24/7 security
High-speed internet
Utilities included
Elevator
Parking
3150 18th Street
3150 18th Street #114, San Francisco, CA 94110
ActivSpace
Available Workspaces
Private Office
Contact for pricing
Business hours
Monday
from 11:00 am to 4:00 pm
Tuesday
from 11:00 am to 4:00 pm
Wednesday
from 1:00 pm to 7:00 pm
Thursday
from 1:00 pm to 7:00 pm
Friday
from 11:00 am to 4:00 pm
Saturday
from 11:00 am to 4:00 pm
Sunday
Closed
3150 18th Street #114, San Francisco, CA 94110
Walk & ride
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Walk score
99/100
Walker's Paradise -
Transit score
90/100
Rider's Paradise -
Bike score
100/100
Biker's Paradise
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Reviews
View all 58 reviews on Google
asa
Jan 16 2026
Rented for 6 months, they kept my entire security deposit + charged me extra for “damage,” despite the fact that I didn’t do anything to the space, didn’t even put things up on the walls. Building management was great up until this point. I wouldn’t rent from them again and wouldn’t advise anyone else to, you may not get your security deposit back. Ended up filing in small claims court for my deposit. EDIT: i won
Calvin Mesquita
Dec 06 2025
My sincere thanks first and foremost to JAMIE for taking such good care of the ACTIVSPACE building. We are always well attended to, and whenever we have any difficulties, she is always ready to help us. The building, both inside and out, is always well-organized and clean. The garage is always well-maintained, with excellent lighting and cleanliness. The bathrooms on all floors are always clean and smell nice. I feel very safe in this building. For me, it's one of the best buildings in the area.
asa
Dec 02 2025
Rented for 6 months, they kept my entire security deposit + charged me extra for “damage,” despite the fact that I didn’t do anything to the space, didn’t even put things up on the walls. Building management was great up until this point. I wouldn’t rent from them again and wouldn’t advise anyone else to, you may not get your security deposit back. Ended up filing in small claims court for my deposit.
Ines Maldonado
Nov 05 2025
I’ve been renting here for a year+ and aside from having an affordable art space in a great location I have to note that Jaime has truly upped the morale here at ActivSpace since she’s been in charge! All of my needs are met in a timely manner and I am overall very satisfied with my experience here. A great place to work if you’re looking for an art studio or a space for your small business!
Mike DeNinno
Oct 24 2025
TOP NOTCH! FRIENDLY AND KNOWLEDGEABLE MANAGEMENT! Yo, seriously, the second I hit up Luis, I felt like the MVP. Do you appreciate non-stop, super smooth follow-ups and genuinely helpful tips? That's just the standard here, and it hasn't dipped, even a month in. I scoped out the other spots nearby, but ActivSpace? Nah, this is the Hyatt. The rest are straight-up Motel 6 vibes. Yeah, it might cost a tiny bit more, but it is SO worth the splurge! The building and the bathrooms (on every floor, no less!) are always mint. But get this: I've got my own cold sink right in my space! Plus, there's on-site security, an elevator, 24/7 access, parking and management is always right there—or just a quick text away. The community here is straight-up awesome, too. Everyone's super cool! Couldn't be happier I locked this down. Feeling super lucky to be part of the ActivSpace Mission crew!
Frequently Asked Questions
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Whether you're a day pass holder or a monthly member, you can access most amenities. Meeting rooms do require prior scheduling, and private offices are reserved for those with subscriptions. However, the lounge, kitchen, and breakout spaces are open to all. Complimentary services are also available regardless of membership tier, while ancillary services can be purchased separately or negotiated with ActivSpace.
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3150 18th Street operates during regular business hours, as indicated above. For access outside of these hours, please contact the operator directly to inquire about any available options.
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Coworking spaces typically have limited storage options, most of which are reserved for members with dedicated desks or private offices. With that said, it’s best to contact the coworking operator directly via the form on the right side of the page to learn about available storage options.
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Want to get a feel for the workspace before signing up? Schedule a tour to experience 3150 18th Street and envision your workday in this dynamic environment. All you need to do is fill out this form, indicating your preferred date and time, and we'll be happy to host you.
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Adaptability is at the core of coworking, so membership options are always designed to cater to your changing work requirements and team dynamics. Most spaces offer month-to-month memberships, enabling you to adjust your workspace to your changing needs. Whether your business is growing or downsizing – or you just want to upgrade to a more private setting – you always have the flexibility to make the changes you need.
While your membership agreement may have specific terms regarding changes, don’t hesitate to reach out to ActivSpace to discuss accommodating your adjustments.
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