The owner of a building is public record, but I don't think I would volunteer that information. 

Sellers' records showed the property as 7 acres and marketed the land as 7 acres for almost a year.

It's not super easy as you have to keep detailed records of the hours, but definitely doable. 

Since the note itself is not public record, the only people who will know you own the property will be the trustee (ie a bank or Chicago Title Land Trust), your attorney, and the mortgage holder.

This is due to the “Notice of Sale” document which must be recorded and each lender notified in case of any foreclosure proceedings.  

In some states you can find via public records the owners of an LLC. 

You just check the appropriate box, either "no reports or records of lead based paint on the property" or "has provided lessee with all reports or records pertaining...")This means, even if it's been remediated (either by you or a previous owner), you still have to disclose it to your lessees.I've never personally remediated, so I cannot help with that part.

Since duplexes are "residential," a lot of owners don't keep business records, but they should at least have rent rolls -- get them after you go under contract if they won't give them first. 

But having a property management partner lined up, can be a big help, as you can sell their track record of operations, and deals they have been able to execute on.From the legal standpoint, a contract lawyer and a securities lawyer are two different specialties.

https://www.har.com/content/newsroom/Houston Real Estate Highlights in June:-Single-family home sales increased for the thirteenth consecutive month, up 13.6 percent year-over-year with 10,638 units sold;-The Days on Market (DOM) figure for single-family homes fell from 57 to 29;-Total property sales rose 16.9 percent with 13,090 units sold – the highest volume in history;-Total dollar volume increased 43.8 percent to $4.8 billion – a historic high;-The single-family average price reached a new record high, increasing 23.7 percent to $395,316; -The single-family median price rose 20.0 percent to $314,500 – also a record high; -Single-family homes months of inventory registered a 1.5-months supply, down from 3.0 months year-over-year and below the national inventory of 2.5 months;-On a year-to-date basis, single-family homes sales are running 25.9 percent ahead of 2020’s record pace.