Upcoming Tandem Veterinary Clinic
Tandem Vet will be onsite providing convenient pet care services including wellness exams, vaccinations, and more. See community flyers and check email for scheduling details.
Back to Chelsea
100 Heard St, Chelsea
One North of Boston — Community Life in Chelsea, Massachusetts
100 Heard St, Chelsea, MA, 2150
Visit Property Website Cobu Community Score
58
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 One North of Boston?
One North of Boston is one of Chelsea's most active resident communities, with 72% of Cobu users regularly engaging through weekly events, 18 interest groups, chat, and a neighbor marketplace.
Located at 100 Heard St in Chelsea, residents connect through interest groups such as Parking Requests, Fitness Friends, and Dog Group, plus a vibrant community chat.
The community hosts an average of 9 events per month, here are a few recent examples: S’mores Night, Yoga with F3 Wellness, and HIIT with Coach Alex.
What Events Does One North of Boston Host?
One North of Boston hosts 9 community events on average every month. Here's what's coming up and what recently happened.
Upcoming 
Upcoming 39 RSVPs Boozy Lemonade Stand
Raise a glass to National Lemon Day! Stop by our Boozy Lemonade Stand for a refreshing glass of lemonade with a spirited twist. Residents 21+ are invited to enjoy this fun summer happy hour. Please express interest - it helps us plan better! Plus, you'll get reminders.
Upcoming 25 RSVPs ONB Bingo Night
It’s time for Bingo! Spend the evening enjoying friendly competition, connecting with neighbors, and playing for exciting prizes.
Recent 26 RSVPd S’mores Night
Nothing says summer like s’mores by the fire! Gather around the ONBII firepit for an evening of toasted marshmallows, gooey treats, and great company. *While supplies last Please express interest - it helps us plan better! Plus, you'll get reminders.
Recent 6 RSVPd Yoga with F3 Wellness
Beat the summer hustle with a calming yoga class that will leave you feeling refreshed, restored, and ready to enjoy the season.
Recent 3 RSVPd HIIT with Coach Alex
Recharge your routine with Coach Alex! This all-level HIIT workout is a great way to stay fit, energized, and motivated.
What Groups and Clubs Are at One North of Boston?
Groups are open to all residents. One North of Boston residents have formed 18 active interest-based groups. Here are the most popular.
Marketplace
263 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.
Parking Requests
91 membersLooking for an extra parking spot? Ask your fellow neighbors for help in this group!
Fitness Friends
79 membersFeel the burn! In this group, we’ll get fit with friends, in whatever form that takes based on the interests and abilities of the group. You can expect us to get together regularly to do things like hiking, walking, going for a run, playing sports, hitting the gym, and pulling out our yoga mats. What to bring? This will vary by gathering but always be sure to wear appropriate clothing for the activity and bring any needed accessories like running shoes, soccer balls, or yoga mats. Be sure to check the gathering’s description for more details or ask in the discussion section. Have an idea for our next workout - schedule a gathering!
Dog Group
60 membersHere, doggy! In this group, we and our canine companions will get together regularly to do fun activities like walks in the neighborhood, trips to the dog park, and puppy play dates. What to bring? This will vary by gathering so always be sure to check the gathering's description for details or ask in the discussion section. When in doubt, don't forget your leash, ball, & some poop bags! Have an idea for our next puppy play date? Schedule a gathering!
Pickleball
45 membersGroup of people who would like to play pickleball in a regular basis.
Residents in their 20s
44 membersA group for residents to meet people and make friends their same age in a new city.
What Are Residents Talking About at One North of Boston?
Real conversations from verified residents at the One North of Boston community.
Community Chat
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Resident
Jan 10, 2026 If anyone needs free moving boxes I have some.
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Resident
Jan 8, 2026 Hey everyone! Not sure if this exists, but is there a club for board/card games here? If not, would anyone be interested in helping start one. I would love to play poker and other games more regularly. If you are interested please dm me!
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Resident
Jan 6, 2026 Would any girlies want to be gym accountability buddies? Like go at the same time and just do our own thing type of vibe?
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Resident
Jan 3, 2026 Hi all, is anyone aware of a printer in ONBI?
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Resident
Dec 24, 2025 SOS, I just ran out of wrapping paper on my LAST gift, does anyone have a roll to spare?? I don’t need the whole thing so I can return after !! Thank you !
Neighbor Marketplace
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Resident
Jan 3, 2026 TV stand, asking price $80. Great condition, selling for aesthetics change. Originally bought for $373 on Wayfair. Pickup @ ONB II
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Resident
Jan 2, 2026 Ivory Chaise, barely used, great condition, no pets. Any amount you have is fine. Pickup @ ONB II
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Resident
Dec 5, 2025 Hi - I'm giving away my furniture items for free. Let me know if anyone is interested. Thanks!
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.
Fair Housing Notice: Cobu shows real community activity without using or displaying any resident demographic information. Individual posts are shown anonymously.