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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.

    “The personal attention and service is a big plus.”

    Prompt, curteous, sincere concern that you understand what and why the documents purposes are. Timely completion of requested documents with considerate follow up on action items yours or others. Second time utilizing Tamsen and her team Karlee & staff. The personal attention and service is a big plus. You won't regret this groiup representing you.

    - Tony S.
    “We highly recommend him and Mortensen & Reinheimer, PC.”

    We are so grateful for the help and care that Weily Yang, Esq. provided us as we completed our estate planning. Mr. Yang is incredibly knowledgeable of our state's laws and was patient with us while answering our many questions. We highly recommend him and Mortensen & Reinheimer, PC.

    - Jenny L.
    “Noah was great!”
    Noah was great! We enjoyed working with him.
    - Dellia & Michael
    “I would recommend her highly!!”
    Tamsen did an estate plan for my wife and myself. She did a superb job and was excellent to work with. I would recommend her highly!!
    - James C.
    “Mr. Weily Yang is a true professional with a good grasp of the law.”
    “Mr. Weily Yang is a true professional with a good grasp of the law.”
    - Ray Y.
    “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.
    “A very professional service in an easy to understand approach”
    A very professional service in an easy to understand approach/language, make this a very comfortable experience, thank you!
    - Teresa Y.
    “Simply the best in what they do”

    I'm very impressed by the attorneys, paralegals, and the entire legal team. They are all very knowledgeable in ALL areas of probate law. Emily Pepper, Esquire and her legal team strive at getting you the best results. Simply the best in what they do; not just wills and trust, but heavily litigated cases as well.

    - Fatima W.

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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