Hi Lisa, to add to the other replies below, Trulia just added a crime watch too. Are you moving from Seattle this year? Exciting! Oakland has a lot to offer from sunny weather, to great restaurants, and amazing hiking and biking trials and so much more!
If you want to find out more about specific neighborhoods, you can take a look at some of my other blogs on my website or give m e a call. I'm happy to share what I know about Oakland or other surrounding cities. I grew up in the east bay and never left, except for vacation of course:)