Even if I plug the address into the county auditor to find the entity.

Even if you think you are doing things legitimately, it doesn't mean you can't get pulled into an audit or have your business questioned.

This just means in some sort of audit or lawsuit, your personal banking records will be needed to show the movement of funds to demonstrate that everything was done cleanly/correctly. 

The IRS has stepped up their hiring of top-notch, ready to show their stuff, graduates in accounting as new auditors.

Also, when I go online and look at the auditor's website, more often than not, I pull up the permitting records, and there are none, despite the fact that there are new windows, roofs, porches, and siding. 

The IRS has hired a lot of new, young and agressive auditors to target depreciation schedules.

@Zinyor Babiker Go to the county auditor website.

Personally I have utilized the CPA I have for many years because she was a former IRS auditor, I have accounting persons for the strategy aspect and the CPA for the "CYA" aspect of looking for red-flags.

I have literally been driving around, looking at properties that appear vacant and getting information through the local auditors site to contact the current owners.

I live in Lorain County, and on the auditor's website the owner who purchased the house put it in his/ her LLC.