Top SF Bay Area Startup Accelerators in 2026
The SF Bay Area remains the densest startup accelerator ecosystem in the world. This open directory lists active programs based in SF, Sunnyvale, San Mateo, Mountain View and adjacent cities running active batches in 2026.
For the broader US picture, see Round Funded.
How We Picked This List
- SF Bay Area-located with at least one Bay Area cohort
- Active in 2026
- Mix of program types - founder residencies (HF0, SPC), traditional accelerators (YC, 500), sector-specialist (a16z Crypto)
Next Steps
- For SF founder visa paths (YC and similar programs satisfy O-1A criteria), see Round Funded
- For the full US accelerator list, see Round Funded
- For SF-area investors, see Round Funded and use city-level filters
