Extra Space Storage Inc., headquartered in Salt Lake City, is a fully integrated, self-administered and self-managed real estate investment trust, and a member of the S&P 500. As of December 31, 2020, Extra Space owned and/or operated 1,921 self-storage properties, which comprise approximately 1.4 million units and approximately 149.2 million square feet of rentable storage space offering customers conveniently located and secure storage units across the country, including boat storage, RV storage and business storage. Extra Space is the second largest owner and/or operator of self-storage properties in the United States and is the largest self-storage management company in the United States.