Announcing his candidacy in a news release Tuesday, Gin said he has helped deliver a balanced budget -- and sometimes even a budget surplus -- every year since 1995, when he was first elected to the Redondo Beach City Council.
"I remain a tight-fisted fiscal administrator who believes in controlling spending and reducing our deficit in conjunction with creating good jobs in a new economy," said Gin, who is serving his second four-year term as elected mayor.
Governor Jerry Brown has not yet set the date for a special election to replace Harman. Besides Secretary of State Debra Bowen and Los Angeles Councilwoman Janice Hahn, Mike Webb, the Republican city attorney for Redondo Beach, also has announced he's running.
Gin, who is a gay and supports abortion rights, is widely seen as more moderate than Webb, who has courted Tea Party support for his candidacy.