ยง  6513. Duration of notice of pendency. A notice of pendency shall be
  effective for a period of three years from the date  of  filing.  Before
  expiration of a period or extended period, the court, upon motion of the
  plaintiff  and upon such notice as it may require, for good cause shown,
  may grant an extension for a like additional period. An extension  order
  shall  be  filed,  recorded  and  indexed before expiration of the prior
  period.
Structure New York Laws
CVP - Civil Practice Law and Rules
Article 65 - Notice of Pendency
6501 - Notice of Pendency; Constructive Notice.
R6511 - Filing, Content and Indexing of Notice of Pendency.
6513 - Duration of Notice of Pendency.
6514 - Motion for Cancellation of Notice of Pendency.
6515 - Undertaking for Cancellation of Notice of Pendency; Security by Plaintiff.