Sienna at the Thompson is one of Downtown Austin's most active resident communities, with 64% of Cobu users regularly engaging through weekly events, 11 interest groups, chat, and a neighbor marketplace.
Located at 501 Brazos Street in Austin's Downtown Austin neighborhood, 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.
Sienna at the Thompson hosts 5 community events on average every month. Here's what's coming up and what recently happened.
Upcoming 18 RSVPs Hi Sienna Residents, Looking for a fun way to spend your evening? Join your neighbors for a relaxing night of creativity, conversation, and a little something to take home. We can't wait to see you there! Please express interest - it helps us plan better! Plus, you'll get reminders.
Recent 1 RSVPd 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 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 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.
Groups are open to all residents. Sienna at the Thompson residents have formed 11 active interest-based groups. Here are the most popular.
Grabbing happy hours with neighbors at Sienna!
For 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!
Connect and hang what others on the weekend! Attend Austin events, workouts, yoga, etc!
A group to discover the upcoming experiences at the Thompson
Dog parents in the building. Let’s get our dogs together to play!
Others with cats and kitties who do funny things or need a feeding or petting!
Real conversations from verified residents at the Sienna at the Thompson community.
Resident-recommended spots in Downtown Austin — the places people who actually live here go to.
Frequently asked questions about community life at Sienna at the Thompson.
Sienna at The Thompson has a warm, social resident community. On the property's community platform, called Cobu, the main building group has 465 members, and Building Chat and the Marketplace stay busy week to week. Neighbors welcome newcomers from Arizona, Toronto, and beyond, swap local tips, and organize pickup games and get-togethers. When one resident's pup had an upset stomach and stores were closed, several neighbors offered white rice and pumpkin within minutes. That kind of quick, everyday generosity is what makes the building feel connected rather than anonymous.
Sienna at The Thompson hosts a steady, lively calendar, with 315 events tracked on the community platform. Recent standouts by RSVPs include the Sienna Pool Party with 61 RSVPs, the annual pool party with 55, the Sienna Holiday Party with 50, and Royale After Dark New Years Eve at the Royale Room with 45. Others include Oysters and Bubbles with 39 RSVPs, Candle Making with 34, and Late Riser's Breakfast Tacos with 32. Between poolside happy hours and hotel events, residents have regular, low-pressure ways to meet neighbors year round.
Yes. Residents at Sienna help and rely on one another all the time. When a neighbor headed out of town, others offered to drop by daily to feed and check on their cat. When someone needed to mount a TV, neighbors shared the exact anchors and hardware that work in a high-rise. Residents lend carpet cleaners, cornbread pans, and cleaning machines, hand off free furniture on move-out day, and welcome newcomers with a quick hello. These frequent, small exchanges on the community platform show neighbors who genuinely look out for each other.
Residents at Sienna have a wide range of interest groups on the community platform. Happy Hour is the largest with 239 members, followed by Networking at The Sienna with 133 and Weekend Plans with 107. Hotel Happenings has 93 members, reflecting Sienna's spot within the Thompson hotel. Pet lovers keep Dog Pawrents at 45 members and Cat Group at 39, while Gamers has 33, Parents at Sienna has 12, and Artists club has 6. The range gives residents easy, in-building ways to stay social, active, and creative.
Yes. Sienna has an active pet-owner community. Dog Pawrents has 45 members and Cat Group has 39, and residents constantly help each other on the community platform. Neighbors organize dog-run meetups, offer to feed and check on cats while owners travel, and pass along free pet gear like calming collars and an unused dog keychain. When one resident's pup had an upset stomach, neighbors quickly offered rice and pumpkin. New pet owners have an easy way to find playmates, sitters, and advice right in the building.
Residents recommend a mix of nearby food and go-to spots. For barbecue, neighbors point to Interstellar, Leroy and Lewis, and La Barbecue. For pizza, they suggest Backspace and Pedroso's. When someone new asks for a barber, residents recommend Finley's, and for a night out they mention East 6th and playing volleyball at Aussie's Bar. Because these come straight from resident conversations on the community platform, they reflect where neighbors actually eat, get outside, and spend their time in downtown Austin.
Stories and updates from life inside Sienna at the Thompson.
When a resident's pup had an upset stomach late at night and every store was closed, neighbors offered white rice and pumpkin within minutes. Sienna sits in the heart of downtown Austin at 501 Brazos Street, tucked within the Thompson hotel and steps from East 6th and the city's best food. Inside, our community runs on a resident platform called Cobu, where more than 465 residents post, plan events, welcome newcomers, and lend a hand. Scroll through a typical week and you will see new residents introducing themselves from Arizona and Toronto, neighbors organizing poolside happy hours and poker nights, dog owners meeting up at the dog run, and plenty of local restaurant tips. Tucked inside the Thompson hotel, it runs more like a close-knit block than a downtown high-rise.
Residents jump in for each other. When someone struggled to mount a TV, neighbors shared the exact anchors that hold in a high-rise wall. When one resident's pup had an upset stomach late at night and every store was closed, neighbors jumped in within minutes, offering white rice and pumpkin until the dog was in good shape again. When another resident was struggling to mount a TV in a high-rise wall, neighbors shared the exact toggle anchors that work with steel studs, and one even offered to hand over their own. Residents lend carpet cleaners, cornbread pans, and cleaning machines, and someone is almost always willing to help carry a heavy item into the elevator.
Move-out season shows the same warmth. Rather than tossing things, residents post free furniture, plants, robot vacuums, and kitchen gear for neighbors to claim, usually for easy same-building pickup. On any given week you will see a free IKEA lamp left in a trash room for someone who needs it, calming collars given away by dog owners, and a running string of "I'll take it" replies. These are real examples of how people here treat their neighbors, and it is one of the most active corners of our community platform.
Sienna also knows how to have fun with the everyday. When winter weather rolled in, one resident set up a casual poker game with a low buy-in and chips already covered, and a dozen neighbors chimed in to join. Others rallied a board game night on the 15th floor lounge, complete with Scrabble, chess, and Codenames. That kind of spontaneous, playful back-and-forth is a good tell that people actually read and enjoy the community feed.
Our events calendar is one of the easiest ways to meet people at Sienna, and we keep it varied. Across the year, residents have RSVPed to 315 events on the community platform. The Sienna Pool Party leads the way with 61 RSVPs, followed closely by the annual pool party with 55 and the Sienna Holiday Party with 50. Because Sienna sits within the Thompson hotel, some of the most popular gatherings tie into the hotel scene, like Royale After Dark New Years Eve at the Royale Room with 45 RSVPs and a New Happy Hour at the Royale Room with 32.
The calendar also leans into smaller, comfortable formats. Oysters and Bubbles drew 39 RSVPs, Sunset Happy Hour Pool Party and Resident Happy Hour at The Diner Bar each drew 35, Candle Making pulled 34, and Late Riser's Breakfast Tacos and a Chick-fil-A Breakfast brought in 32 and 31. There was even a SXSW Watch Party with 30 RSVPs and a Resident Soiree with 30. Many of these events happen right in our shared amenity spaces, and if you want to see the pool deck, lounges, and other gathering spots that host these get-togethers, our amenities page has the full list.
Day to day, the conversation at Sienna tends to circle around food, pets, and settling into Austin. Restaurant talk is constant. New arrivals ask where to find the best barbecue, and neighbors point them to Interstellar, Leroy and Lewis, and La Barbecue. Pizza lovers get sent to Backspace and Pedroso's. When someone new asked for a men's haircut recommendation, neighbors weighed in with their favorite barbers within minutes.
Pets are the other steady theme. Residents organize dog-run meetups, ask neighbors to check on their cats while they travel, and pass along gear they no longer need. When one resident asked if anyone could feed their cat over a long weekend, multiple neighbors offered right away. New pet owners quickly learn they are not on their own here. Neighbors also help each other with the practical side of city living, from where to charge an EV to which house cleaner or handyman they trust.
Shared interests are organized into active groups on our community platform. Happy Hour is the biggest with 239 members, which fits how much this community loves a good gathering. Networking at The Sienna follows with 133 members, a nod to the many professionals who live here, and Weekend Plans has 107. Hotel Happenings has 93 members, reflecting how connected residents are to the Thompson hotel scene right downstairs.
Beyond those, pet lovers keep Dog Pawrents at 45 members and Cat Group at 39. Gamers has 33 members and stays genuinely active, with residents organizing poker and board game nights in the common areas. Parents at Sienna has 12 members for families coordinating playdates, and there is even a small Artists club with 6. The range says a lot about who lives here: people who want easy, in-building ways to stay social, active, and creative without leaving home. For a new resident, joining a group like Happy Hour or Dog Pawrents is one of the fastest ways to meet neighbors.
Living at Sienna puts you in the middle of downtown Austin, and residents talk about the neighborhood often. For barbecue, the most mentioned spots are Interstellar, Leroy and Lewis, and La Barbecue. For pizza, neighbors recommend Backspace for something close by and Pedroso's for a favorite. When newcomers ask for a barber, Finley's comes up as a trusted pick. For getting out, residents point to East 6th for a night out and organize weekly volleyball at Aussie's Bar. These are not generic tips, they are the places neighbors actually return to and pass along to people just moving in.
If you value a community where people know each other, Sienna delivers. The community platform shows a steady rhythm of events, a genuinely active Marketplace, and a long list of interest groups that residents actually use. Just as important, it shows the small stuff: neighbors offering rice for a sick pup, checking on each other's cats, sharing the right hardware for a tricky wall, and welcoming newcomers from all over the country. It is a downtown high-rise inside a hotel that still manages to feel personal, and the day-to-day evidence backs that up.
See it for yourself with a visit to Sienna. Take a look at the layouts on our floor plans page to find the home that fits you, and when you are ready, schedule a tour so we can show you the spaces where all of this community life happens.