You are only talking in theory and not giving enough information.

Is there a way for us to exchange information?

What information I should be analyzing to help me make a decision on where I should start.  

In my experience those that go alone often times don't end up closing any deals because it's information overload and they're drinking out of a fire hydrant and don't have any guidance to tell them what to focus on.

@Tony Vicente the city website has good information about zoning.

Tenants want to feel heard and know their concerns matter.2.Clear Communication: Keep tenants informed about the status of their requests.

You can opt for an informal or formal (paid) mentor.

Hi Paul,  As of last month I was informed by Los Angeles city planning that no complete application for an urban lot split under SB9 had even been submitted yet. 

I wrote the above for informational purposes.

It's a double skip process that requires gathering owner information on the LLCs from the secretary of state or corporationwiki (as @Eliott Elias stated), and then skipping the owner which is why you will only find a handful of companies that can do this accurately.