The Fallbrook Historical Society (FHS) received its Charter, approval of exemption as a Non-Profit Corporation and Articles of Incorporation on August 9, 1976. The first general meeting of the FHS was called to order by George Kelsey in the Fallbrook High School Cafeteria on April 4, 1977. The current location of the museum and Pittenger House, were purchased in 1981. Construction of the “Barn” began on June 3, 2006, culminating with the “Barn” being formally dedicated and named the Donald J. Rivers Interpretive Center on October 9, 2011.
On June 3rd, 2017, the Historical Society’s main Rocky Crest campus, comprising the Main Museum, The Pittenger House and “The Barn”, was officially renamed “The Fallbrook Heritage Center” with the approval of the Society’s General Membership.