A hydroponic set up and cannabis were found during a search of a Riverwood house on Sunday.
About 1.50pm St George police were contacted after it was discovered a home on Bonds Road had been converted into a hydroponic set-up.
On arrival, police found the set up as well as 40kg of dried cannabis plants. No one was at the home.
A crime scene has been established and inquiries into the incident continue.
Anyone with information is urged to contact St George police or Crime Stoppers on 1800 333 000.