Open your doors.

We’ll bring the neighborhood.

Closed hours. Open Community.

PartnerSF is a Public Benefit Corporation founded by Ethan Castiglione to keep San Francisco’s neighborhood venues—cafés, bookstores, galleries, and shops—thriving after the lights go out. Our mission is simple: turn quiet hours into moments that move people and sustain local business.

    • Your space for one after-hours wellness event per month and open your doors to our book club and run crawls.

    • A door key and a date that fits your calendar.

    • 50 / 50 ticket share on every paid event.

    • Free foot‑traffic from our city‑wide Run & Book Crawls.

    • Pro marketing kit—professional event photography, media coverage, in‑store signage.

    • Concise event report next morning—attendance, engagement, next steps.

    • No lift for your staff. We supply leaders, gear, insurance, cleanup.

  • Habit → Loyalty

    • Monthly wellness moments turn first‑timers into regulars.

    Quiet hours → Cash flow

    • Monetise the time your lights are off—without extra payroll.

    Mission‑locked

    • As a Public Benefit Corporation, our success is legally tied to yours.

PartnerSF Host

 FAQs

  • No. We bring the instructors, gear, insurance, marketing, and cleanup. You just open your doors.

  • There’s no upfront fee. Host one event per month, and we split ticket revenue 50 / 50.

  • • Zero Lift — We run everything end-to-end.

    • Shared Upside — 50 / 50 ticket split. Our community network of book and run crawls boost spend, engagement, reach and awareness..

    • Mission-Locked — As a Public Benefit Corporation, we’re legally bound to grow your venue and strengthen your neighborhood.

How do I get started?

  1. Say hello. Send us a note—just a line or two.

  2. Choose a coffee (or tea) slot. We’ll reply with a calendar link. Pick a time that suits you.

  3. Meet in person. Over coffee we’ll dive into your space, your community, your goals—and share how PartnerSF works.

  4. Design your first gathering. Together we select your monthly wellness event and join the Community Network.

  5. Go live in two weeks. You unlock the doors; we handle everything else.

Simple, human, partnership‑first.