When closets are bursting at the seams and garages are overflowing, Extra Space Storage gives its customers room to breathe. One of the largest operators and managers of self-storage properties in the US, the self-administered, self-managed real estate investment trust (REIT) wholly-owns, owns in joint-venture partnerships, or operates for third parties about 1,030 facilities with some 680,000 units totaling nearly 76 million sq. ft. of rentable space. Active in metropolitan areas in nearly 35 states and Washington, DC, the company also offers business, boat, and RV storage, and leases to nearly 600,000 tenants nationwide.