone better. We offer the highest recommendation for any trust needs you may have.

    - Scott Y.
    “I trust Mortensen & Reinheimer with all of my family trust matters”
    Our small yet growing family entrusted this firm to handle our living trust. Weily Yang, the attorney assigned to us, was extremely patient and knowledgeable. He was flexible around our schedule and made sure that we understood each process every step of the way. He was were available for a phone call or for clarification. I trust Mortensen & Reinheimer with all of my family trust matters. Thank you so much for creating such an important document and being client-first.
    - Andrew O.

What sets us apart?

  • We handle each case on a one-on-one basis and explore all possible options with you.
  • We strive for excellence. Our knowledgeable and courteous staff work hard so that you don't have to.

  • With 75+ years of combined experience, we've handled cases of all types and can confidently help you.

Let us Help with your case

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