N.Y.C. Admin. Code § 28-212.1: § 28-212.1 Abatement of public nuisances caused by illegal commercial or manufacturing occupancy in residence districts and certain other zoning districts.

Any building or part thereof or vacant land that is located in a residence zoning district and that is occupied for a use not permitted in such district in violation of the zoning resolution, without a certificate of occupancy or other authorization of such use, is hereby declared to be a public nuisance. Any building or part thereof or vacant land that is located in a C-1 or C-2 commercial zoning district and that is occupied for a commercial or manufacturing use indicated under use group 16, 17, or 18 as described in sections 32-25, 42-14, and 42-15 of the zoning resolution, in violation of the zoning resolution, without a certificate of occupancy authorizing such use is hereby declared to be a public nuisance.