Our History

Make your handshake
your bond.

The story of Rancho Mission Viejo began in a deal struck with a handshake between fellow Irish immigrants, James Flood and Richard O’Neill, Sr. Since that time, The Ranch's story has continued to evolve with significant development milestones while always remaining true to its ranching roots and values.

To contact Rancho Mission Viejo's corporate offices, please call (949) 240-3363

History Highlights

Richard O'Neill, Sr. and James Flood purchase Rancho Santa Margarita y Las Flores, Rancho Trabuco, and Rancho Misión Vieja totaling 210,000+ acres.
US Navy purchases Flood portion (southern half) and half of O'Neill's interest (San Onofre) to establish Marine Corps Base Joseph H. Pendleton.
Remaining 52,000 acres, all in Orange County, now known as Rancho Mission Viejo.
O'Neill Park Dedication to the County of Orange by the O'Neill Family.
O'Neill family and partners establish Mission Viejo Company to develop the Mission Viejo community.
Rancho Santa Margarita opens.
First Land Conservancy established on 1,200 acres of ranch lands.
Las Flores opens.
Preservation of 1,100-acre Upper Chiquita Canyon Conservation Area.
Ladera Ranch opens.
O'Neill/Moiso/Avery family creates 105-acre Gobernadora Ecological Restoration Area.
Rancho Mission Viejo Ranch Plan approved.
The Nature Reserve at Rancho Mission Viejo established.
10th Anniversary of the Rancho Mission Viejo Rodeo. $1 million raised for local charities to date.
The Village of Sendero at Rancho Mission Viejo welcomes its first residents
The Village of Esencia at Rancho Mission Viejo opens.
The Village of Rienda at Rancho Mission Viejo opens.
The Ranch Code

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Mary Kontra
(949) 768-1882