Published November 11, 2026 · Last updated November 11, 2026 · 10-minute read
TL;DR
- SF Tech Week is a16z’s city-wide week of independently hosted events: free to attend, with RSVPs on Partiful, not Luma.
- The SF calendar now runs to four figures of events, so picking well matters more than attending a lot.
- Most good events are approval-based. Apply early, write a real application, and contact the host if you hear nothing.
- Stay central (Downtown, FiDi, SoMa). Cheap beds exist, but most shared housing wants a month.
- The week ends; San Francisco’s calendar doesn’t. Two ordinary weeks of evening events often beat one hyped week.
SF Tech Week is a free, decentralised “unconference” run by Andreessen Horowitz (a16z), where companies, investors and communities each host their own events across San Francisco over one week in October. You pick events from the official calendar on tech-week.com and RSVP to each one on Partiful. Many events approve guests by hand, so the skill is choosing a few good rooms and getting into them.
Search “SF Tech Week” in September and you’ll find the same advice everywhere: register early, wear comfortable shoes, bring a charger. That is fine. It also misses the part that decides whether the trip pays off. I’ve been attending and hosting events for a while, and I keep landing on one view: the week is a good excuse to come to San Francisco, and a poor reason to leave after seven days.
What is SF Tech Week?
SF Tech Week is a week-long, city-wide series of tech events organised by a16z, where every event is run by a separate host rather than by a central conference. Tech Week’s help centre describes it as a decentralized unconference, meaning all events are individually hosted. There is no badge and no main stage you have to pay for. Tech Week itself is free to attend, but individual hosts can charge for their own events.
a16z runs the brand, the calendar and the host programme. An a16z job listing describes Tech Week as the firm’s flagship initiative to connect founders, operators and investors at the frontiers of technology. The same format runs in Boston, New York and Los Angeles.
The detail most first-timers miss is the platform. The official event platform for Tech Week is Partiful, and the help centre says Eventbrite or Luma pages are not accepted on the calendar. So the official week lives on Partiful. You’ll still see Luma events that run alongside it and borrow the name, such as Connect Everything: MCP for AI Agents during SF a16z TechWeek. Those are side events, not calendar listings.
When is it? The next San Francisco edition runs Oct 4-10, 2027, per Tech Week’s help centre as checked in November 2026. The calendar usually opens typically in late August or early September.
How big is SF Tech Week?
SF Tech Week is now large enough that no one attends more than a sliver of it: the 2026 San Francisco calendar listed more than 1,700 events. a16z general partner Andrew Chen posted on opening day that there were 1,700+ events on the calendar, more than double in the past two years, from 1,266 hosts from 1,058 companies, including OpenAI, Anthropic, SpaceXAI, Stripe and many smaller teams.
The growth curve is steep. In an a16z job listing, the firm said that in 2023 its Tech Weeks across LA, SF and NY were drawing out 30,000+ participants across 1,000+ events. That was three cities combined. By 2026, San Francisco alone had passed that event count.
| Edition | What a16z said | Scope |
|---|---|---|
| 2023 | 30,000+ participants across 1,000+ events | LA, SF and NY combined |
| 2024 | 1000+ tech events with 10,000s+ of people | SF and LA, back to back |
| 2026 | 1,700+ events, 1,266 hosts from 1,058 companies | San Francisco only |
| Every year, all cities | 100,000+ attendees across 3,000+ events annually | All Tech Week cities |
Most visitors can manage two or three events a day before the walking and the small talk wear them out. Against a calendar that size, you will see a tiny fraction of it, and that’s the right mindset to go in with.
How do you pick a handful of SF Tech Week events?
Pick events by host and size first, topic second: small rooms run by people who build things beat large branded mixers almost every time. The organisers’ own advice is to filter your search in the official calendar, which is a start. Filters turn a long list into a shorter long list. You still need a way to choose.
Here is the filter I’d use, in order: - Who is hosting? A team that ships a product you use, or a community that meets all year, will run a better room than a sponsor who booked a bar. - How big is it? A room built for a crowd is a lobby, not a conversation. Prefer dinners, workshops, demo nights and hack sessions. - Will this host exist in November? Recurring hosts are the ones you can follow up with after the week, which is where the value compounds. - Is there a format? A demo, a build session or a structured roundtable gives strangers something to talk about besides what do you do?
Plan around two or three anchor events a day, not seven. Travel between SoMa, the Financial District and Dogpatch eats more time than the calendar suggests, and the best conversations happen when you don’t have to leave early for the next RSVP. Our guide to spotting a high-signal tech meetup goes deeper on reading an event page before you commit.
How do you get into waitlisted Tech Week events?
Apply early, write a specific application, and contact the host directly if you hear nothing, because hosts, not Tech Week, approve every guest. The help centre is blunt about it: RSVP approval is not guaranteed, even if an event appears to have open availability, as many events use curated guest lists. Tech Week support can’t approve you, and hosts provide exact event location details only after your registration is approved.
The host-side guidance tells you how the other end works. Hosts are told to aim to approve/deny all applicants within 7 days of their application, and to account for 50-70% attrition because most events are free. My reading of that: hosts expect many approved guests to skip, so a waitlist is a queue that moves, especially in the last day or two.
What helps you get through: - Fill in the questions properly. Founder, building agent evals for fintech, looking for design partners gets approved. A blank field doesn’t. - Apply in the first days after the calendar opens. The help centre itself says we recommend registering as early as possible since spots fill up quickly. - Message the host once, briefly, if a week passes. Say what you’re building and why this room fits. - Double-book the slot. Apply to two events at the same time and go to the one that approves you.
Key takeaways - SF Tech Week is free, run by a16z, and every event is hosted independently on Partiful. - The 2026 SF calendar had 1,700+ events from 1,266 hosts, so choose by host and room size. - Hosts approve guests by hand and plan for 50-70% attrition, so waitlists move. - Location details usually arrive only after approval.
Where should you stay during SF Tech Week?
Stay central: Tech Week’s organisers point visitors to Downtown SF, and the densest event clusters are the Financial District and SoMa. Their help centre lists SF: Downtown SF as the area to stay central to the events. Across the public Luma events Hidden Events tracks, the biggest San Francisco clusters are the Financial District, SoMa, Dogpatch and Potrero Hill, which matches that advice.
Price is the hard part. Hotels for a single week are simple and expensive. Cheaper shared housing exists, but most of it is built for stays of a month or more, which happens to suit the plan I’d recommend anyway.
| Option | What a public source reports | Fits |
|---|---|---|
| Sleeping pod dorm, downtown | KQED found residents paying $700 per month for a bunk bed in a room with 30 other adults in the heart of downtown | A month on a tight budget |
| “Co-founder room” in a founders house | One Marina listing: the monthly cost clocks in at $3,455, with a minimum stay of 30 days | A month, private room, near other builders |
| Hotel or short-term rental | No reliable public figure found | One week, Downtown or SoMa |
Hacker houses (shared homes where people building startups live together) get searched a lot and are hard to pin down. I couldn’t find published prices for most of them, so treat any listing as a lead to check rather than a booking.
Is one big week in San Francisco better than two ordinary ones?
For most people flying in, two ordinary weeks of evening events beat one week of Tech Week, because San Francisco’s event calendar is dense all year and repeat meetings matter more than volume. Right now Hidden Events lists 344 upcoming public Luma events in San Francisco, with 115 of them in the coming week. 78.5% of them aren’t featured on Luma’s discover page, so you won’t find most of them by browsing Luma.
This is the advice I recently gave a friend on his notice period: stop letting interview rounds define you, come to Bengaluru or SF for two weeks, stay somewhere cheap, go to events every evening, and see what people are building. The referrals and the perspective follow. Be in a good city, and understand where its culture comes from.
Tech Week compresses that into seven loud days. The upside is volume. The downside is that everyone is busy, every room is full of other visitors, and the people you meet on Tuesday are at other events by Thursday. In a normal week, the same calendars that host Tech Week events keep going. South Park Commons, AGI House, Founders Bay, The Founders Guild, Antler US, Inception Studio, the Berkeley Gateway Accelerator and lablab.ai all post public events Hidden Events tracks, and their regulars are there in March as much as in October.
What matters is how often you see the same face. A person you meet once at a crowded mixer is a LinkedIn connection. A person you see at a Tuesday AI meetup, a Thursday demo night and a Saturday hack session is someone who might refer you, hire you, or build with you. (That’s also how most cofounders meet, which our cofounder guide covers in detail.)
If you’re coming from India, check current US visa rules for what your visa allows before you book, and keep the trip about attending events and meeting people.
What should you do if you’re flying in?
Book two weeks, put Tech Week inside them if the dates work, and plan one event every evening with a mix of AI, startup and hands-on rooms. If the dates don’t work, come anyway. The ordinary calendar is enough.
A simple plan: - Week one: browse the San Francisco events page and RSVP to five evenings across the startup events, AI events and meetups lists. San Francisco’s busiest weekday on Luma is currently Tuesday. - Week two: go back to the two or three rooms where you had the best conversations. Repeat visits are where introductions happen. - Weekends: use the this-weekend list for hackathons and build days. Our guide to finding hackathons explains where they’re listed. - Every day: check the SF events this week roundup and the networking events list for anything new.
Bring a one-line answer to what are you building? or what do you want to work on next?, and a specific ask. I’m looking for a team shipping agent infrastructure that hires remote engineers from India gets you a name. I’m exploring gets you a nod. And if San Francisco is too far this year, the same plan works in Bengaluru, which has its own dense, mostly unfeatured calendar.
About the author: Himanshu Saleria, founder of Hidden Events. I love meeting people. I’ve been attending events, hosting them, and picking up patterns along the way for what makes a gathering worth showing up to. Hidden Events surfaces what I’ve been finding. LinkedIn
How we research: event counts come from Hidden Events’ own crawl of public Luma events, refreshed every 4 hours. Other figures link to their original source: Tech Week help centre on attending, on cost, on Partiful, on dates, on the schedule, on registration, on waitlists, on attrition and on where to stay; a16z job listings (earlier editions, annual figures); Andrew Chen’s newsletter and his opening-day post, via Digg; KQED on sleeping pods; AOL on co-founder rooms.