The Tartan Team

Mike Porterfield


Michael Porterfield assumed control of Tartan Properties Commercial, a family owned business in operation for over 35 years, in 2000. From its inception, this independent commercial real estate brokerage firm has specialized in sales and leasing of office, industrial, and flex properties in the Northern Virginia market. Their focus remains on representing small to mid-sized clients and offering customized, creative and personal attention to both landlords and tenants. Now in its second generation, TARTAN has expanded its practices to include servicing trade associations, non-profit organizations, public affairs and law firms, and local retailers.  However, TARTAN has not forgotten its roots in the Northern Virginia industrial and flex real estate market where they still represent warehouse owners and many service-related business. TARTAN is very proud to continue to represent two of its original clients, dating back to 1973.  Mike is an expert on Alexandria and Arlington, VA, commercial real estate.

Mr. Porterfield is active in his community. He currently serves on the board of directors of the Alexandria Small Business Development Center, is former board member of the Alexandria Chamber of Commerce, is the past chair of the board of trustees for the Scholarship Fund of Alexandria, and is a graduate of Leadership Alexandria. As a native resident of Alexandria, Mr. Porterfield has a clear understanding of the Northern Virginia and Washington, D.C., area and he has a wealth of contacts in the region to provide comprehensive service and networking for his clients.  In 2016, the Senior Services of Alexandria honored Mike along with his mother, Kitty Porterfield, and his daughters Keely and Kirby Porterfield at the Generation-to-Generation Gala for their longstanding commitment to service in the Alexandria community.

In 2000, he took a leave of absence from real estate to pursue his other passion–rowing–and coached two American women to a Bronze Medal in the Olympic Games in Sydney, Australia. As an athlete, Mr. Porterfield competed in five World Championships as a member of the US National Team and was inducted into Northeastern University’s Athletic Hall of Fame in 2003. He has also coached at Georgetown and Northeastern Universities as well as at T.C. Williams High School. Mike’s wife Emily is an elementary school teacher in the Alexandria City Public Schools and a former NCAA champion soccer player at the University of North Carolina. Mike is an avid cyclist and CrossFit athlete. He is a father of three: his oldest daughter currently serves as an officer in the US Army, the second daughter works in marketing in Chicago and is an aspiring comedic actress, and a son in early high school.

Stephen Beggs


Stephen Beggs joined TARTAN in 2014 after nine years at Transwestern, where he specialized in the leasing and sale of office and industrial properties in the Northern Virginia real estate market. As a principal at Tartan, he has brought industry knowledge and creative deal-making to leasing transactions, and buyers and sellers of real property.  Over the course of his career, Steve has overseen transactions with a total value exceeding $100 million, and has represented many notable institutions such as ING Clarion, Washington REIT, REEF (Deutsche Bank), Liberty Mutual, Akridge, Northwestern Mutual and Peter Lawrence of Virginia.

For his work in the industry, Steve’s work has been recognized by his peers.  He was named a CoStar Power Broker each year from 2007 to 2011 and was part of the team chosen as winner of the Washington Business Journal’s “Industrial Deal of the Year” in 2009. After graduating from James Madison University, Steve was an art teacher and athletics coach  for a small private school. Now when not closing real estate deals, he is on the trails running, playing soccer, or performing live music with local bands. He is a native Alexandrian and lives with his wife and two daughters in the Del Ray section of his hometown. He currently serves on the city’s Parks & Recreation Commission.

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