There are lead related forms if the property is built I think before 1970.

Companies sell these if you search around the forums you'll find plenty of lead/list companies out there. 

More than two-thirds of family offices have been created since 2000 with the majority founded by original wealth creators, 30% serve second generation and 19% serve a third generation. 

The property features two 1,400 sq ft suites on the main level (one currently leased) and over 3,000 sq ft on the upper level, with 750 sq ft already occupied, 3 small office spaces (+/- 250 sq ft each), and a basement tenant with 1,400 sq ft of storage space.The building generates $6,000 in monthly gross income from its five tenants, but with full occupancy and market-rate rents, it has the potential to bring in $10,000+ per month.Given its historical significance, stunning architectural details, and location, I’m curious about your opinion: Would this property be more marketable for sale with or without the current tenants?

Some investing topics that interest me is landlording, mortgage notes, and hard money lending as my goal is to generate cash flow.

While this leads to operational headaches, the bigger factor is the next one.Your lower quality tenants, typically, create heavier wear and tear and turn over more frequently.  

This 1br1ba basement unit generates $1,800/month so I'm trying to keep it under the radar for as long as possible, especially since I have such a great tenant in there.I recently had vacancy in 1 of the units in my house which is a 3br1ba.

Can try an ozone generator.

Been doing some more research and tryouts for image generation in real estate.

Tenant advocates say it is due to greedy landlords without a basic theory of economics that increased risk requires increased return and that these rules lead to higher rent increases (good tenants penalized for bad tenants).As history has shown, the LL normally benefits from increased appreciation and rent growth but that is besides the point.