Yes. The defendant may always elect a judge rather than a jury trial. It helps in cases where legal issues may be clouded by emotional considerations which are counter to the defendant's case.
Ing to the Supreme Court, the jury-trial right applies only when "serious" offenses are at hand—petty offenses don't invoke it. For purposes of this right, a serious offense is one that carries a potential sentence of more than six months' imprisonment.
A jury trial may be waived by the defendant in all criminal cases. . . by a written instrument signed by the defendant in person in open court before and with the approval of a judge or justice of a court having jurisdiction to try the offense.”
Felonies, being the more serious category of crime, almost always qualify for a jury trial due to the potential for severe penalties, including lengthy prison sentences. Misdemeanors, while still serious, often carry less severe punishments and, as a result, may not always necessitate a jury trial.
This right is also preserved in Article I, Section 16 of the State Constitution of California. However, there may be times when it's in your best interest to waive your right to a jury trial, whether in favor of a bench trial, where a judge decides your verdict or as part of a plea deal.
The short answer is: the defendant has the right to waive a jury and opt for a bench trial.
JURIES CAN BE SYMPATHETIC Unlike an impartial judge, the panel of individuals on your jury could be swayed by emotion and personal experience. This may work in your favor. If you have been overcharged for the crime in question or are a sympathetic defendant, some jurors may be more likely to back you.
Any party may demand a trial by jury of any issue triable of right by a jury by (1) serving upon the other parties a demand therefor in writing at any time after the commencement of the action and not later than 10 days after the service of the last pleading directed to such issue, and (2) filing the demand as required ...