Tregear is generally considered an unsafe suburb compared to other suburbs in Sydney. Crime rates are above the Greater Sydney average, with Assault being the most commonly reported violent crime, and Theft the most commonly reported property crime. From 2023 to 2024, Violent crime rates have increased by 18.23%, and Property crime rates have increased by 10.67%.

As with any area, it is recommended to stay aware of your surroundings and take the usual safety precautions.