UDR Inc is a real estate investment trust that owns, operates, acquires, renovates, develops, redevelops, disposes of, and manages multifamily apartment communities in targeted markets located in the United States. The company has two reportable segments; Same-Store Communities segment represents those communities acquired, developed, and stabilized prior to January 1, 2021, and held as of December 31, 2022, and Non-Mature Communities/Other segment represents those communities that do not meet the criteria to be included in Same-Store Communities, including, but not limited to, recently acquired, developed and redeveloped communities, and the non-apartment components of mixed-use properties. It generates key revenue from Same-Store Communities.