How to find owners of apartment buildings in LA County?

[Michelle Nicholls]

I'm interested in moving up from single-family homes to apartment buildings. I live in the LA area and want to stick close to home for my first few.

I want to do some direct marketing to current owners, but don't know where to get a list. Seems I can't pull up a list online, so do I need to physically go to the Assessor's office and buy a list or....? I'm also curious to learn of owners who have fallen behind on taxes or mortgage payments, so I need help finding these list sources as well.

Thanks in advance for the help!