I'm looking to pull a list of all multifamily property owners in my town, specifically targeting properties with 2 to 50 units.

I should have been more specific.

According to those sources, it is not a southern CA specific issue.  

If a property was purchased through financing, specifically in states that use mortgages, the deed and the lien from the loan are recorded by the county.

Without it, there's no guaranteed legal status, which could lead to being forced to leave the U.S. and potentially manage property from abroad—a complex and often costly endeavor.Real Estate Ownership and Rentals as a Non-Resident: If you do decide to purchase property and then move abroad, you can keep it as an investment, but it requires navigating tax regulations specific to non-resident foreign property owners.

However, there are specific requirements that you and the property need to meet to make this a viable option.  ...

Can you be more specific, are you looking for a term sheet?

Renovation Considerations: Before starting a renovation project, look at similar homes in your neighborhood to get a better understanding of the repairs needed to compete in your specific market.

It's best to consult a tax advisor to confirm if your setup allows for cross-property PAL usage in your specific case.

Specifically one that specializes in investor-focused lending.