About Us : Capitol Closet Design is a Washington, D.C. based, family owned company that has been in business since 1997. We are a proud member of the National Closet Group, a closet industry organization dedicated to providing consumers with value, service, and integrity. Our commitment to our customers is evident by the fact that nearly 50% of our clients are repeat and referral customers. Our philosophy is simple: we treat every customer project as if we were designing and installing for our closest family and friends. We are firmly committed to providing the best quality, and most pleasant living space possible.