Includes notices to a former tenant over unpaid charges.
Some companies add interest and secondary late fees to an unpaid charge.
The buildings must also have unpaid charges left over from earlier instances when the city had made emergency repairs.
In a foreclosure, unpaid common charges would come out of the proceeds of a sale.
American diplomats owe around $490,000 in unpaid charges from the past six months - roughly 34,000 individual infringements - according to the list.
The Americans owe more than $570,000 in unpaid charges, a figure that could grow to several million dollars if fines are included.
Mr. Berkman said that once a board demonstrates a serious intent to collect unpaid charges, the money is often paid.
Such powers are needed, say the advocates, because it is one of the few means open to associations in a foreclosure to recover unpaid common charges.
Any new bill, he said, must contain a limit on that right, usually six months' worth of unpaid charges.
However, any unpaid charges may not carry the same priority standing as in a co-op and might never be fully recouped.