Authorities said a special enforcement team conducted the raid which swept a home in the 40300 block of Atmore Court.
In addition to the drugs and weapons, officers also found several laptop computers and other electronic devices that appeared to be stolen.
Two of the three confiscated guns were reported stolen. Authorities also seized a high-powered rifle.
Anyone with information regarding the investigation is urged to call police at (951) 696-3000.
City News Service contributed to this report.