Green Valley is an upscale neighborhood of Henderson, Nevada. Green Valley is Southern Nevada’s first master-planned community built before Summerlin. The Green Valley Master Community development was founded in 1978 by American Nevada Corporation in an area of 8,400 acres (34 km2) on the southeast part of the Las Vegas Valley. Smaller enclaves called Green Valley Ranch and Green Valley South in later years within the boundaries of the master community. Green Valley South began construction around 1985, while Green Valley Ranch began construction in 1994. It is an upscale community with many amenities. Shopping, bars, and restaurants reside at The District at Green Valley Ranch. Green Valley (North, South, and Ranch) postal codes include: all of 89074, 89014, and 89012. Green Valley Ranch extends into the eastern areas of the zip code of 89052.

Green Valley was developed by American Nevada Corporation, which had begun planning the community as of 1973. Green Valley’s grand opening was held on October 24, 1978. Attendees included Nevada governor Mike O’Callaghan.

Master planned areas of Green Valley include: Green Valley Country Club Estates, The Village of Fox Ridge, Whitney Ranch, Hillsboro Heights, MacDonald Ranch, MacDonald Highlands, Ascaya, Roma Hills, Resort Villas, The Fountains, Quail Ridge Estates (all high end custom homes on 1 acre + lots), The Village of Silver Springs, The Legacy Village, The Grand Legacy, Green Valley Ranch, Southfork, Sunridge Heights, Ventana Canyon, The Bluffs, Millwood Village, Westwood Village and Sentosa.