Depends where in Deer Park you are looking at. My neighbour next to us has been broken in once and their neighbour's house three times in the past year. I would suggest you do some more research by looking at the news articles and see if anything pops up. God Bless.
Not sure what the new estates are like around Brimbank Gardens, but estates do get targeted cause of all the new houses with new furniture and goods. Lived in Old Deer Park around Korroit Creek for 6 years only this year did someone in our street get robbed. However their garage door was open and they took only the basics, laptop, ipad and jewellery.