AvalonBay Communities is a real estate investment trust (REIT) that focuses on developing, redeveloping, and managing residential properties. Founded in 1978, the company primarily operates in high-demand markets across the United States, offering a range of apartment communities that cater to various lifestyles and income levels. The company is known for its commitment to sustainability and community engagement. AvalonBay emphasizes environmentally friendly practices in its developments and aims to create vibrant living spaces that enhance the quality of life for its residents. With a portfolio that includes thousands of apartment units, AvalonBay is a significant player in the multifamily housing sector.