Costume party checklist and planning guide

A costume party needs more than costumes and decorations. Use this checklist to move from invitations and dietary details to judging, food, music and room setup in the right order. Confirm the guest list early, give people a clear theme and dress code, and check costume accessories before the day itself. On the final setup day, leave enough time for the cloakroom, photo area, buffet tables, lighting and chilled drinks—not just the decorations.

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The plan, step by step

Every task with its own sub-checklist, in the order you'll actually need them.

Preparations

Send invitations
Process registrations
Collect dietary requirements
Finalize visitor list
Share the theme and dress code
Prepare the costume contest
2 people
Arrange the jury for the costume contest
Buy prizes for the competition
Do the shopping
2 people
Collect reusable materials
2 people
Check costumes and accessories
2 people
Assemble the music playlist
Print competition forms
Prepare name badges
Clean the venue
2 people
Set up tables and chairs
3 people
Set up buffet tables
2 people
Hang decorations
3 people
Hang lighting
2 people
Set up the photo area
2 people
Set up the cloakroom
2 people
Lay out costume accessories
Chill drinks
2 people
Prepare snacks
3 people
Set out desserts and fruit
2 people
Set up coffee and tea station
Connect music equipment
2 people
Test music and microphone
2 people
Check toilets
Set up waste stations

Event

Welcome guests
3 people
Register attendance
2 people
Hand out name badges
Explain the competition
Serve snacks
2 people
Refill drinks
2 people
Refill coffee and tea
Restock the buffet
2 people
Operate the music
Guide the photo area
Judge costume contest
3 people
Announce the winners
Collect trash and empty glasses
2 people
Check toilets periodically
See off guests
2 people

Aftercare

Clear away food and drinks
3 people
Wash dishes
2 people
Take down tables and chairs
3 people
Remove decorations
2 people
Clear away equipment
2 people
Sort and take out waste
2 people
Thoroughly clean the venue
3 people
Collect lost and found items
Check and store the materials
2 people
Store leftover food safely
Return costumes and accessories
2 people

What to bring

Grouped the way you'd shop for it, with quantities.

Furniture

Tablesqty 6
Chairsqty 50
Coat racksqty 2
Clothes racksqty 2
Buffet tablesqty 3

Tableware

Glassesqty 70
Wine glassesqty 40
Platesqty 70
Bowlsqty 50
Forksqty 70
Knivesqty 70
Spoonsqty 50
Serving spoonsqty 8

Decorations

Balloonsqty 100
Buntingqty 12
Tableclothsqty 6
Confetti cannonsqty 6
Photo backdrop
Photo propsqty 20
Costume accessoriesqty 30

Equipment

Bluetooth speakerqty 2
Microphone
Extension cordsqty 4
Power stripsqty 4
Coolersqty 3

Lighting

String lightsqty 6
LED lampsqty 8

Kitchen

Cutting boardsqty 3
Chef's knivesqty 3
Serving plattersqty 10
Serving traysqty 6
Coffee maker
Kettlesqty 2
Thermos flasksqty 3

Cleaning

Waste binsqty 6
Bucketsqty 2
Mopsqty 2

Catering

Costumes contest prizesqty 3
Groceries

Tips

Send invitations early enough to collect registrations and dietary requirements before you finalize the guest list. Share the theme and dress code in the invitation so guests do not have to guess what counts as a costume.
Set the costume contest rules before the party, including judging categories, the jury and prizes. Print the competition forms and prepare a simple way to record scores before guests arrive.
Check costumes and accessories ahead of time, especially shared items such as hats, masks and props. Lay out spare costume accessories where guests can find them without blocking the cloakroom.
Plan the room in separate zones: a cloakroom, buffet area, photo area and space for the contest. Set up tables, chairs and coat or clothes racks before hanging decorations, then test the speaker, microphone, extension cords and lighting.
Chill drinks several hours before serving and prepare snacks, desserts and fruit close to the start time. Put glasses, plates, bowls and serving utensils at the buffet so guests are not searching through the kitchen during the first hour.

Frequently asked questions

How far in advance should I send costume party invitations?: Send invitations about 3 to 4 weeks before the party. Set an RSVP deadline 7 to 10 days before the event so you can collect dietary requirements, finalize the visitor list and plan food and seating.
How much time do I need to set up a costume party?: Allow 3 to 4 hours for full setup, including tables, chairs, buffet tables, decorations, lighting, the photo area and cloakroom. Test the speaker and microphone at least 30 minutes before guests arrive.
How many prizes should I prepare for a costume contest?: Prepare at least 3 prizes for a small or medium party, such as one for the overall costume and two category winners. Decide the categories and jury at least 1 week in advance so the scoring forms are ready.
When should I chill drinks for a costume party?: Chill drinks 4 to 6 hours before serving, or use coolers with ice if refrigerator space is limited. Keep a separate supply available for refilling during the party instead of opening every bottle at once.

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