So Congress in their infinite desire to never let a good thing go unpunished is putting the brakes on tax free primary residence sales and by extension house hacking in multi family structures. 

I am known to be a stuborn own thinker, and I don't easily take advice from others that goes against my desires or thoughts. 

If it were me, I would get some comps of other similar duplexes, if possible from a realtor friend, or you can search online for properties around you, what they recently sold for.

Does anyone know how to go about searching for the owner of a property?

I know i know i need to search more on the forums to get more info.

There are so many benefits to having a membership including calculators to analyze deals, member searches and you can replay all the webinars they have done as well!

The same with most desirable areas with a heavy owner occupancy. 

Tim is a great resource on lending and mortgage information and has been a great help to me.To see my project search Investa-brothel on bigger pockets....

I am searching for one for my rental property.

Hint, Tree service companies(timber states), every property manager you can find, every real estate agent you can find, any mortgage broker in the desired zip code, county taxation dept loves free pizza Fridays.