HF0
HF0 is a residency for repeat founders, founded by Dave Fontenot. Founders live and work in the HF0 house in San Francisco for 12 weeks, ending in a Demo Day. Each batch takes about 10 teams, and around half the founders in a batch have previously built a unicorn, according to a participant.
At a glance
HF0 key facts
- Deal terms
- The official site publishes no terms. Reported terms have changed over time and conflict. The SF Standard (January 2023) reported $250,000 in uncapped funding for 2.5%. Talk Business (February 2025) reported that Bastazo received $1 million when accepted into the residency, without stating the equity. Third-party listings describe up to $1M on an uncapped SAFE for 5%, and startupintros.com describes the Fall 2026 batch as equity-free with no investment. None of these is confirmed by HF0.
- Duration
- 12 weeks
- Format
- In-person
- Headquarters
- San Francisco, United States
- Cohort locations
- San Francisco, United States
- Stage
- idea, pre-seed, seed
- Sectors
- general, ai
- Application cycle
- Batches run several times a year; applications are open year-round through an online form.
Verified November 4, 2026 against the sources below. Terms change; confirm on the official site before applying.
Timing
hf0.com lists batch start dates of September 13 and January 4, but does not say which batch is next and publishes no deadline. startupintros.com (third-party) lists a Fall 2026 batch with an August 1, 2026 deadline, which has passed. A W25 batch ran in 2025.
See all upcoming accelerator deadlines
Notable alumni
- Hill
- Bastazo
- Crossmint
- Rules Engine
Sources
FAQ
Applying to HF0
- How much does HF0 invest?
- HF0's standard deal: The official site publishes no terms. Reported terms have changed over time and conflict. The SF Standard (January 2023) reported $250,000 in uncapped funding for 2.5%. Talk Business (February 2025) reported that Bastazo received $1 million when accepted into the residency, without stating the equity. Third-party listings describe up to $1M on an uncapped SAFE for 5%, and startupintros.com describes the Fall 2026 batch as equity-free with no investment. None of these is confirmed by HF0.
- When is the HF0 application deadline?
- Application cycle: Batches run several times a year; applications are open year-round through an online form. hf0.com lists batch start dates of September 13 and January 4, but does not say which batch is next and publishes no deadline. startupintros.com (third-party) lists a Fall 2026 batch with an August 1, 2026 deadline, which has passed. A W25 batch ran in 2025.
- Where is HF0 based?
- HF0 is headquartered in San Francisco, United States. The program runs in person.
Preparing answers? Our accelerator application tips cover what reviewers look for.
Compare HF0: Y Combinator vs HF0
Similar programs
All accelerators| Program | Investment | Equity | Location | Format |
|---|---|---|---|---|
| 8200 EISP | None | No equity | Ramat Gan, Israel | in-person |
| Accel Atoms | $2M | — | Bengaluru, India | — |
| AI House | $600K | 7% | Seattle, United States | in-person |
| Alchemist Accelerator | — | — | San Francisco, United States | hybrid |
| AppWorks Accelerator | None | No equity | Taipei, Taiwan | hybrid |
| AUC Venture Lab | None | — | Cairo, Egypt | in-person |
Applying to HF0?
XRaze scores your fit against each program, drafts answers from your company profile and tracks every deadline. Start free with 50 credits, no card needed.