Whenever the Building Inspector determines, based on an inspection,
that a building, structure or equipment is dangerous or unsafe for
human habitation, or threatens the health, safety or welfare of the
occupants or general public, or is hazardous to property, or is unlawful,
or a building system or equipment is unsafe or hazardous, written
notice shall be served by the Building Inspector upon owner or the
owner's executors, legal representatives, agents, lessees or any other
person having a vested or contingent interest in the building or structure,
personally or by registered or certified mail, addressed to the last
known address, if any, of the owner or the owner's executors, legal
representatives, agents, lessees, or other person having a vested
or contingent interest in the building or structure as shown by the
records of the Village Treasurer and/or in the office of the County
Clerk, Division of Land Records for the County of Westchester. If
the notice is returned showing that the letter was not delivered,
a copy thereof shall be posted in a conspicuous place in or about
the structure affected by such notice.