About Us

About Michael and Mary Lou

For 31 years, Mary Lou Shannon through her real estate practice and volunteer efforts has worked tirelessly to promote, preserve and celebrate the unique qualities of Carderock Springs. From spearheading efforts for the National Register designation, organizing house tours and anniversary parties to serving as the Welcome Chair for many years, Mary Lou has been the consummate resident and professional.

With Mary Lou transitioning to her new community in Pennsylvania, she has chosen fellow Long and Foster Realtor Michael Shapiro to continue her legacy and work promoting the unique architecture and quality of life in Carderock Springs, those qualities that matter to/in a community. Michael has a background marketing mid-century modern real estate and is the founder of the popular Modern Capital web site, which has promoted modernism of the Washington, DC area for past decade. Michael’s real estate experience has included renovating many mid-century modern properties and is looking forward to bringing that expertise to Carderock. If you are thinking of selling in the coming year or just want to get a sense of what your house is worth, please contact Mary Lou and Michael. We look forward to continuing to help you in 2016 and the years to come. 

Here are some of our recent sales. 


Michael Shapiro
Michael Shapiro
4650 East-West Hwy Bethesda MD 20814

Direct: 301-365-0472
Broker: 301-907-7600
Mobile: 301-509-5800