Extra Space Storage Inc. is a self-administered and self-managed real estate investment trust (REIT). The Company operates through three segments: rental operations; tenant reinsurance, and property management, acquisition and development. The Company owns, operates, manages, acquires, develops and redevelops self-storage properties (stores). The Company has interests in approximately 1000 operating stores. Of these stores, the Company owns approximately 270 stores in joint venture partnerships. An additional approximately 350 operating stores are owned by third parties and operated by the Company. The Company’s operating stores are located in over 30 states of the United States, Washington D.C. and Puerto Rico, and contains approximately 100 million square feet of net rentable space in approximately 896,000 units. The Company’s businesses are conducted through Extra Space Storage LP. The Company’s rental operations activities include rental operations of stores.