Mary Maier Galloway ASID, NKBA of Onesta Design LLC, is an award-winning Interior Designer specializing in residential kitchen, bath and entertainment room remodeling in the Greater Washington D.C. Metro area.


Mary works closely with her clients to deliver all of the elements needed to make their remodeling project an exciting and positive experience. Her design services include consultation, budget setting, design, space planning, CAD drawings and project coordination. She brings broad experience with cabinets, plumbing fixtures, surface materials and appliances which help to develop a design solution tailored to your needs.


You are invited to view our portfolio of kitchen, bath and entertainment projects and to learn about the beautiful design Mary can bring to your residential project. She will work through your decisions and create a design that reflects your lifestyle while keeping to your budget.


To discuss your project, call Onesta Design today at 703.799.7420 or send us an e-mail at