A two-story Korean gastropub on Union Square West known for the line that forms for a table or bar seat during its daily 4-7pm happy hour, per The Infatuation.



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The Infatuation's review of the Union Square location says diners "will notice the lines waiting for a table or bar seat during Happy Hour (4pm-7pm every day)," framing that daily discount window — not general dinner service — as the main driver of crowding. The outlet steers readers away from the reservation-required, second-floor Korean BBQ room and instead recommends "sticking to some share plates and bottles of soju at the bar or booths on the ground floor" as the more accessible, walk-in-friendly way to eat there.
Time Out's guide to the location corroborates the same daily 4-7pm happy hour window and advises "arriving early to take advantage of the Happy Hour," implying the line forms right around when the discounted drinks start rather than building slowly over the evening. Time Out also notes the restaurant "welcomes guests for a quick bite at the bar" on a walk-in basis, distinguishing that ground-floor bar/booth seating from the upstairs Korean BBQ tables.
Booking is available through Resy for general seating, per Resy's own listing for Barn Joo Union Square, while The Infatuation notes the upstairs Korean BBQ tables specifically require a reservation. Neither outlet publishes a specific wait-time duration in minutes — the consistent detail across sources is a daily happy-hour line rather than an all-day wait.
Patterns as reported by press and regulars — not measured by damnlines.
Reservations: Bookable via Resy for most seating; upstairs Korean BBQ tables specifically require a reservation, per The Infatuation.
Walk-ins: Yes, for ground-floor bar and booth seating, per Time Out.
Sun–Wed 12:00pm–11:00pm, Thu–Sat 12:00pm–12:00am, per Time Out; daily Happy Hour 4pm-7pm.
No outlet publishes a wait time in minutes, but The Infatuation reports "you'll notice the lines waiting for a table or bar seat" specifically during the restaurant's daily Happy Hour, 4pm-7pm. Time Out's guide corroborates the pattern, advising guests to arrive early to catch the discounted drinks before the line builds.
Yes, for most of the restaurant — Resy's listing for Barn Joo Union Square allows online booking, and The Infatuation notes the second-floor Korean BBQ tables specifically require a reservation. Ground-floor bar and booth seating can be booked too but also runs on a walk-in basis, per Time Out.
Yes, at least for the ground floor — Time Out says the restaurant "welcomes guests for a quick bite at the bar," and The Infatuation's recommended move is grabbing share plates and soju "at the bar or booths on the ground floor" rather than booking the upstairs BBQ room.
It's a two-story Korean gastropub on Union Square West with tableside Korean BBQ upstairs and a bar/share-plates scene downstairs, per Time Out, and it's known for the line that forms specifically during its daily 4-7pm Happy Hour, per The Infatuation.
Both The Infatuation and Time Out point to the daily 4pm-7pm Happy Hour window as the peak crowd time, when discounted beer, wine, and cocktails draw lines for tables and bar seats.
Sources: The Infatuation · Time Out New York · Resy