So we had to prove the unit was existing for more than 20 years but providing public records and voter logs and getting neighbors to sign statements.  

Probate is public, requires paperwork, and changing of the Title/Deeds. 

Most will likely stick to the technical limit of Sept 2021 when it ceased being a primary residence, but some may be comfortable going by the address on the 2021 return and others may explore a partial exclusion, depending on the reasons for your move abroad.If you'd like to read up on the technical rules, the IRS publication 523 gets into more detail than most people would like to know, but it does have some helpful tables and examples for different scenarios.

Is there a website that shows this kind of information publicly?

I am enrolled in Public Service Loan Forgiveness (PSLF) program and need to pay 10% of my taxable income towards my student loans.

I am unsure what case law there may be regarding STRs with regards to "public accommodations" versus a typical rental arrangement.

The following is in my purchase agreement and I alway get a MOC on all purchases  MEMORANDUM OF CONTRACT RECORDABLE, PERSONS BOUND AND NOTICE: Buyer may cause to be recorded, at Buyer's option and expense, in the public records of the county in which the property is located, an executed Memorandum of Contract.

Whether you have a septic system or a public sewer, tenants should not flush anything more than TP.

Would absolutely verify employment and do credit and background checks, including public records.

I am hoping we see a pullback in markets I want to invest in, but it really depends on how the public reacts to whoever gets voted in, and the rate changes in the next year.