History of the KeyBox
The first key lockbox was invented over 55 years ago by Delbert Williams, Supra’s founder. Delbert, a real estate professional, was tired of chasing down keys in order to show homes to clients. He crafted a keybox from a Yale® bicycle lock and a sand-cast aluminum container. Although very primitive, this lockbox served its purpose well – eliminating the need for agents to search for listing keys in order to get into houses for sale. By providing this instant one-key access, the first Supra keybox was born.