Fresno police say it happened at a home near Samson and Clara just after 7 pm.
When police arrived at the home, they found a man with two to three gunshot wounds on the lower body.
Authorities believe there was some sort of altercation before the shooting happened.
They also believe a party was happening in the front yard of the home at the time of the shooting.
The man was taken to Community Regional Medical Center and is in critical condition.