I assumed the same thing, but I just wasn't familiar with this terminology until I looked it up on Google.

@Jeff G. some well intended and mostly true assistance posted so far.Let's look at "logical" answers:We're going to assume only 4 Classes - A, B, C & D.- Some people go to F, but what's the point?

So I would assume this isn't an investment property and more likely will attract home owners rather then investors. 

Most people who buy in Costa Rica do it for lifestyle and they might rent (or not) to cover the cost and maybe make a little profit.Unless mentioned otherwise, when responding on that topic I know or I have assumed that people are potentially interested in an investment property, not a lifestyle property because this is an "investment" website and people talk about STR.

When you go to sell, Montvale requires a certificate of occupancy so this issue has to be resolved in advance of a sale.Although I am not a lender, I assume you will not be approved for an owner-occupied mortgage on 5-units if it is a legal 4-unit without some type of mortgage fraud whether in reported rents, units, or another legal document or representation (very very large issue from a legal perspective with multiple arrests in the last year for anyone playing fast and loose).As far as the DCA, I would recommend coordinating your work with the city with the DCA.

But we can only assume since you stated this does not have to be disclosed because the work has been repaired, that you have confirmed the reapirs were done properly and in acccordance with any and all codes. 

I assume you used a realtor and I assume you used their state contract.

It would allow Airbnb to screw both hosts and guests (assuming airbnb is the ota chosen).  

Assuming that they aren't simply lucky in market timing, excessive in leverage, or excessively risky, why do you think that some companies and leaders ARE able to duplicate the ROI driving expertise and/or improve personal-business productivity in a way that allows scalability?

I am assuming your a pretty dang good attorney, and with some experience under that belt given it's worth $500k+ to whoever, for you to do what you do.