And plan ahead in spring the trucks are subject to roadway weight restrictions so plan ahead, 

Some restrictions apply, and those are just a couple of the best deals on the market that I am aware of.

What time of restrictions are we facing.  

If not, who is that period restricted to?

I think we all just like that it's casual and there are no dues or restrictions.

Takoma Park has incredibly restrictive rent control.

I see comments regularly that talk about restrictions in contacting pre-foreclosures.

Your lender may accelerate your mortgage or may vet your new partner and simple require him to sign onto the mortgage as a guarantor {the first scenario is more probable}.If you are looking for equity you could simply take a second mortgage from your friend, provided your primary lender will allow it and you conform to any restrictions (i.e. all mortgages must collectively be less than 80% LTA) dictated by your existing mortgage agreement.  

A lot of the residents I've spoken with like the diversity and neighborhood feel as well as the building restrictions which provide a continuity in the style of housing.

We have the same human rights in Canada regarding housing only ours are probably more restrictive.