When is HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃?

It is on Saturday, October 31, 2026, from 4 PM to 9 PM, on Halloween itself.

Where is HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃?

It takes place at Decades, 1219 Connecticut Ave NW, Washington, United States.

How long is HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃?

It runs for about 5 hours, from 4 PM to 9 PM.

HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃 in Washington

Name: HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃
Start: 2026-10-31T16:00:00-04:00
End: 2026-10-31T21:00:00-04:00
Location: Decades

HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃

HAUNTED ROOFTOP : The Biggest Halloween Day Party 🎃 is a Halloween party at Decades in Washington, DC, on Saturday, October 31 from 4 PM to 9 PM. That's on Halloween itself, and it is listed as free to attend. Costumes are part of the fun. Within three days of it, 6 more Halloween events happen around Washington.

Date & Time

Saturday, October 31 · 4 PM – 9 PM

UTC-04:00

Location

Decades | Washington, DC

Halloween takes over Decades for a special daytime party across 3 levels, including the rooftop.
Come dressed in your best costume and experience multiple floors of music, drinks, Halloween vibes, and rooftop energy in the heart of DC.
🏆 $500 Prize for Best Costume 🏢 3 Levels of Partying 🌆 Including the Rooftop 📍 Decades DC 📅 Saturday, October 31 ⏰ 4PM–9PM 🎃 Costumes strongly encouraged
Different levels. Different vibes. One Halloween party.
Early arrival is highly recommended.