MARTINEZ (CBS/AP) — An East Bay high school baseball coach has pleaded not guilty to charges he molested three children.

Joel Kaufman entered his plea in a Contra Costa County courtroom on Tuesday.

READ MORE: Contra Costa County Deputies To Face No Charges For 2018 In-Custody Death

The 52-year-old Kaufman has been charged with multiple felonies and misdemeanors, including lewd and lascivious acts on a child younger than 14. He is accused of molesting one teen boy and secretly filming another in a bathroom.

Prosecutors say Kaufman abused a third boy in the late 1980s.

READ MORE: San Jose Police Arrest Third Suspect In December Shootout

Kaufman is currently under electronic home arrest after posting $325,000 bail last month.

Kaufman was recently coach of a San Jose-based travelling high school-aged baseball club and previously coached at Oakland’s Bishop O’Dowd High School, where he led the team to five league titles.

MORE NEWS: Piedmont Wealth Manager Charged In Fatal Oakland Hit-and-Run Crash

(Copyright 2013 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)