 The union was founded by members of the independent San Bernardino Public Employees Association (SBPEA) after a vote to affiliate with the International Brotherhood of Teamsters in April 2015.The San Bernardino Public Employees Association was founded in 1932, and prior to its demise represented employees at the County of San Bernardino, as well as employees from 18 cities in San Bernardino, Riverside and Los Angeles counties, and other public agencies in the region.Amid losses of hundreds of in members to Service Employees International Union Local 721 and a lawsuit by the union against its former general manager for missing funds and unauthorized expenditures, members of SBPEA voted to affiliate with the International Brotherhood of Teamsters in April 2015.