N.Y.C. Admin. Code § 28-418.4: § 28-418.4 Warranties.

A warranty shall be provided to the buyer of a new one-, two- or three-family structure that accords with the provisions of article 36-B of the New York state general business law, including the following:

1. One (1) year from and after the warranty date the home will be free from defects due to a failure to have been constructed in a skillful manner;

2. Two (2) years from and after the warranty date the plumbing, electrical, heating, cooling and ventilation systems of the home will be free from defects due to a failure by the builder to have installed such systems in a skillful manner; and

3. Six (6) years from and after the warranty date the home will be free from material defects, including, but not limited to, any construction that is not in compliance with the building code or the zoning resolution of the city of New York.