I suspect the person who originally turned it into a fiveplex only applied for permits to make a fourplex and then did the 5th unit fly by night (perhaps at a later date) in order so the property would still be considered residential and allow for better financing possibilities.

I’m unsure what kind of notice I need to give them—does it work the same way as residential leases, requiring a 120-day notice?

This reduces exit options and affects the value. 10) Small number of small units is the most expensive residential development there is.

Do you know if this virtual office can be in a residential address?

Keep in mind that DSCR loans are how most investors have scaled. whether its residential DSCR or commercial DSCR at 5+ units. personally, i like them better. few reasons why:1. seasoning period is only like 10-30 days vs 60days going conventional2. seller max contributions DSCR is 3-6% where conventional its only 2% max3.

Anti-money-laundering laws are largely to blame.  

However, there wasn’t much residential use and I couldn’t figure out where the housing neighborhoods are.

I read on Lee Arnold system . com that joining the inner circle gives access to up to 100% financing on residential loans including Property Purchase Price + Closing Costs + Rehab Costs if that amount is 65% of the after repair value (ARV) as determined by a third party appraiser.  

There's a big difference in a residential designer and a vacation rental designer.

Interesting that this seems to cover all property zoned residential, with no apparent carve out for a transaction of residential property between two investors.