As of 2014, the estimated value of a Gulbransen piano ranges from $4,100 to $13,500. The value of a Gulbransen piano varies depending on the type, height and material of the piano as well as the dealer setting the price.
A Gulbransen vertical piano that is 45 inches high and made of satin oak or satin cherry is worth about $4,100. A mahogany, 47-inch Gulbransen vertical piano is about $4,500. In the grand piano category, a polished ebony 4-foot-7-inch Gulbransen is worth $8,300, while a Gulbransen of the same material that is 5 foot is $8,900. A 4-foot-7-inch polished ebony Gulbransen piano with pianomation is $12,500, while the same type with a 5-foot height is $13,500.