A son stabbed his father during a fight at a Sheepshead Bay housing project, police authorities said.

Police showed up to the building on Nostrand Avenue near Avenue V after the boy’s mother placed a frantic call to 911 stating that her son had stabbed his father several times with a large kitchen knife around 12:40 a.m. Monday.

The dad, 47, suffered stab wounds to the back and arm and was rushed to Lutheran Hospital in stable condition.

The younger man, identified as Lamar Green, 19, was taken into custody at the scene. He was charged with assault and possession of a weapon, cops said