Call the local water authority.With a low-down payment loan you'll have PMI.You don't have management (10%) in your expenses.

Capex budget has to account for roof, floors, appliances, hot water heater, hvac, etc.

Of course I know it’s there, the inspector wasn’t worried and advised me to clean it with bleach as it was dry, so it must have been from some older, but since fixed water damage from the 2nd floor unit.

Hello guys, I’m looking for a plumber who do the water sub-metering installation for my rental property located at NE Portland, OR.

I am consulting with a RE crowdfunding online marketplace to help them determine what, if any, sustainable initiatives (solar, low flow, LED, water harvesting, etc) have a positive ROI or can attract institutional investors. 

I once looked into a similar kind of project in NorCal and discovered that the city fees to get utilities on site (water meters at street, electrical transformers, ect) were in a certain range depending on the unit mix.

Is this your first step into the syndication waters?

Bonus may be another matter....This is uncharted waters to some extent - tax reform changed the 1031 exchange rules and only allows them for real property being exchanged.  1031 exchanges do not allow personal property to be exchanged which is eligible for bonus so that is likely why he has created his position. 

What's going on with sewage and is the water potable?

Many foundation problems have water as a root cause - be that infiltration in a crawl space, drainage around the site, cracked sewer line or water line.