Mountain View
San Mateo
San Carlos
Custom Balloon Decor
Get an instant balloon quote from Lisa!
It's never too late to order your balloons.
We ❤️ pulling off last minute miracles!
If you need less than a dozen balloons, no need to order ahead of time. Just come on in and we'll get you what you need.
Everything you need to create an extraordinary costume
Our stock is so huge, we couldn’t possibly show all of them to you right here!
Come on into our store or call to see if we have what you're looking for.
Year Round Stock
Don’t wait for Halloween to have a great time dressing up as your favorite character! We are the largest, year-round costume shop in the area.
Great Costume Selections
Superheroes, famous people, animals, fairies, and more. Walk through the isles for inspirations and let us help you bring them to life.
Wigs, Accessories and Makeup
Get the perfect look with wigs, masks, makeup, and props like fake blood, fake teeth, and costume jewelry. The options are endless.
If Diddams doesn't have it, nobody does.
We have everything you need to make your celebration extraordinary.
Mountain View
1952 W El Camino Real
Mountain View, CA 94040
650-965-0138
Sun-Sat: 10AM - 5PM
San Carlos
700 Laurel St
San Carlos, CA 94070
650-802-0600
Sun-Sat: 10AM - 5PM
San Mateo
1940 El Camino Real
San Mateo, CA 94403
650-235-8448
Sun-Sat: 10AM - 5PM
We believe party planning should be fun and easy!
