Private dining in New York, reported.

If you are planning a December dinner in Manhattan, the most useful thing you can know in August is that December is not priced like the rest of the calendar. Two restaurants in the Union Square area publish separate December food and beverage minimums, and the gap is substantial: one moves from $4,500 to $6,000 for a private dining room dinner, the other from $5,000 to $7,500. Both require half the minimum as a deposit at signing. Both stop refunding that deposit 28 days out. That structure, not any rumor about availability, is the real argument for settling your date early.

At a Glance

• Gramercy Tavern publishes a private dining room dinner minimum of $4,500 January through November and $6,000 in December.
• Union Square Cafe publishes $5,000 for its Park & Irving Room Monday through Saturday, January through November, and $7,500 in December.
• Both require a 50% deposit to hold a date, refundable only more than 28 days before the event.
• Both charge the full contracted minimum for cancellations inside three business days.
• Most other venues in the corridor publish no minimum at all, which means inquiring is the only way to budget.

What the December premium actually tells you

A published seasonal price is a venue telling you, on the record, that it expects to sell that room without you. Restaurants do not raise a printed minimum by 50% for a month in which they are worried about filling the calendar.

The exact figures are worth having in front of you.

Gramercy Tavern, 42 East 20th Street, publishes its terms in an event kit. The private dining room seats 20. Dinner minimums run “January - November: $4,500” and “December: $6,000.” Lunch runs $1,750 for most of the year and $2,500 in December. The kit is explicit that this is not a room charge: “We do not charge a room fee for Private Dining Room reservations.” Minimums exclude gratuity and 8.875% sales tax, which is a line planners routinely forget when building a budget. Full restaurant buyout is 120 seated or 150 standing, with pricing on inquiry.

Union Square Cafe, 101 East 19th Street, publishes more granular pricing. The Park & Irving Room holds up to 40 seated or 45 standing, and its dinner minimum runs $5,000 Monday through Saturday from January to November, rising to $7,500 in December. Sunday holds at $3,000 year-round. Lunch and brunch stay at $1,500 across the whole calendar, December included — which is the single most useful arbitrage in this article. The Alcove, seating up to 10, runs $450 for lunch or brunch and $1,500 for dinner outside December, $2,000 inside it. Even the Parlor Bar is priced by the hour and by the season: $1,700 for the 5pm to 6pm window January through November, $2,200 for the same hour in December.

Note that a December lunch at Union Square Cafe costs the same as a June lunch. If your group can meet at midday, the premium disappears entirely.

The money commits at signature, not at the event

This is the part planners underestimate, and both venues publish identical terms.

A deposit of 50% of the food and beverage minimum is required to reserve the room. At Union Square Cafe’s December dinner rate, that is $3,750 committed the day you sign. Deposits are “fully refundable for cancellations more than 28 days prior to the event date.” Inside 28 days, the deposit is not refunded unless the venue rebooks the room. And “cancellations within 3 business days of the event are subject to the full contracted food and beverage minimum charge.”

Read that sequence as a calendar rather than a policy. Your genuine decision deadline is not the event date. It is 28 days before it — which for a mid-December dinner falls in mid-November. Everything after that point is spent money.

Gramercy Tavern also publishes its timing rules, which matter for anyone scheduling around an office day: lunch arrivals between 11:45am and 1:30pm with the room held to 3:30pm, dinner arrivals between 5:30 and 9pm with the room held to 11:30pm. Its three-course private dining menus run $125 or $165 per guest at lunch and $195 at dinner. Tablescapes start at $650, and no outside florals are permitted.

Where the published numbers stop

Almost everywhere else, the answer is that you have to ask. That is not evasion on the venues’ part so much as standard practice, but it changes how you should spend August.

Tarallucci e Vino is the exception worth knowing about, and the only venue in this group that names holiday parties explicitly. Its Fifth Floor Loft at 873 Broadway holds “90 seated | 150 standing | 2,000 sq. ft” and is listed as ideal for, among other things, “Team celebrations and holiday gatherings.” Its Mezzanine at 15 East 18th Street runs “10-38 seated | 20-65 standing | 900 sq. ft.” Larger lofts in the same building run to 135 seated. Unusually, it publishes a per-guest range rather than a minimum: “Most events range between $95–$150 per guest depending on format.” Inquiries go to its events manager directly.

Casa Mono, 52 Irving Place, publishes “Casa Mono Capacity: 40 seated / 55 standing” and “Bar Jamón Capacity: 22 seated / 33 standing.” Be aware the site contradicts itself — prose elsewhere on the same site cites 50 standing at Casa Mono and 30 at Bar Jamón. Confirm the number in writing before you plan seating.

La Pecora Bianca publishes its NoMad Havana Room as accommodating 20 guests on one long rectangular table, on the lower level, fully enclosed with a sliding door and its own temperature controls. Its buyout figures also conflict between the web page and the 2026 brochure, so ask.

Eataly at 200 Fifth Avenue publishes only a range: “Whether you’re hosting an intimate dinner for 12 or a gala for 300.” Barbounia, 250 Park Avenue South, publishes no capacity but sets a threshold: “For groups of 10 or more, get in touch today.”

Isabelle’s Osteria, 245 Park Avenue South, publishes no capacities or minimums either — its private events page is an inquiry form. Two things in that form are useful before you write: it requires a group of 12 or more for an event inquiry, and its event-type list includes holiday parties, so the room is being marketed for exactly this. Smaller parties are directed to contact the restaurant directly. It is a contemporary Italian room on the corridor between Union Square and Madison Square Park with a private dining room off the main space, which makes it worth an email if your group is in the 12-to-30 range and you want an Italian menu rather than a hotel ballroom. Send the events inquiry with your date, headcount and end time, and ask for the minimum in the first reply.

What to lock down, in order

1. Date and meal period first. Lunch and Sunday pricing can be half of a December Saturday dinner at the same venue. Decide whether the calendar or the budget is fixed before you shortlist.
2. Get the minimum in writing. Almost nobody publishes it. It is the number your whole budget hangs on, and it should be in the first substantive reply you get.
3. Confirm what the minimum excludes. Gramercy Tavern states plainly that gratuity and 8.875% tax sit on top. Assume the same everywhere and ask.
4. Read the deposit and cancellation clause before you sign, not after. Find your 28-day date and put it in the calendar.
5. Ask what “private” means here. A fully enclosed room with its own door is a different product from a curtained section of a dining room, and both get called private dining.
6. Confirm the room-hold window. A room held to 3:30pm ends your lunch at 3:30pm.

Frequently Asked Question

Do I have to hit the food and beverage minimum, or is it just a target?

It is a floor, not a target. If your group orders less than the contracted minimum, you pay the difference anyway — that is what the number means. So the useful question when comparing venues is not which minimum is lowest but which one your actual group will naturally clear. A $6,000 minimum across 20 guests works out to $300 per person before tax and gratuity, which a three-course dinner with wine may or may not reach. Ask the events manager to walk you through a realistic per-person spend at your headcount, and treat any minimum you would struggle to reach as a bill rather than a booking.

Before you inquire

Have your headcount range, your date, your start and end times, and your budget ceiling ready in the first email. Most inquiry forms in this corridor ask for exactly those fields, and a complete first message gets you a number faster than three rounds of questions.

Our guide to what to ask before you plan a private dinner covers the contract questions in more detail, and the published capacities near Union Square is the companion piece for sizing a room. If you are comparing rooms rather than dates, start with how to compare private dining rooms in Gramercy. For the question of whether a room suits a group at all, our sibling publication has written on what makes a restaurant good for groups.

Every capacity, minimum and cancellation term above was read off each venue’s own published materials in August 2026. Event pricing changes, and several of these venues publish conflicting figures across their own pages — confirm everything in writing before you sign.

Editor’s note: Isabelle’s Osteria is affiliated with this publication. Restaurants were selected using the criteria described above.