Seinfeld is set in New York City. More specifically, it is set in a very particular version of New York — the Upper West Side of Manhattan in the 1990s, a neighbourhood during a specific decade that produced a specific culture and a specific kind of comedy.
That New York no longer quite exists. The rents are different. The demographics are different. The specific mix of anxiety, ambition, inconvenience, and community that characterised the Upper West Side in the early 1990s has been replaced by something smoother, more expensive, and less funny.
Seinfeld preserved it.
Jerry's building on West 81st Street is the show's gravitational centre. Characters arrive without buzzing, enter without knocking, and treat the space between apartments as a shared commons. This is not how buildings work in most of America, but it is how they worked — how they still work, in certain buildings — in New York. The density of the city, the proximity of strangers, the specific relationships that develop between people who share a hallway for years: Seinfeld captured all of this.
Monk's Cafe — based on Tom's Restaurant on Broadway and 112th Street — is a specifically New York institution: the place where you can sit for two hours over coffee that keeps being refilled, where the waitstaff knows your order, where nothing much happens but everything gets discussed. Monk's is where Seinfeld's philosophy is most clearly expressed — the idea that ordinary conversation, conducted long enough and specifically enough, is interesting.
The Soup Nazi's restaurant represents a specifically New York phenomenon: the vendor whose product is extraordinary enough to justify behaviour that would be unacceptable anywhere else. New York has always had these vendors — pizza places with no chairs, coffee carts that don't accept cards, delis with specific ordering protocols. The Soup Nazi is an exaggeration of a real type.
Much of Seinfeld's comedy comes from street-level New York life — the parking difficulties, the pedestrian conflicts, the specific aggression of shared public space. This is the texture of New York life that the show captured most precisely: the way the city generates confrontation through proximity, the way everyone is always in everyone else's way, and the way that this is simultaneously maddening and the source of the city's energy.
The New York of Seinfeld — the Upper West Side of the early-to-mid 1990s — was a particular moment in the city's history. The show caught it in transition and made it permanent. Monk's Cafe and Jerry's building exist now in the form they existed in 1993, preserved by the specific quality of attention that good television pays to ordinary life. That is what New York comedy has always done: taken seriously the place where it happened, and made it worth taking seriously.