Boston Properties, Inc. is an integrated, self-administered and self-managed real estate investment trust (REIT) and owner and developer of office properties in the United States. The Company�s properties are concentrated in five markets: Boston, New York, Princeton, San Francisco and Washington, DC. The Company conducts all of its business through its subsidiary, Boston Properties Limited Partnership (BPLP). The Company owns or controls undeveloped land parcels of approximately 503.6 acres. The Company owns around 175 properties, including nine properties under construction, which constituted approximately 2.9 million rentable square feet. Its properties consist of approximately 167 office properties, including approximately 128 Class A office and approximately 39 office/technical properties; one hotel; four retail properties, and three residential properties.