How to get LA County tax billing address info?

[Calvin Rankin]

This week I took a leap and jumped into starting my business as a wholesaling newbie. I had an exciting time driving for dollars and was able to locate almost 200 distressed properties with 3 of them being vacant. Everything I have read and listened to said the next step was to determine if there were absentee owners for the properties. Everyone said that this was simple to do by going to the tax assessor's website for the county you live in and finding the address to where the tax bill was sent. It was very easy to get to the assessor's site for Los Angeles County where I lived and very simple to look up the property information. However, the property information did not include the address for the tax bill. When I called the assessor's office the lady I spoke to said that the site didn't include this information because it was confidential, but she could give me the information for any particular address over the phone. I asked why could I get the information from her over the phone if it was confidential but I couldn't get it over the website. She said that was just the way the site was designed. 

I can't keep calling this lady for tax address information, especially if I've got close to 200 properties to look at. Is there an easier way to get this information? Any investors doing deals in Los Angeles County, do you have any tips?

Btw, I'm starting with driving for dollars because I don't have the funding to consistently do a mailing campaign so any help that can be provided would be greatly appreciated.