Sigma Pi Fraternity at Cal State Fullerton

Sigma Pi Fraternity at Cal State Fullerton Sigma Pi Fraternity at CSUF is an elite men's fraternity. Brotherhood, scholarship, and excellence are our core values.

The chance to start your own fraternity and become a Founding Father is a once in a lifetime opportunity. Founded on scholarship, leadership and service, by starting your own fraternity you will have the opportunity to become a FOUNDING FATHER and have an immediate impact! We are recruiting scholars, campus leaders, athletes and gentlemen to represent Sigma Pi proudly. This is your chance to organ

ize and lead a group of people, and set the standards for those to come. As a founding member of the organization you will be able to make the decisions on everything from setting up social events, to developing budgets and establishing what Sigma Pi is and does on your campus!

Congratulations to our graduating brothers 🎓Thank you for the leadership, memories, and brotherhood you’ve brought to th...
05/19/2026

Congratulations to our graduating brothers 🎓

Thank you for the leadership, memories, and brotherhood you’ve brought to this chapter over the years. Your impact on Sigma Pi will always be remembered, and we’re excited to see what’s next for each of you.

Wishing you nothing but success moving forward. Roll Pi 💜

Make the right decision.Rush Chairmen:Kenneth Bevens .bevans Kai Nguyen Lucas Ruiz
05/03/2026

Make the right decision.

Rush Chairmen:
Kenneth Bevens .bevans
Kai Nguyen
Lucas Ruiz

Spring ’26 IM Champions 🏆🦉After a hard-fought 3–2 victory in extra time, our boys got it done once again and were crowne...
04/30/2026

Spring ’26 IM Champions 🏆🦉

After a hard-fought 3–2 victory in extra time, our boys got it done once again and were crowned IM champs for the 3rd time in the last 4 semesters. Proud of the boys for showing out and finishing the job.

Happy Earth Day from the guys of Sigma Pi. 🌎Around here we appreciate earth and what it has to offer. Here are some of o...
04/22/2026

Happy Earth Day from the guys of Sigma Pi. 🌎
Around here we appreciate earth and what it has to offer. Here are some of our guys being dudes in nature

And there it is, Spring Pref ‘26 in the books. Super fun night all around with the guys firing on all cylinders . Shouto...
04/17/2026

And there it is, Spring Pref ‘26 in the books. Super fun night all around with the guys firing on all cylinders . Shoutout and for setting up this whole night making it all come together. With that being said here is a glimpse into our night.

As we wrap up Spreak ‘26, here are a couple scenes of what the boys of Sigma Pi have been up to this past semester inclu...
04/05/2026

As we wrap up Spreak ‘26, here are a couple scenes of what the boys of Sigma Pi have been up to this past semester including this past week.

Engines are fired and the guys are dialed for the last couple of months of the semester.

Happy Pi Day from the brothers of Sigma Pi.A day that represents more than numbers, it’s about the pursuit of excellence...
03/15/2026

Happy Pi Day from the brothers of Sigma Pi.
A day that represents more than numbers, it’s about the pursuit of excellence, growth, and the brotherhood that pushes us to be better every day. Here’s to the memories we’ve made and the legacy we continue to build.

DESTROY LONELYFIRST EVER 18+ ORANGE COUNTY SPECIAL APPEARANCE📍 Incahoots Nightclub — Fullerton📅 Thursday, April 23⏰ 9PM ...
03/15/2026

DESTROY LONELY
FIRST EVER 18+ ORANGE COUNTY SPECIAL APPEARANCE

📍 Incahoots Nightclub — Fullerton
📅 Thursday, April 23
⏰ 9PM – 2AM
🔞 18+

Special appearance by Destroy Lonely
    •    celebrity DJs & special guests

⚠️ Limited capacity — expected to sell out

🎟 Tickets

GA starting at $25 (very limited)
Priority Entry starting at $160
VIP Red Carpet starting at $400
Ultra VIP Celebrity Access $900

⚠️ Prices increase as tiers sell out

🏆 No guestlist unless reached out to
Limited promotional guest spots for models / influencers
DM — only 10 spots remaining

🎟 Tickets available now
MyPlots.com

ROLL PI 💜

Sigma Pi’s Annual Car Wash is BACK for Spring!😉Come by this Sunday, March 15th at MSG from 12-3 PM for the a fresh car w...
03/13/2026

Sigma Pi’s Annual Car Wash is BACK for Spring!😉

Come by this Sunday, March 15th at MSG from 12-3 PM for the a fresh car wash. Every car gets a free air freshener + beverages on us! Don’t miss it

This past weekend we partnered with Orange County United to give back to our local community and support foster youth.Ou...
02/01/2026

This past weekend we partnered with Orange County United to give back to our local community and support foster youth.

Our brothers came together to build desks, assist with cleanup, and take on whatever tasks were needed at the Gilbert Community Center. In just one day we completed 100+ hours of community service, setting the standard for showing up and giving back.

Huge thank you to .bevans and for setting up this philanthropy event, and to Orange County United for the opportunity to be part of something impactful. We’re proud to continue building relationships that make a lasting difference.

Address

800 N State College Boulevard
Fullerton, CA
92831

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+16159212300

Website

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