They will record a lien on the house with you as a personal guarantor when they setup the LOC. 

In OR, title won't advise on origination of recorded docs.

The county website is just the record keeper but the decisions and rezoning are done by each city individually.  

Getting the records of the previous owner would be one way and a percentage would be another way.

There are also bankruptcy records, credit reports, probate records, mortgage assignments, etc.

This would be a great way to build a track record, build your own portfolio, and learn. 

In the resume they are wanting to know more about your experience, credibility, team, education, track record, and anything you have accomplished that will give them comfort in working with you. 

But during escrow, the most important thing are the rent rolls any sort of profit and loss records the seller has.

PM lenders will probably ask for a track record so you'll probably need to go with Hard money even though it's more expensive. 

Unlikely anyone is handing you any money to invest if you don't even know the terms and have no experience or track record...