Police have seized 68 cannabis plants from a Baldivis home.
Police and Tactical Response Group officers stormed the house on Westonia Link on Sunday afternoon.
Two of the back bedrooms had been converted into cannabis grow rooms.
A 27-year-old Waroona man, a 28-year-old Baldivis woman and a 55-year-old Baldivis man have each been charged.
They are all due to appear in the Rockingham Magistrates Court on September 9.