Kilroy Realty Corporation is a self-administered real estate investment trust (REIT) active in office, life science and mixed-use property types in the United States. The Company owns, develops, acquires, and manages real estate assets, consisting primarily of premier properties in Los Angeles, San Diego, the San Francisco Bay Area, Seattle, and Austin. It owns its interests in all of its real estate assets through Kilroy Realty, L.P. (the Operating Partnership) and conducts substantially all of its operations through the Operating Partnership. Its stabilized portfolio of operating properties consists of approximately 123 stabilized office properties.