Balloon decorations

Birthday Balloon Decorations

From first birthdays to milestone celebrations, we create show-stopping balloon arches, garlands, and giant number displays tailored to the guest of honor.

Weekend dates across the Bay Area fill 2–4 weeks out — call +1 (650) 502-5077 for same-week availability, or request a free quote and hear back within 24 hours.

Themes

Popular birthdays themes

Every design is fully customizable to your colors and vision.

UnicornPastel rainbow with iridescent accents
DinosaurGreen, orange & earthy tones
Mermaid / Under the SeaTeal, purple & shimmer
SuperheroBold primary colors
PrincessBlush, gold & crown accents
Space / GalaxyNavy, silver & star foils
Milestone (30/40/50/60)Elegant gold & black with number display
Number & Marquee DisplaysGiant numbers with optional LED lights

For kids' parties we build vibrant themed setups — unicorns, dinosaurs, mermaids, superheroes, and favorite characters. For adult milestones we design elegant gold-and-black arches, marquee numbers, and sophisticated organic garlands.

Every birthday installation includes delivery, on-site setup, and teardown, so the party is ready the moment your guests arrive.

We deliver and install birthday balloon arches, garlands, and backdrops across the Bay Area — including San Jose, Saratoga, Palo Alto, Cupertino, Sunnyvale, and surrounding cities. Every birthday party includes delivery, professional setup, and full teardown. Browse our city pages below for local ZIP codes and pricing guidance.

What's included

  • Free consultation and custom design with exact color matching to your theme
  • Premium balloons — matte, chrome, confetti, and organic blends
  • Delivery across the San Francisco Bay Area service area
  • Professional installation and setup at your venue
  • Full teardown and cleanup after your event
  • Optional add-ons: themed backdrops, neon/LED signs, custom numbers & letters, marquee lights, and fresh florals

What does birthday party balloon décor cost?

Every Balloon Bay installation is custom-quoted to your event, so the figures below are guidance, not fixed prices. As a general range, most setups start around $200 for a simple arch or garland and typically run $400–$800+ for a full installation. Your exact price depends on the size of the design, the balloon types used, and add-ons like backdrops, neon signs, or giant number balloons.

Get a free, custom quote

Reviews

What birthday party clients say

★★★★★

It was absolutely wonderful working with them! The decor looked amazing! They put a lot of effort and care into it! We had our event in a park and they went to the park in person a few days before the event.

Priya T.
March 15, 2026
★★★★★

Team Balloon Bay did an amazing job at bringing my vision to life. They were in constant communication with me about any questions, comments, or concerns that I had. Their pricing was very fair.

Serena O.
November 17, 2025
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Gallery

Recent birthdays installations

Every photo is from a real Balloon Bay event — custom arches, garlands, and backdrops with delivery and professional setup across the Bay Area.

View full gallery
FAQ

Birthdays balloon FAQs

How much does a birthday balloon setup cost?

Birthday balloon setups start around $200 for a basic arch or garland and typically range from $400 to $800+ for a full display with a backdrop, giant numbers, and themed accents. The final price depends on size, balloon types, and add-ons. Request a free quote with your child's age, theme, and venue for exact pricing.

Do you offer giant number and letter balloons?

Yes — custom number and letter displays are one of our most popular birthday add-ons, available in matte, chrome, and other finishes and optionally lit with marquee lights. They're perfect for milestone ages and make a standout photo backdrop alongside an arch or garland.

Can you do both kids' and adult birthday themes?

Absolutely. We design playful character themes for children — unicorns, dinosaurs, superheroes, mermaids — and refined, elegant installations for milestone adult birthdays such as 30th, 40th, and 50th celebrations in gold-and-black or organic palettes.

How far in advance should I book a birthday party?

Book 2–4 weeks ahead for weekend birthdays, which book up fastest. Weekday and same-week requests can often be accommodated — call (650) 502-5077 with your date and we'll confirm availability and timing.

Do you set up and tear down at the party venue?

Yes — delivery, on-site installation, and full teardown are included. We set everything up before guests arrive and return after the party for cleanup, whether you're hosting at home, a restaurant, or a community hall across the Bay Area.

Can I book birthday balloon decorations on short notice?

Weekend birthday partys across the Bay Area typically book 2–4 weeks ahead, but we can often accommodate same-week weekday requests. Call +1 (650) 502-5077 to check your date, or submit our quote form for a response within 24 hours.

Ready to plan your birthday party?

Tell us your event type, date, and theme — we'll respond quickly with a free, custom quote.

Get a free quoteCall +1 (650) 502-5077