Sept 11–12, 2026
Building for SF is free to attend. Sponsors are the reason it can be — they cover the room, the food, and the tools so anyone with a fix worth prototyping can show up.
Every dollar goes into running the weekend itself. No tickets, no paywalls, no cost to participants.
Meals, transit help, and materials so cost is never the reason someone with the right perspective sits it out.
A venue for kickoff night and a full build day, with the power, wifi, and printing ~80 people need to ship something.
Publishing the projects, keeping this site up, and helping the strongest work find its way to the people who can act on it.
Sponsors are listed here, on kickoff night, and alongside the published projects. Slots are open for 2026.
Slots are still open. Sponsors are listed here, named on kickoff night, and credited alongside every project we publish after demos.
Cash, food, venue, or in-kind support — we'll size a sponsorship around whatever you can bring, and tell you exactly what it covers.
If you're interested in sponsoring, first we're extremely grateful! Please contact: Lily at abundantsanfrancisco dot org for more information