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Founded in 2003, Castle Design is the largest residential design firm in St. Louis and sets the standard for high-end interior design. From space planning to seamless project management, we help our clients transform their homes into warm and welcoming works of art. Impeccable taste and a commitment to providing clients with an unmatched level of service are the foundations of our firm’s success.

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At Castle Design, we believe that comfort is the ultimate luxury. With each project, our mission is to create a space that is as comfortable and inviting as it is beautiful. From chic urban condos to sprawling rustic residences, our team of experts design thoughtfully planned spaces that mirror our clients’ personal taste, high level of success, and distinct preferences. We pride ourselves on our attention to detail and focus on quality.


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