You want to find a balance of investing experience, but strong track record of multifamily sales (which you can see on their Zillow profile).

There is no record of them being purchased by RAD among the city’s real estate filings.

--I would agree that this market has opportunities for seller finance as a record number of properties in the US are paid off. 

I have a call with an attorney today.I am just curious, how do I check the court records myself?

I keep a spreadsheet for each property with these Q&A recorded for all prospects. 

It should be pretty accurate - high level data sites are not always going to be perfect, but should always be directionally correct and AirDNA has a pretty strong track record. 

Second, people with criminal records are in need of housing and have made great tenants for us.

You need to review the assessment record for your property as there may be errors. 

Quote from @Joshua Thompson: If it helps, I asked many clients this same thing and learned the clients who spend time each month updating books and records are the ones who spend less than 30 minutes preparing everything for us. 

This protects against potential claims and liabilities specific to the rental.For tax purposes, maintain clear records of rental-related income and expenses, allowing deductions for insurance, utilities, maintenance, and depreciation proportionate to the rental unit.