About - Bio


Theo Adamstein

I have a passion for architecture, real estate, design and photography. As co-founder and principal of the award winning architectural and design firm, Adamstein & Demetriou Architects, I have more than 25 years experience in all aspects of residential renovation, remodeling, and new construction. Respected throughout the industry, I have the credibility to act as your advocate when meeting with your design and construction team and can assist you in every aspect of your project or real estate transaction. My extensive background in graphics and imaging adds to my discerning eye for great design. In short, I have an ability to anticipate your challenges and find smart solutions to launch your project on a great start or see it through to successful completion.

Whether you are updating a kitchen, reinventing an entire floor of your home, creating an outdoor living space, starting a massive renovation, or building a new home from the ground up, you will benefit from my combination of expertise and sound advice.

As a licensed real estate agent (licensed in DC, Maryland & Virginia) affiliated with TTR Sotheby’s International Realty – one of the most respected brokerage firms in the region, with global reach – I offer assistance to home buyers by searching for special properties and then identifying which offerings may perfectly suit the needs of my clients. Whether you’re looking to sell or buy a new home in the Washington area, I have the skills you need to make the process successful. You will benefit from my designer's eye and a builders sensibility and I will act as your passionate advocate and will assist in every aspect of the real estate transaction.  Visit my profile page on the TTR Sotheby's International Realty website: 




All images in this website are from the Adamstein and Demetriou portfolio and the award winning projects shown were completed from 1990 through 2010. The firm's work ranged from high-end residential to commercial and hospitality design. Over 100 built projects were completed during this period and the firm was recognized in numerous magazine and industry articles.

Portrait of Theo Adamstein by Mary Noble Ours

Website assistance by Erin Schaff, Sarah Valente/Beyond Words and Mike Huneke/Pattern Consulting

Architectural photography by Theo Adamstein


1980 -  Graduate, Cooper Union School of Architecture, New York, NY

 1982 - Founder, Chrome Inc., a professional photographic lab & studio,  specializing in professional imaging and photographic services. Partner - Dodge-Chrome Inc. 2009 - present.

 1987 – 2010 - Co-Founder - Adamstein & Demetriou - Architecture & Design (A&D). The firm was honored with over 40 prestigious design awards and has been featured in numerous respected industry and consumer publications. In addition to numerous hospitality projects, A&D completed residential, retail, exhibit/gallery, and office projects.

2008, Founder, FotoDC/FotoWeek DC, a non-profit District of Columbia arts organization. FotoWeek DC launched Washington’s first citywide photography festival, now an annual event.

Theo Adamstein has lived in Washington DC since 1982 and served on boards of many local organizations, including The Corcoran Gallery of Art, The Washington Ballet, Washington Project for The Arts and DCAC. As an accomplished and passionate photographer, his work has been exhibited in private galleries and museum shows, including several one man exhibitions.