Send the notice by regular first class mail, certified mail and have someone local post it on the door in a conspicuous place (put it up with good heavy tape & protected from rain or covered with plastic) and take a picture of it for your records. 

Originally posted by @Mark Fries:@Justin K.Trust the neighbor, get out of the deal.  

I have now put a plastic cover on it to stop it from getting wet but those lights need air circulation.

How about a plastic tackle box? 

Most are value engineered to hit a price point with cheaper plastic parts, valves, cartridges.

The next auction (4th for this property) starts on Fri 11/27.

They also spent their own money on plastic, tape, and paper to cover.

Im avaliable all day next week Mon-Fri.

@Larry Fried Hey thanks for the tips and indeed the alerts are set.

@Larry Fried I think what you're saying makes sense as far as them going ahead with work under a certain threshold so as to keep the tenants happy.