A strike date has not yet been set, according to Riddhi Mehta-Neugebauer, spokeswoman for the workers’ union, Unite Here Local 2.
The workers are among about 9,000 San Francisco hotel employees who have been without new contracts since August 2009.
Employees at several of the hotels have launched three-day strikes to protest the stalled negotiations, including one at the Hilton in April.
Mehta-Neugebauer said today the union has not yet determined whether the next Hilton strike will also last three days or if it will be longer.
The Hilton workers are opposing proposed increases in their workloads and health care costs, and the freezing of pensions, according to Mehta-Neugebauer.
The hotels have claimed that in addition to a tougher economic climate, they are also facing rising health care costs.
Housekeepers, doormen, bellhops and kitchen staff are among the workers who will participate in the strike.