If you knew about it, and are sure you owe it, you should pay it with proof of payment/delivery.

And I'd post it on their door or hand it to them, and I'd also send it to them via USPS mail with delivery confirmation.You can print out your own priority mail with delivery confirmation online at usps.com. 

You just send it with delivery confirmation to their last known address, which would be your property.  

Be sure and send it with delivery confirmation, so you have proof they received it.

The unfortunate inconvenience is that since the bottom doorbell is lit up, visitors or delivery people for the 1st floor unit assume that is their doorbell (when it's actually mine).

I guess we just wore them out so this is my last word on the subject.The quote was from the Florida decision so the Court, not me, was looking to the other states for direction, not precedent.I wrote that generally that's the definition of marketability, the Definitions section of the Conditions of the 2006 ALTA Florida modified Owner's Title policy provides:(k) "Unmarketable Title": Title affected by an alleged or apparent (emphasis added) matter that would permit a prospective purchaser or lessee of the Title or lender on the Title to be released from the obligation to purchase, lease, or lend if there is a contractual condition requiring the delivery of marketable title.I believe Nat's title meets that definition.I agree there's no cloud on her title because I believe she may not have title to have a cloud on if her units were not legally created. 

This not only adds to the project cost but also a long delay in delivery time.

Be aware if your jurisdiction has “1 business day” delivery times or similar for digital service you may need to adjust scheduled dates

I said the letter sent by CSC clearly indicates that the increase is due to "investments in people, systems, technology and service delivery", and not a fee related to occupying the space.  

Any deduction from the security deposit shall be itemized and identified by the landlord in a written notice delivered to the tenant together with the amount due, within thirty days after termination of the rental agreement and delivery of possession.