Each bedroom must have its own access to a hallway or communal space." 

Let's be honest - if we as a society would be more crisp about communal accountability I think we'd be living with higher standards all around.

They also find any way to creat addition rooms and limit communal space.

I do enjoy the opportunity to be shown the light and proven wrong in my assumptions, but I have yet to hear a convincing, facts-based assertion regarding the impact of STRs on a community; on the other hand, I see greater influence of government on personal property rights under the guise of communal protection.

@Luke Gates Similar to what @Matt M. said, I own 3 communal homes that started out as house hacks.

The top unit currently doesn't have access to laundry so Id also like to make a communal laundry area for added value. 

For instance, if the home is on a foundation or not, whether you own or rent the land, or maybe the park land is communally owned and you are own just a percentage of it.

Hello BP Landlords!Question.  I have my eye on a 4-plex in my area to purchase.  I've noticed it needs to be water-blasted (pressure washed) due to algae buildup (I live on Guam so our buildings are all concrete).  Th...

The goal is to develop some living quarters and communal space which friends and family can use for their enjoyment with the probability that any number of the partners may retire there at some point.

It takes less work and gives a more communal feel.