The Sam Mazza Foundation
The Sam Mazza Foundation is a private philanthropic foundation in San Francisco that supports the arts and arts education and conserves the Mazza Castle. The official site includes grantmaking and application pages, foundation/about information, news/events and contact details.
Source: Website · Mar 2026
Ideal Applicant
Small-to-mid arts or arts-education nonprofit, primarily Bay Area–based, with clear public programs or youth-focused work and a track record of public-facing activities.
Good Fit
- • Based in the San Francisco Bay Area or with clear California impact.
- • Mission centered on arts, performing arts, music, or arts education (including youth programs).
- • Requesting general operating or project support in the foundation's typical grant range (~$5K–$35K).
- • Has visible public documentation (website, budgets, program descriptions) to support an LOI.
- • Existing relationships or introductions to local philanthropic networks or foundation staff.
Geography
Observed giving is highly concentrated in California: in 2024 about 97% of dollars supported in-state recipients, with only a few out-of-state grants across four states.
Recipient Variety
The foundation funded about 30 distinct recipients in the latest year (31 grants in 2024) and historically funded 36–37 recipients in prior years, showing a broad set of independent arts organizations despite modest top-five concentration.
New Applicants
Website language says proposals are by invitation only and the process requires an LOI, but the records show new entrants (9 new recipients in 2024 and 17 in 2023), so unfamiliar applicants can access funding though selection appears selective and relationship-aware.
Source: Zeffy Agent · Mar 2026
