N.Y.C. Admin. Code § 28-503.2: § 28-503.2 Notice.

The commissioner shall serve a notice of hearing with regard to the proposed nuisance abatement on the owner and mortgagee of record of the building or premises and other persons having a recorded interest in the property in the manner provided in article 212 of chapter 2 of this title for the service of an order of closure. If the sign is under the control of an outdoor advertising company and an address for such company is reasonably ascertainable, the notice shall also be served on such outdoor advertising company by mail to the last known address for such company or, if such company is registered in accordance with section 28-502.2, at the address provided to the department by the registrant.