Upper Image. Overall airview Ridgewood Ranch: It is located in California between Willits and Ukiah in Mendocino County. Somewhere in its vast expanse is the grave of Seabiscuit who was secretly buried by his owner.Lower Image. Some of the restored buildings where Seabiscuit lived in retirement. From an original 16,000 acres, only 5,000 remain, the rest sold off to developers. The ranch is owned by the 35 members of Christ Church of the Golden Rule, a spiritual community of aging Christians who have owned Ridgewood since the 60's.