Usually a mortgage company once notified will step in and pay the taxes to prevent their interest in the property being lost, but not always.

Safety - Learn about Crime Prevention Through Environmental Design (CPTED) and employ the concepts at your property.

What would you do to try to ensure that the PM company is more pro-active in preventing damage to that extent in the future. 

I feel like I am reading the thread equivalent of a car accident. 

Does the condo association have enough reserves to prevent future jumps in fees?

We put pad locks on our gates to prevent them from coming back in without us being there.Finally his friend contacted us about signing a lease.

Our priorities are 1- fixes for safety or to prevent further damage; 2- fixes that improve the rental income or will draw great tenants (we're turning the studio to a 1Br to increase rent), and 3-things my wife wants for customization/aesthetics (happy wife, happy life).Some specific questions I had so far are:1) We have a modified bitumen roof. 

Roommate A gave no notice (to us or the other roommates) and just bounced, Roommate B is moving back to Colorado because he got in a car accident and ended up with a concussion requiring ongoing care, which isn't covered by his insurance in Texas-a crappy situation.Roommate A has done nothing to fill his vacancy, and no one can get in touch with him.

It's preventing you from buying a deal you shouldn't.You can settle for a bad deal, look in another market where houses are cheaper, or be patient.

Is there a lien I can put on the property to prevent sale until deposit is paid?