Founded 11 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 services and property management company that is committed to offering our clients only the highest quality products, while our dedicated team of professionals remains committed to providing a superior level of service and market expertise with offices in Maryland and Delaware.

2015 / 2016 / 2017 /2018

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Whether you’re seeking an estate home, new waterfront construction or a cosmopolitan apartment or beach house in Maryland or Delaware, Marcus-Boyd Realty's  incredible network of  professional connections, highly personalized service and unrivaled expertise allows us to offer you everything from rentals to home purchase and everything in between.

Real Estate Services . PROPERTY MANAGEMENT

WilLIAM Runnebaum . Broker . mananging partner