A Queens little league coach has been arrested for sexually assaulting three teenage boys on his team, authorities said today.

David Hartshorn, 52, will be charged with multiple counts of criminal sexual acts and endangering the welfare of a child.

The three victims -- ages 13, 14 and 16 -- were allegedly sexually assaulted from July 2009 until just a few weeks ago, sources told The Post.

The incidents are believed to have taken place at Hartshorn's home, the sources said.

He allegedly videotaped the attacks -- something cops uncovered Tuesday after they executed a search warrant.

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