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Jondal Design LLC develops high-end turnkey homes, and also provides full architectural design and consulting services. We are available to assist you with the search of a property, be it an empty lot, or an existing home that needs to be updated. Once the project is ready for construction, we can recommend our trusted network of builders and consultants, but will also gladly work with any contacts our Clients might already have.

Jondal Design's Principal, Joern Truemper, grew up in Berlin, Germany, and earned a Masters Degree in Architecture from Technische Universität Braunschweig. In 1996 he moved to New York City, where he received a Master of Science in Advanced Architectural Design from Columbia University. After the completion of his studies, he joined the office of Skolnick Architecture + Design Partnership, where he worked as the design lead on a variety of award winning institutional and high-end residential projects.

With the start of Jondal Design in 2016, Joern has fulfilled his long held dream of applying his passion for relaxed and comfort-oriented design, and his extensive experience with high-end residential projects in Long Island, to the development of custom homes.

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