You can totally get around that No Pets clause in the lease
According to NYC Admin. Code Â§ 27-2009.1(b), "In multiple dwellings in New York City and Westchester County, a no-pet lease clause is deemed waived where a tenant 'openly and notoriously' kept a pet for at least three months and the owner of the building or the owner's agent had knowledge of this fact." Lawyer Adam Leitman Bailey writes, "The problem for landlords in the interpretation of this provision is that current case law recognizes everyone as an agent of the landlord for purposes of giving the landlord notice of the presence of an improper pet. Even the most casual observations by the landlord's workers, not necessarily of the pets themselves, but of the pets' accoutrements, have been held to bind the landlord to knowledge of the pet being kept 'openly and notoriously.' ... There is no way to write a no-pet clause in a lease to avoid these issues." So, basically, if you walk by a maintenance worker holding a leash, then wait three months, you can have a dog.