Current address matches public records, as does occupation.

Tax department has record of tax card stating its 3 units.

If they still don't respond I would post a notice, and tell them that even though evictions are postponed, you can still file it NOW (I'm assuming) and it's going to show up on their public record NOW.

I mean, I have examined the title records on the property for the last 70 years via the county's online records system.

The county records still indicate that it is a duplex but the conversion was obviously done years ago before zoning came into affect.

(Several companies have been exposed for not actually having their own capital due to Covid-19 be sure you are working with lenders who have a sound tract record)Plan – Having a plan is important.

I am now looking over financial records from 2015-2018.

If you definitely want to find Airbnb owners, then go on Airbnb, try to figure out the address of the property you are interested in and mail an inquiry to that property or look up the owner's mailing address (that is possible here in Florida via public records) and mail them a professionally sounding and respectful inquiry into purchasing their property (preferably without the word "unload" in it, lol).Good luck!

Should I really keep all these years of tax records?

The window is up to the code, but there was no record that the previous owner has a permit when the window was installed. how can I start to get a permit?