O'Brien Realty is committed to treat all customers as family & to do their very best to make your real estate transaction as smooth as possible. They promise to deliver all services, including those affiliated title, mortgage & relocation companies with an unequaled level of enthusiasm. Mike O'Brien founded O'Brien Realty in 1980 and began building the largest, most successful independent company in the area. He is a Graduate of the Realtors Institute (GRI) and is a Certified Residential Broker (CRB). In just five years, the company was awarded the prestigious honor of being one of the Top "100 FIrms" nationally. O'Brien Realty continues it's tradition as the leading brokerage firm in Southern Maryland. Over the last twenty years the company has enjoyed a broker relationship with more award winning associates than any other real estate company in the tri-county area.