Creating The Essence of Home
Welcome to Theo & Co., a boutique interior decorating studio serving clients in Washington DC, Maryland, and Virginia. Known for our relaxed, yet refined aesthetic, we decorate spaces that are as warm and inviting as they are sophisticated. We infuse each home with depth and character, incorporating details that reflect your personality and tell your story. It’s the details – collected mementos, meaningful artwork, and family heirlooms – combined with a thoughtful, functional design that creates the essence of home.
Washington DC Interior Decorator
New Hampshire
Hackamore
OUR WORK
RECENT PROJECTS
Our Washington DC interior decorating firm focuses on personalized designs that are authentically you.
We strive to capture the essence of home through storied interiors inspired by the lives of our clients and the rich history of the homes and landscape that surround us. Using earthy tones and textures, a mix of vintage pieces, clean lines, and modern silhouettes, we curate a balanced, layered look that is warm and welcoming. Working closely with you, we achieve a custom design for your home that is a reflection of who you are and how you live.
Our goal as a Washington DC
interior decorator
Theo & Co. Design offers interior decorating services for homes across the Washington DC area. Whether you're refreshing a single room or multiple spaces, we bring clarity, creativity, and a streamlined approach to every project. Explore our services to see how we can transform your vision into a beautifully designed, move-in-ready space.
Our
Services
cristine k.
"My husband and I have used Theo & Co. Design for several rooms in our house over the last few years. In all instances, Diane was able to quickly understand the aesthetic we were hoping to achieve and presented us with several choices for how to redesign our rooms. We appreciated how stress-free she made the whole process, from presenting us with visuals, providing us with plenty of price points and purchasing options, and completing the look with finishing touches — we couldn’t have been happier with our final rooms. We are already looking forward to working with Theo & Co. again in the future!"
Kind Words from Past Clients
Washington DC Interior decorator
History, Elegance, and a Sense of Place
Washington, DC is a city defined by history, culture, and endless beauty, where iconic monuments, gracious neighborhoods, and natural landscapes come together in a way that feels both timeless and alive. The Potomac River winds gracefully along the city’s edge, while expansive green spaces like Rock Creek Park provide a peaceful counterpoint to the energy of city life. Walkable neighborhoods such as Georgetown and Capitol Hill are filled with historic townhomes, brick sidewalks, local shops, and inviting cafés, creating a lifestyle that feels cultured yet comfortably lived-in.
Design inspiration in Washington is everywhere, from a morning walk past historic row houses to afternoons spent along the Potomac waterfront or exploring museums and charming neighborhood boutiques and restaurants. All of this provides endless inspiration for design materials, finishes, and thoughtful layering. From historical architectural details, from historical architectural details, like those found at Union Station and the Washington National Cathedral, to the patina of an old brick façade, or the effortless elegance of a well-loved neighborhood restaurant (one of my favorites is The Fountain Inn in Georgetown), Washington, DC provides a sophisticated yet soulful backdrop for interiors that feel collected, timeless, and meaningful.
