You haven't explained the reason the broker owes you money. Generally a person must sue the party who owes them money. If successful the court will issue a judgment lien that can be served on the debtor and recorded in the land records. It can be used by the sheriff to seize any property to satisfy the lien.
No.
Yes, you can file a lien against the property. The estate will have to clear the claim.
A lien against bank owned property would not be effective unless the lien was against the bank. If you have a lien against the former owner your opportunity to try to enforce it has passed.
In this case, apparently, the bank is the owner. So yes, the HOA can file the lien against the bank's ownership of this unit.
FIle for a lien against them in court.
An individual can file for a lien in court, but only the court can award a lien against another party.
Yes
The owner cannot mortgage or sell the property until the lien is paid.
They can still enforce the lien. They may have to file a claim against the estate.
You can place a lien on a personal loan. You need to win a lawsuit that allows you to against the debtor.
Association assessments and liens against them are very specific in their legal attributes. Best practices dictate that you work with association counsel to file the proper lien, properly. There are many types of liens and several ways to file them. A mis-filed, inappropriate lien can give the owner a valid defense against the lien.
Yes--but only if they have a court judgment against you. In that case, they would have what is called a judgment lien.