Our Company

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Founded in Tradition

 Founded 12 years ago (2007) and named in honor of our late fathers, William Marcus Runnebaum, Sr. & David Boyd Mangham, Jr.  Marcus-Boyd Realty is a full-service, independent real estate brokerage that is committed to offering our clients only the highest quality products, while our dedicated team of professionals remains consistent in providing a superior level of service and market expertise. Offices in Maryland & Delaware.

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Our Founders

William M. Runnebaum & William H. Mangham

"Will & Bill"

Our Partners

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