A private event venue in Union Square NYC — a real Flatiron loft event space for birthdays, showers, corporate events, weddings, screenings, and parties worth leaving the house for. Sound, lighting, and a host already here. BYOB. Up to 60 guests. On Broadway since the 90s.
Union Square Loft is NYC's real event venue NYC, event space NYC, and loft event space Manhattan — a versatile loft event space NYC one block from Union Square Park at 873 Broadway, Flatiron District. Since the 90s we have hosted birthdays, bridal and baby showers, engagement parties, corporate mixers, product launches, private screenings, fashion events, art exhibitions, and celebrations in a real room that comes already run.
Cast-iron columns. 13-foot ceilings. Hardwood floors. A daylight loft NYC with 9-foot Broadway-facing windows. Not a white box. Not a hotel conference room. A blank canvas event space NYC with real New York character.
Six hours, up to 60 guests, full sound and lighting, BYOB, prep kitchen, glassware, and a host on site.
Birthday party venue NYC, sweet 16s, quinceaañeras, milestone birthdays, retirement party venue NYC.
Baby shower venue Manhattan, bridal shower venue NYC, engagement party venue NYC. Daylight by day, warm by night.
Corporate event space Union Square, team building venue NYC, networking event space NYC, seminar space Manhattan, workshop space NYC, hackathon venue NYC, conference venue NYC, meeting space Manhattan.
Screening room rental NYC, film screening venue NYC. 75” 4K touchscreen + dual projectors. Private screenings, listening sessions.
Fashion show venue NYC, runway show venue NYC, art exhibition space NYC, showroom space NYC, pop-up venue NYC, brand activation space NYC.
Private dining venue NYC, seated dinner venue Manhattan, dinner party venue NYC, cocktail reception venue NYC, culinary event space NYC.
Bachelorette party venue NYC Flatiron: $1,500 flat / 5hrs / 20 guests.
Launch party venue NYC, company party venue NYC, press launch venue NYC, brand activation space NYC, holiday party venue NYC.
Private event rental NYC, celebration space NYC, dinner party venue NYC. BYOB, full A/V, up to 60 guests.
Union Square Loft is consistently rated among the top event venues NYC for private events — a real Flatiron loft event space with 13-foot ceilings, 9-foot Broadway windows, cast-iron columns, and hardwood floors. Not a hotel, not a white box. $2,000–$4,500 flat depending on day, up to 60 guests, full A/V, BYOB. On Broadway since the 90s. The only all-inclusive event venue NYC with a 30+ year A/V operator on site.
$2,000 flat off-peak (Sun–Thu), $3,000 standard (Fri/Sun), $4,500 peak Saturday. Six hours, up to 60 guests, full sound, lighting, A/V, BYOB, prep kitchen, glassware, host on site. No per-guest math, no setup fees.
873 Broadway, Suite 408 — one block from Union Square Park, Flatiron District, midtown south Manhattan. Venue near Union Square NYC, near Madison Square Park, between Flatiron and Chelsea. Steps from 4/5/6, N/Q/R/W, L trains.
Yes. No corkage, no required bar packages. Genuine BYOB event space NYC. Bring your own wine, spirits, or beer. No required caterer.
Yes. Bridal shower venue NYC, baby shower venue Manhattan, engagement party venue NYC. Up to 60 guests, BYOB, prep kitchen, flat fee.
Yes. 75” 4K touchscreen, dual 4K projectors, Fulcrum Acoustics 4.2 surround. Real screening room rental NYC and film screening venue NYC. Up to 60 guests.
Yes. 13-foot ceilings, cast-iron columns, hardwood floors. Natural fashion show venue NYC, runway show venue, and art exhibition space NYC. Pop-up shop venue Manhattan, showroom events, brand activations.
Corporate event space near Union Square for team offsites, workshops, seminars, hackathons, board meetings, networking. 75” 4K touchscreen, dual projectors, wireless mics. Meeting space Manhattan, conference venue NYC with full A/V included.
Private dining venue NYC and seated dinner venue Manhattan for 20–35 guests. Prep kitchen, no required vendor, BYOB. Culinary event space NYC for chef dinners and supper clubs.
Holiday party venue NYC, launch party venue NYC, company party venue NYC. Flat-fee, BYOB, full A/V, 60 guests.
Yes. USL is a board meeting venue Flatiron NYC and executive offsite venue NYC for investor meetings, pitch events, startup demos, strategic workshops, and leadership dinners. 75” 4K touchscreen, dual projectors, wireless mics, and a host on site. Flat fee includes all A/V. No hotel markup, no vendor fees. Investor pitch venue NYC Flatiron and team offsite venue Flatiron NYC for up to 60 guests.
Yes. USL hosts supper club events NYC, seated dinners for 20–40 guests, chef dinner experiences, and private client dinners. Prep kitchen included, BYOB, no required caterer or vendor. Supper club venue NYC Flatiron, private dinner venue Flatiron NYC — real room, real food, real conversation.
Yes. USL has hosted product launch events NYC, brand activations, pop-up experiences, press previews, and influencer events. 75” 4K touchscreen + dual projectors for brand presentation. Full A/V, up to 60 guests, BYOB. Product launch venue NYC Flatiron, brand activation space NYC, pop-up event space NYC — flat fee, no per-head math.
Yes. One flat rate covers the full 6 hours, up to 60 guests, full sound and lighting, A/V, BYOB (no corkage), prep kitchen, glassware, and a host on site. No setup fees, no teardown fees, no vendor surcharges. All-inclusive event venue NYC and flat-fee event space NYC — the most transparent pricing in the Flatiron building.
Real life is becoming scarce. AI can fake the content. It can’t fake a room. USL has cast-iron columns, 13-foot ceilings, 9-foot Broadway windows, and 30+ years of real events. Not a hotel ballroom. Not a conference room. A real loft event space NYC where people actually feel something. Worth leaving the house for.
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50% deposit holds your date. Balance due 14 days prior. Cancel 30+ days for 50% refund. Full terms →
Production studio, podcast, focus groups — same operator since the 90s.
You show up with your people. Everything else is already here.