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.
See your price in about a minute — no call needed.
Or call or text +1 (650) 502-5077
Popular birthdays themes
Real Balloon Bay installations — every design is fully customizable to your colors and vision.
Unicorn
Pastel rainbow with iridescent accents
Dinosaur
Green, orange & earthy tones
Mermaid / Under the Sea
Teal, purple & shimmer
Superhero
Bold primary colors
Princess
Blush, gold & crown accents
Space / Galaxy
Navy, silver & star foils
Milestone (30/40/50/60)
Elegant gold & black with number display
Number & Marquee Displays
Giant 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 decorations 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.
Request your free birthday party quote
Tell us your event date, venue, and colors — we'll respond within hours with a quote.
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.”
“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.”
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.
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.
Guides related to birthdays
Practical tips from the Balloon Bay team — then book a custom install when you're ready.
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Read more →Birthdays balloon decorations across the Bay Area
We deliver and set up birthdays balloon décor across the Bay Area. Browse our local city hubs for delivery details, ZIP codes, and FAQs.
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