Turn your party into a memory that lasts a lifetime

Parties are supposed to be fun...

so why is planning one such a headache?

If you're like most people, planning a party can be overwhelming.

You want to make the event special without breaking the bank

Overall, planning this next occasion feels like a chore
You're not sure where to begin with the process

We believe the host deserves

to enjoy the party too

And that means giving you whatever you need to relax and have fun -

whether that's custom balloon decor, supplies or planning.


Your Vision

Already have a Pinterest-worthy idea? Excellent! At a loss for inspiration? No problem. Either way, we'll help you bring the perfect party to life.

Leave the

Details to Us

After over 30 years of celebrations, we've seen it all. Let us worry about the little things, so you can focus on the important stuff (like partying).

Be the Talk

of the Town

Nothing creates lasting memories quite like a well-planned event. Throw a party for the ages, and earn your reputation as the host with the most.

What can we help you with today?

Party Supplies
Custom Balloons
Toys & Gifts

Party planning can feel like a burden...

but it doesn't have to

Entertaining is an art - when done well, the right party creates meaningful memories for everyone involved. But it's hard to be a confident host when you're too busy worrying about how the party will turn out.

At Diddams, we understand how challenging it is to bring all the pieces of a party together. But we also know how impactful it can be when those pieces come together just right. That's why we've spent more than three decades helping customers like you create celebrations that make people say, "WOW!"

Here's how we do it:

  1. We listen to your ideas to understand your vision
  2. We contribute some of our own ideas to help bring it to life
  3. Together, we'll create an event people will remember

Years in the party industry


Successful parties supported


Repeat balloon decór customers

Order your balloons today and they'll be ready tomorrow!

For us, it's all about relationships

Our culture is based on active listening, making people feel special and relationships that last. Most of my employees have been with me for many years — which means when you come into our store, you'll recognize faces, build friendships, and feel taken care of.

Our superpower is making your party a success. We go above and beyond with free guidance on all the details — plus, you'll get access to our knowledge based of the best venues, caterers, table rentals, bouncy-house services, and more.

When it comes to Balloon Decor Design, there's no vision we can't bring to life. We mean it when we say, "You dream it, we'll do it!".


Let Lisa create a balloon masterpiece for you!

She'll guide you through her streamlined process so you don't have to lift a finger.

1 Schedule a Call

We'll carefully listen to your vision. Then we'll provide guidance, support and a clear plan with pricing.

2 Implement the Plan

We'll manage all the details and bring everything to your event ahead of time so you don't have to worry about a darn thing.

3 Enjoy Your Celebration

You can greet your guests with a big warm hug and be known as the one who always throws great parties.

You can always call us directly now at your local store,

but for undivided attention with our experts, it's best to schedule a call.

Steve Diddams Guarantees

You'll get more than what you pay for

We'll bring your vision to life, regardless of your budget

You'll be WOWed by our custom balloon decor

We'll be on time and on budget

Our balloons will sometimes pop

(and we'll cheerfully replace them)

Get invited to our ridiculously

generous discount program!

We love to shower our customers with FREE stuff.

You'll receive $200 with just 1000 points and earn 1 point for every $1 you spend

Show your loved ones how much you care with a meaningful celebration

Too many people end up stressing out about their party, simply because they didn't have a partner who could help them plan AND execute all the moving parts.

You love your people too much to let your celebration be lackluster.

Together, we'll create an event that will make them feel special - while also helping you feel confident and relaxed throughout the process.


3 Easy Ways to Make your Celebration Memorable on Any Budget

Learn how to:

  • Get organized
  • Plan with ease
  • Enjoy your own party

We believe party planning should be fun and easy!

We have everything you need to make your celebration extraordinary.

Mountain View

1952 W El Camino Real

Mountain View, CA 94040


Sun-Sat: 10AM - 5PM

San Carlos

700 Laurel St

San Carlos, CA 94070


Sun-Sat: 10AM - 5PM

San Mateo

1940 El Camino Real

San Mateo, CA 94403


Sun-Sat: 10AM - 5PM

Mountain View


San Mateo


San Carlos


Custom Balloon Decor