For example, the owner's name or the property's name (I picked this one).

While we were in escrow, the title company discovered that the owner didn't disclose a second mortgage on the house to neither her agent nor the title company, her plan was trying to dismiss the foreclosure in court and hope this would go away before anyone would find out about it.

Purchased in a desirable part of Oakland (Glenview area) as an owner occupant in 2019.

The airport had the buildings (from when federal gov turned the land over to the Airport Authority after WW2.) and allowed the current "owner" to spend a few $M improving the buildings.

I only invest in A and  B areas  that usually makes renting some what easy .Having rentals loaned out to the wazoo can cause a lot of stress on owners to rent out immediately  .If the market softens up winter etc...

If so you may have some full doc options which have the best rates typically and terms.Like others have mentioned you have DSCR loans too but this only allows you to purchase non owner occupied properties (not primary residence or second home occupancy type properties).

It took the owner over 2 years but he has the permits now.

Hey Justin,I'm from CA and I have been in MS for a few years now, but my husband is a MS native.We are a family owned Property Management Company and we have plenty of experience with owners and investors.I have some ideas that you may be interested in, and I would love to know more about your opportunity to provide some insight.

(iii) leave a note at the owner's home that is nearby (she found using property records)?

It's a double skip process that requires gathering owner information on the LLCs from the secretary of state or corporationwiki (as @Eliott Elias stated), and then skipping the owner which is why you will only find a handful of companies that can do this accurately.