The shooting happened around 2 am Monday at a home near Monson and Sumner avenues.
The Fresno County Sheriff's Office says three adults were found with gunshot wounds.
They are all expected to survive their injuries.
Officials say the victims and those at the home were not cooperating with the investigation.
Authorities have not yet provided any details about what happened leading up to the shooting.
Stay with Action News for the latest updates on this developing story.