Extra Space Storage, Inc. is a real estate investment trust. It operates through the following segments: Self-Storage Operations and Tenant Reinsurance. The Self-Storage Operations segment includes rental operations of wholly-owned stores. The Tenant Reinsurance segment includes reinsurance of risks relating to the loss of goods stored by tenants in stores. The company was founded by Kenneth Musser Woolley on April 30, 2004 and is headquartered in Salt Lake City, UT.