The Hayward area is a region in California made up of a city, Hayward, and two unincorporated towns, San Lorenzo and Castro Valley. The three communities share a common history, but each has unique individual stories--such as failed gold miner and entrepreneur William Hayward, who established a stagecoach stop and boardinghouse in 1851 that quickly attracted a diverse group of settlers and led to the establishment of the city of Hayward. Other legendary locals include Castro Valley historian Lucille Lorge, whose grandfather owned the first business in Castro Valley; English sailor Harry Rowell, who jumped ship in San Francisco Bay and was later known as the "King of the Rodeo" for his rodeo stock; and San Lorenzo Village developer David Bohannon, who changed the San Lorenzo farming area into a sprawling suburban center and the first planned community during World War II.

An officer in the Mexican army bequeathed his name to the crescent-shaped basin once known as Castro's Valley. Driven to ruin by squatters, drought, and gambling debts, he sold a portion of his cattle ranch to Methodist minister Zachariah Hughes, who built a church and school in what is now Crow Canyon. The one-room, redwood school Hughes christened Eden Vale educated about 50 children until a group from the burgeoning town to the south, “Hayward's,” stole it by wagon in the dead of night. Undaunted, Castro Valley, delineated from its now friendly neighbors by hills, Lake Chabot, and an independent spirit, built and fully supported its own Redwood School. It has now developed into one of the most populous unincorporated areas in the United States.

Since its beginning as a Southern Pacific Railroad town 100 years ago, Fillmore has been the setting of many legends and true tales, like the St. Francis Dam disaster, the 1994 earthquake, and the Hollywood film shoots. Joaquin Murietta hid in the hills, and the story of the T. Wallace More murder in Rancho Sespe in 1877 was the murder of the century. Rancho Camulos, owned by the del Valle family until 1924, signifies the last of the Californios. Today, it is owned by the descendants of August Rubel. Tales of the sycamore tree abound, and it is an icon on Highway 126, as is the tower of the Sanitary Dairy, which was ordered from the Sears, Roebuck & Company in Chicago. Oil was discovered early in Shiells Canyon and brought Texaco to town. The fruit industry prospered, and Sunkist was welcomed. Hugh Warring installed indoor plumbing in the Piru Mansion. The likes of Booty Sanchez, Marcelino Woody Ybarra, Gene Wren, Kevin Gross, Jim Fauver, and Dorothy Shiells still influence the community. --Amazon.