Mark Cassidy

Design Consultant

Welcome to California Closets, and the start of simplifying your life. With a focus in Architecture and Landscape Architecture for the past 19 years, I truly understand the value of space through creative and distinctive designs. I like to take the time to really listen to my customer’s needs, what is important to them, and how they live. By designing multiple layouts, the use of different color palates and implementing a wide range of new products; our 3D CAD program allows me to help people organize their home to make it functional for them on a personal level. My promise is to lead you with passion, creativity, and expertise.

So, please share with me your thoughts, dreams, and wants for your next project. I look forward to meeting you and exceeding your expectations!

“Form follows function – that has been misunderstood. Form and function should be one, joined in a spiritual union.” – Frank Lloyd Wright.


  • Mark Cassidy was a dream to work with. Very professional yet personal. His knowledge of the product is excellent and his design superb. Also, the gentlemen that installed the units were timely, true gentlemen and very eager to provide the best service possible. Fantastic product and experience!

    Erika A., Philadelphia, PA
  • Excellent Mark Cassidy, our sales associate was helpful, friendly and very informative. He was very accommodating to multiple changes on the project. The installers were very pleasant and professional, and also accommodating to last minute changes. Expensive but worth the price. Overall one of the best contractor experiences we have had. Would highly recommend.

    Mark D., King of Prussia, PA
  • I was very happy with the process from beginning to end. Mark was professional and informative during the initial consultation, and I was impressed with the 3-D diagram he was able to put together to show me exactly what to expect. Then, the finished product was exactly what he showed me, and I’m very happy.

    Lydia J., Philadelphia, PA

Your new closet starts with a
— complimentary design consultation —