Whalen Properties began in 1980 as a privately held family enterprise. The Whalen family is actively engaged in all aspects of the company. Located in Catonsville, Maryland, Whalen Properties has focused development in southwest Baltimore County and Howard County. Primarily involved in suburban office development targeting medical practices, the office locations, in fact, have a broad range of professions and businesses. Whalen Properties has developed higher end residential development and neighborhood commercial developments.