Nightmare at 530 👻 | Halloween Day Party brings a costume party to A.i. Warehouse on Saturday, October 31 from 3 PM to 8:30 PM. It falls on Halloween itself, and it is listed as free to attend. Plan a costume; it's that kind of night. Within three days of it, 6 more Halloween events happen around Washington.
Saturday, October 31 · 3 PM – 8:30 PM
UTC-04:00A.i. Warehouse | Washington, DC
A.i. Warehouse, 530 Penn St NE, Washington, United States
JoinTheMVEMNT | MVEMNT.COM
It is on Saturday, October 31, 2026, from 3 PM to 8:30 PM, on Halloween itself.
It takes place at A.i. Warehouse, 530 Penn St NE, Washington, United States.
Yes, it is listed as free to attend. Check the event details in case registration is required.
Yes, costumes are encouraged.
It runs for about 5.5 hours, from 3 PM to 8:30 PM.
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