Lock your windows and doors at all times; even when you leave briefly, are outside on your property, or inside your home. Also, keep your valuables in a safe or lockbox when you go out. 
Change passcodes on electronic locks and garage doors from time to time.
Keep your windows covered and your garage locked so valuable items are out of sight.
Install motion sensor lights, deadbolt locks and upgrade patio/sliding glass door locks.
Trim shrubs and bushes to eliminate hiding spots, and never hide keys outside.
Don’t announce your vacation or trips on social media. 
Always change the locks when you move into a new home, condo or apartment, or if your keys are lost or stolen.
Opportunistic criminals commonly target unlocked cars. Don’t leave anything valuable in your car and always lock the doors. 
If you live in an apartment or condo building, close the door behind you when entering or exiting the building. Report any security concerns, such as dim lighting around entrances or points of easy access, to your property manager.