Upcoming 1 RSVPs 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.
Back to Austin
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
54
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 Jul 22, 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: Music Lessons with Katrina Cain, 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 1 RSVPs 
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.
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 1 RSVPd 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 1 RSVPd 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 1 RSVPd 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.
Marketplace
489 membersThis group is a convenient destination for residents to discover, buy and sell items in your building. Post items or inquire about items in the discussions.
Happy Hour
238 membersGrabbing happy hours with neighbors at Sienna!
Networking at The Sienna
133 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
107 membersConnect and hang what others on the weekend! Attend Austin events, workouts, yoga, etc!
Hotel Happenings
92 membersA group to discover the upcoming experiences at the Thompson
Dog Pawrents
45 membersDog parents in the building. Let’s get our dogs together to play!
What Are Residents Talking About at Sienna At The Thompson?
Real conversations from verified residents at the Sienna At The Thompson community.
Community Chat
R
Resident
Jun 28, 2026 Hey guys I’m having a little gathering at my place tonight for my birthday, if anyone wants to join just let me know!
👏 3 😊 1
R
Resident
Jun 20, 2026 My wife and I just moved in, I’m a Paramedic, she’s in management as a Nurse. We look forward to meeting everyone!
👏 2
R
Resident
Jun 13, 2026 Hi everyone!
I just moved to Austin from Toronto and am excited to finally be getting settled in Sienna.
A little about me: I run a communication coaching business, spend way too much time thinking about public speaking, and am usually either working, at the gym, exploring a new coffee shop, or walking my dog Caesar.
I’m looking to meet some good people here and build a great circle of friends. I love trying new restaurants, checking out what’s happening around the city, and surrounding myself with people who are ambitious, kind, and genuinely enjoy life.
If you’re new to Austin too (or ju...
❤️ 6 😊 1 👋 1
R
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
R
Resident
Jun 7, 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
R
Resident
May 23, 2026 Looking for facial balancing injector recommendations!
R
Resident
May 22, 2026 I know we have volleyballers in here. But, where are all the pickleballers at? Let's play!
R
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
R
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?
R
Resident
Mar 18, 2026 Does anyone have a little green machine that I can borrow this week please?
R
Resident
Feb 28, 2026 Breakfast and coffee downstairs in the lobby! Katrina Cain too :)
R
Resident
Feb 7, 2026 Hi Sienna neighbors, does anyone have a housecleaner they would recommend? Thanks!
Neighbor Marketplace
R
Resident
Jun 22, 2026 Sofa w/ USB ports, cup holders, and side pockets — $200 O.B.O. — Moving out July 5th
R
Resident
Jun 21, 2026 Tan fabric bench. Roughly 4 ft long, 2 feet deep, 2 ft high. Currently wrapped and in storage $100 OBI
R
Resident
Jun 21, 2026 Watching black lamps with tab shade. Currently in storage $80 OBO
R
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
R
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
R
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
R
Resident
May 8, 2026 friends moving out - pantry items & mirror & christmas decor in 23 fl
trash room
R
Resident
May 6, 2026 Just moved out! There are a few FREE things outside of 2313! Please take them!!
R
Resident
Mar 5, 2026 Hello everyone. I have 2 unopened bags of Javvy French Vanilla Coffee free for anyone who would like them.
R
Resident
Feb 23, 2026 Blush/gold/cream throw pillows. Perfect condition, just changed color palette.
$20 each or all six for $100.
R
Resident
Feb 22, 2026 King double mattress topper. Two layers – one alternative down, the other foam. Always covered with a mattress protector. $50
R
Resident
Feb 7, 2026 two small new trash cans for $15 together
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.
More Communities in Austin, TX
View all properties in Austin, TX →Fair Housing Notice: Cobu shows real community activity without using or displaying any resident demographic information. Individual posts are shown anonymously.