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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 trust Mortensen & Reinheimer with all of my family trust matters.”

    Our small yet growing family entrusted this firm to handle our living trust. WeilyYang, 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.
    “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.
    “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.
    “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.
    “Mr. Herbold was extremely honest with information and probable outcome.”
    “Mr. Herbold was extremely honest with information and probable outcome.”
    - L.C.
    “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.
    “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.
    “The entire office staff have been a blessing to our family”
    We've been client of Tamsen Reinheimer for little over twelve years. Tamsen and the entire office staff have been a blessing to our family. The entire team not only are professional, but our family feels like being part of the team. I really cannot find the correct words to thank them all for their help in past and years to come. Many thanks!
    - Bob A.

What sets us apart?

  • Personalized Care to Every Case
    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.
  • Over 75+ Years of Combined Experience

    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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