If you want to pay for a skip trace but that is usually for lists, you can do some good old fashioned Google detective work as well.

If not then they're going to have to do some detective work.

Who has experience switching from one master meter serving a park to converting to individual meters and in the meantime, discovering leaks from a huge web of water lines, any suggestions?

Can you detect areas that have sustained damage from moisture over time?

I was a Peoria Police Officer for 13 years, my last 3 as a violent crimes detective.

There are different dbases of info and I can understand it not being removed for a year or two, however if this home is in C'ville, it's skeptical that they didn't detect it.

It’s detective work, for sure, but you can usually get what you need.We spent most of 2018 building our MHP database of owners in larger metros of 30 states.  

In the entire building those board were the only ones that were not physically removed or chemically stripped.I do know that XRF will detect that lead and have been told that I should notify an inspector/risk assessor of that situation otherwise it will be assumed that the surface of those boards are painted with lead paint.It is notable too that in the year ~1990 I had a blood level of 8 ug/dl. 

You should have a claim if the inspector did not detect that the duct work was not actually ran to the addition.

@Harv Yergin IV My rentals are as high tech as they get ( video doorbells, smart thermostats, water leak detection etc.,) but smart locks weren't good ROI for me.