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Halloween Costume Parties in Washington, D.C. (2026)
These Washington, D.C. parties put the costume front and center — several run contests on the night. Here are 8 worth knowing about.
1. Halloween on 14th Street
A Halloween-week fixture on the Washington, D.C. calendar — doors open October 31 at 920 14th St NW.
Saturday, October 31 · 920 14th St NW — See details & tickets →
2. Halloween Costume Party
A Halloween-week fixture on the Washington, D.C. calendar — doors open October 31 at 1931 Grand Wy Blvd.
Saturday, October 31 · 1931 Grand Wy Blvd — See details & tickets →
3. (18+)JOKER HALLOWEEN DANCE PARTY - Fall 2026 - Costumes
The biggest college halloween party.
Thursday, October 29 · 1223 Connecticut Ave NW 3rd floor — See details & tickets →
4. Haunted House (Nightmare on Dupont)
DC's Official Halloween Costume Party $1000 Costume Contest.
Saturday, October 31 · 1214 18th St NW — See details & tickets →
5. Nightmare at 530 👻 | Halloween Day Party
Best costume wins $500 cash!
Saturday, October 31 · 530 Penn St NE — See details & tickets →
6. NIGHTMARE BEFORE HALLOWEEN
Halloween costume party with music from all eras.
Friday, October 30 · 2325 18th St NW — See details & tickets →
7. FREAKOWEEN '26: THE BIGGEST HALLOWEEN COSTUME PARTY
Saturday, October 31, T St NW — come in costume, leave with a story.
Saturday, October 31 · T St NW — See details & tickets →
8. One Pulse: Hallowhine 🎃 Dancehall 🇯🇲 • Soca 🇹🇹 • Afro-Heat 🌍
Costumes encouraged. Come dressed to impress or come to Spook. Expect a night of Dancehall , Soca and Afro-Heat , Caribbean energy, good people and Halloween vibes all night.
Friday, October 30 · 1201 K St NW — See details & tickets →
Every Halloween event, one place
New Halloween events go live on Posh every day — Washington, D.C. and every other city. The full, always-current lineup lives on the Halloween collection.
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