It includes a 3-bedroom, 1-bathroom ranch house along with a private street hosting a small mobile home park with 5 units of which are owned by the seller. 

If buying as a primary then the lender will be looking at your personal credit. 

But why would lenders not loan if the park owns the home?

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

our first exit strategy was to sell own a wrap around mortgage creating a second note and financing our desired equity position but to find the end buyer was a challenge so we decided to rent it out after 3 months of vacancy Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

For starters, I suggest you tune in to the BiggerPockets Podcast and connect with the local lenders and brokers.

As long as you have a proper representation, it should not be a concern.Investigation of Investors Widens to Title Insurers, Lenders (therealdeal.com)

Looking up lenders near me and go direct to them?

Find your core-4: Realtor, Lender, GC, and PM.

Current lender is Chase and they do not offer HELOCs.No real interest in Home Equity Loans as they are not as flexible as a line of credit.Looking forward to the convo!