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Founded in 2003, Castle Design is now the largest residential design firm in St. Louis and sets the standard for both high-end residential and commercial interior design. Castle’s designs can be found all over the country—from chic urban condos to sprawling rustic residences.

What sets Castle Design apart is our ability to translate your vision and aesthetic into warm and welcoming works of art. Castle Design’s team of experts works closely with clients to create unforgettable interior environments featuring carefully selected, high quality materials. From space planning to purchasing and seamless project management, the professionals at Castle Design provide concierge client service throughout each state of the project.

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Your environment should mirror your personal taste, high level of success, and distinct preferences. We help homeowners, renovators, and businesses achieve this by investing our time and skill into the details that bring a home or space to life. Our intuitive nature, diverse talent, and adaptability empower customized support that exceeds expectations. We hold ourselves to the highest standards so we provide each of our clients a luxury design experience.


After working with some of St. Louis’ best architects and designers, Emily Castle established Castle Design in 2003. Her goal was to offer the highest level of expertise and service while ensuring St. Louis remained a hub for world-class design. With more than 50 years of combined experience, Emily and her team of innovative artists have designed millions of square feet of interior space.


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