HCP, Inc. is a real estate investment trust which invests primarily in real estate serving the healthcare industry in the United States. It acquires, develops, leases, sells and manages healthcare real estate and provides mortgage and other financing to healthcare providers. It operates through four segments: Senior Housing Triple-Net, Senior Housing Operating Portfolio, Life Science, and Medical Office. The Senior Housing Triple-Net & Operating Portfolio segments manage senior housing facilities, which include independent living, assisted living and memory care facilities, care homes and continuing care retirement communities by utilizing triple-net leases and RIDEA structures. The Life Science segment contains laboratory and office space primarily for biotechnology, medical device and pharmaceutical companies, scientific research institutions, government agencies and other organizations involved in the life science industry. The Medical Office segment includes pharmacies, hospital ancillary service space and outpatient services such as diagnostic centers, rehabilitation clinics and day-surgery operating rooms. The company was founded in March 1985 and is headquartered in Long Beach, CA.