AvalonBay

AvalonBay Communities, Inc. operates as a publicly traded real estate investment trust focused on developing and managing multifamily apartment communities across the United States. Since its establishment in 1978, the organization has expanded from a regional operator to become one of the largest owners of rental housing units in the country. The company maintains its headquarters in Arlington County, Virginia, while overseeing a portfolio that spans over 300 properties in major metropolitan areas.

The brand distinguishes itself through a focus on high-growth coastal markets including California, New York, Washington D.C., and the Pacific Northwest. Its properties feature amenities designed for modern living such as coworking spaces, fitness centers, and pet-friendly facilities. AvalonBay serves a diverse range of residents with offerings that include long-term leases, furnished apartments available for short stays, and townhomes.

In August 2026, the company completed a historic $69 billion merger with Equity Residential to form Vivmark Residential. This consolidation created the nation's largest multifamily owner with a combined valuation near $70 billion. The deal required the divestiture of specific assets to address antitrust concerns raised by regulators in Massachusetts. [edit]