N.Y. Lien Law § 186

§ 186. Lien of bailees for hire. Every person, firm or corporation\nengaged in performing work upon any watch, clock or jewelry for a price\nshall have a lien upon any such watch, clock or jewelry upon which such\nperson, firm or corporation performs such work for the amount of any\naccount that may be due for such work. Such lien shall also include the\nvalue or agreed price, if any, of all materials furnished by such\nbailees for hire in connection with such work, whether added to such\narticle or articles or otherwise. If such account remain unpaid for one\nyear, after completing such work, such bailees for hire may, upon thirty\ndays' notice in writing to the owner specifying the amount due and\ninforming him that the payment of such amount within thirty days will\nentitle him to redeem such property, sell any such article or articles\nat public or bona fide private sale to satisfy the account. The proceeds\nof the sale, after paying the expenses thereof, shall be applied in\nliquidation of the indebtedness secured by such lien and the balance, if\nany, shall be paid over to the owner. Such notice may be served by mail,\ndirected to the owner's last known address, or, if the owner or his\naddress be unknown, it may be posted in two public places in the town,\nvillage or city where the property is located. Such notice shall be\nwritten or printed. Nothing herein contained shall preclude the remedy\nof enforcing such lien by action, as provided in article nine of this\nchapter.\n