I'm in LA and I relate to what you're saying. I'm seriously considering getting a spot at one of the Barrister Suites locations in LA in the future because I want to start producing content and don't want to put my home address down for 2257.
You might want to check into Barrister Suites before getting an office with other webmasters. The url is
http://www.barrister-suites.com