Upcoming Sienna Fitness Classes
All equipment will be provided on the 3rd floor group fitness room. Please express interest - it helps us plan better! Plus, you'll get reminders.
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501 Brazos Street, Austin
Sienna At The Thompson — Community Life in Austin, Texas
501 Brazos Street, Austin, TX, 78701
Visit Property Website Cobu Community Score
63
The Cobu Community Score is a 0–100 score that reflects how actively residents
participate in their apartment community, based on verified activity inside the
Cobu platform.
out of 100 Updated Aug 5, 2026 What's It Like to Live at Sienna At The Thompson?
Sienna At The Thompson is one of Austin's most active resident communities, with 63% of Cobu users regularly engaging through weekly events, 11 interest groups, chat, and a neighbor marketplace.
Located at 501 Brazos Street in Austin, residents connect through interest groups such as Happy Hour, Networking at The Sienna, and Weekend Plans, plus a vibrant community chat.
The community hosts an average of 5 events per month, here are a few recent examples: Sienna Fitness Classes, Music Lessons with Katrina Cain!, and Music Lessons with Katrina Cain!.
What Events Does Sienna At The Thompson Host?
Sienna At The Thompson hosts 5 community events on average every month. Here's what's coming up and what recently happened.
Upcoming 
Upcoming Music Lessons with Katrina Cain!
Please join Katrina Cain for Voice, Piano, Guitar, songwriting, and music theory! Please express interest - it helps us plan better! Plus, you'll get reminders.
Upcoming Sienna Fitness Classes
All equipment will be provided on the 3rd floor group fitness room. Please express interest - it helps us plan better! Plus, you'll get reminders.
Recent Sienna Fitness Classes
All equipment will be provided on the 3rd floor group fitness room. Please express interest - it helps us plan better! Plus, you'll get reminders.
Recent Music Lessons with Katrina Cain!
Please join Katrina Cain for Voice, Piano, Guitar, songwriting, and music theory! Please express interest - it helps us plan better! Plus, you'll get reminders.
Recent Music Lessons with Katrina Cain!
Please join Katrina Cain for Voice, Piano, Guitar, songwriting, and music theory! Please express interest - it helps us plan better! Plus, you'll get reminders.
What Groups and Clubs Are at Sienna At The Thompson?
Groups are open to all residents. Sienna At The Thompson residents have formed 11 active interest-based groups. Here are the most popular.
Happy Hour
138 membersGrabbing happy hours with neighbors at Sienna!
Networking at The Sienna
91 membersFor employees and employers at The Sienna who may be looking to hire for people, or people looking for jobs. A place to network, it’s a tough market out there let’s help each other!
Weekend Plans
81 membersConnect and hang what others on the weekend! Attend Austin events, workouts, yoga, etc!
Hotel Happenings
74 membersA group to discover the upcoming experiences at the Thompson
Dog Pawrents
30 membersDog parents in the building. Let’s get our dogs together to play!
Gamers
27 membersLocal Gamers who want to be social and occasionally come out of their cave or queue up for some games!
What Are Residents Talking About at Sienna At The Thompson?
Real conversations from verified residents at the Sienna At The Thompson community.
Community Chat
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Resident
Jun 12, 2026 Hey everyone, I'm heading to the Austin Monthly Burger Bash tomorrow. Is anyone else planning on going?
Here’s the link if you want to check it out: https://share.google/p0eH8QUjFK8FIuVyE
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Resident
Jun 12, 2026 Hi hi! Just moved to atx recently by way of North Carolina. Graduated a few months ago and relocated for a job opportunity! Looking to meet new folks that love music, exploring and having fun as much as I do!
👏 1 ❤️ 1
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Resident
Jun 6, 2026 Moved to Austin and into Sienna recently from NJ. On a mission to find both great pizza be bbq here that meet the expectations of my friends and family. I like to run early early in the morning before the sun is up, trying to beat the heat here.
👏 2
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Resident
May 22, 2026 Looking for facial balancing injector recommendations!
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Resident
May 21, 2026 I know we have volleyballers in here. But, where are all the pickleballers at? Let's play!
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Resident
May 18, 2026 Hey neighbors! Anyone down to play volleyball? We're looking for players for Tuesday nights at Aussie's Bar starting in June. Hit me up if you can play!
👍 1
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Resident
Mar 25, 2026 A friend wants to move from Italy/UAE to Austin. Works in Fashion & Lifestyle. About 200k comp per year. Anyone know a good headhunter who can help her find a job?
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Resident
Mar 18, 2026 Does anyone have a little green machine that I can borrow this week please?
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Resident
Feb 28, 2026 Breakfast and coffee downstairs in the lobby! Katrina Cain too :)
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Resident
Feb 7, 2026 Hi Sienna neighbors, does anyone have a housecleaner they would recommend? Thanks!
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Resident
Jan 25, 2026 Does anyone have white rice I can buy off you? My pup has an upset stomach and I am supposed to cook her chicken and rice, but every place is closed.
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Resident
Jan 25, 2026 In need of a pan for cornbread. If anyone has a small pan that I can borrow, please let me know.
I did not ice day prep appropriately.
Neighbor Marketplace
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Resident
Jun 22, 2026 Sofa w/ USB ports, cup holders, and side pockets — $200 O.B.O. — Moving out July 5th
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Resident
Jun 21, 2026 Tan fabric bench. Roughly 4 ft long, 2 feet deep, 2 ft high. Currently wrapped and in storage $100 OBI
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Resident
Jun 21, 2026 Watching black lamps with tab shade. Currently in storage $80 OBO
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Resident
Jun 9, 2026 Cleaner! Hello everyone my cleaner is looking to bring on more clients in the building. She charges $100 for a one bedroom or studio. $125 for a 2 bedroom. I typically get my place cleaned once per week. She does a good job!
Let me know if you’re interested!
👏 1
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Resident
Jun 6, 2026 FREE
1 desk (small and it folds flat easily)
1 queen mattress (with linens and pillows)
Some dishes and silverware
Some towels
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Resident
May 9, 2026 Perfect condition - king size Brooklyn Bedding Aurora Luxe Cooling pillow top mattress. Has always been covered with a mattress protector, no smoking/no pets, slept on only half the year.
Excellent cooling technology for hot Austin nights.
$400
👍 1
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Resident
May 8, 2026 friends moving out - pantry items & mirror & christmas decor in 23 fl
trash room
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Resident
May 6, 2026 Just moved out! There are a few FREE things outside of 2313! Please take them!!
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Resident
Mar 5, 2026 Hello everyone. I have 2 unopened bags of Javvy French Vanilla Coffee free for anyone who would like them.
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Resident
Feb 22, 2026 Blush/gold/cream throw pillows. Perfect condition, just changed color palette.
$20 each or all six for $100.
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Resident
Feb 21, 2026 King double mattress topper. Two layers – one alternative down, the other foam. Always covered with a mattress protector. $50
Community activity shown here reflects resident participation inside the Cobu platform and is intended as additional context.
Visit Property WebsitePricing and availability are managed by the property. You'll be directed to their official website.
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