I only moved a few cities over into a different house, wondering if it was an environmental factor that was causing my issue (for which I had been hospitalized before).

Amongst the many liabilities mentioned (superior liens, unserved parties, etc.) there is also potential environmental liability as well.

You would be wise to obtain a Phase I Environmental Site Assessment to learn if there are any problems which will need to be addressed. 

How do you look up homes that become vacant here in Norfolk the city of Norfolk department of public health - Bureau of environmental health will put a notice of violation on your door if your home is unfit to live in or not kept up with so shouldn’t there be public records on this info?

That initial message was  a "stream of consciousness" to make the scatterbrain thoughts real.

You'll have to decide if you can tolerate the broader environmental risks, but I think $1,500 per month is totally worth it.  

11.Are there any environmental concerns?

Alert the world that the property he has is an environmental mess?

To give you an idea on the cost to remove the UST and get a No Further Action letter from NJDEP you would have to hire a pre-qualified environmental professional to investigate and remediate unregulated underground. 

Phase 1 Environmental Assessment & Sewer Line inspection