Cosmo's Pizza

Cosmo's Pizza The Best Homemade, Hand-Tossed Pizza since 2001. Fresh Local Ingredients. Colorado Proud Business.
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The ultimate balance. The game-changer. The ranch you didn’t know you needed.APRIL FOOLS! 🤡Of course it’s still spicy. W...
04/01/2026

The ultimate balance. The game-changer. The ranch you didn’t know you needed.

APRIL FOOLS! 🤡

Of course it’s still spicy. We just swapped the labels for a second to see if you were paying attention. Still the original hot stuff!!

But real talk... would you actually try it? 👇

Mood: not sharing 🍕🐾
03/26/2026

Mood: not sharing 🍕🐾

Peak dining experience 🏔️ 🍕
03/05/2026

Peak dining experience 🏔️ 🍕

Roses are red,Violets are blue,Nothing says “I love you”Like pizza made for two. ❤️🍕Happy Valentine’s Day from your favo...
02/14/2026

Roses are red,
Violets are blue,
Nothing says “I love you”
Like pizza made for two. ❤️🍕

Happy Valentine’s Day from your favorite slice. Tag your pizza date below. 💘🔥

02/11/2026

Huge thanks to for stopping by Cosmo’s and putting us “On the Hunt” 👀🔥 We’re so grateful for the love and the amazing review! 🍕🍕

🍕✨ WE HAVE A WINNER! ✨🍕Huge shoutout to .givan & his girlfriend for taking home the crown in our Cosmo’s Pizza photo con...
02/10/2026

🍕✨ WE HAVE A WINNER! ✨🍕

Huge shoutout to .givan & his girlfriend for taking home the crown in our Cosmo’s Pizza photo contest 🏆🔥

Thank you to everyone who entered, tagged friends, and showed Cosmo’s so much love! We seriously had the hardest time choosing. 💫

Winner, check your DMs for your Cosmo’s Pizza gift card + Spicy Ranch goodies 🍕🌶️
More fun coming soon… stay hungry 👀🚀

HOW TO ENTER:1️⃣ DM US your best Cosmo’s photo (pizza, ranch, or both!). 📩2️⃣ TAG A FRIEND in the comments who is always...
01/29/2026

HOW TO ENTER:
1️⃣ DM US your best Cosmo’s photo (pizza, ranch, or both!). 📩
2️⃣ TAG A FRIEND in the comments who is always down for a slice.

THE RULES:
• By DMing us your photo, you give us permission to share your masterpiece on our feed/stories!
• We will pick the top 3 photos and let YOU vote for the winner on our Stories.
• Winner will be announced in one week! ⏰

Show us what you’ve got! Let’s see those cheese pulls and ranch dips. 🛸✨

THE PRIZE:
One lucky winner will score a Cosmo’s Gift Card + (if you are local) a jar of our legendary Spicy Ranch! 🍕🌶️

12/09/2025

The best slice in CO!!! 🍕🏔️

coloradoeats

Peak season for spicy ranch. 🏔️🍕❄️
12/02/2025

Peak season for spicy ranch. 🏔️🍕❄️

We’re not saying your costume has to be pizza-themed… but it wouldn’t hurt 😏🍕Stop by in costume, snap a pic, tag , and y...
10/31/2025

We’re not saying your costume has to be pizza-themed… but it wouldn’t hurt 😏🍕
Stop by in costume, snap a pic, tag , and you might just score a gift card + some merch.
Let’s see the creativity, pizza people 🎃🔥

Recycling has never looked so good! 🦖♻️Shoutout to our former team member who transformed our pizza boxes into these pre...
09/24/2025

Recycling has never looked so good! 🦖♻️
Shoutout to our former team member who transformed our pizza boxes into these prehistoric masterpieces 🦕🍕

Address

659 30th Street
Boulder, CO
80303

Opening Hours

Monday 11am - 12am
Tuesday 11am - 12am
Wednesday 11am - 12am
Thursday 11am - 12am
Friday 11am - 1am
Saturday 11am - 1am
Sunday 11am - 12am

Telephone

+13034473278

Website

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