Home / California / Winiarski Family Foundation

Winiarski Family Foundation

Grantmaking profile built from public IRS Form 990 filings.

LocationNapa, California
Grants on file386
Total giving on file$42.9M
Typical grant size$111K
Most recent filing year2025
Cause focusGeneral grantmaking

What they fund

  • BARBARA WINIARSKI STROKE AND DIAGNOSTIC CENTER
  • FINANCIAL SUPPORT FOR THE ORGANIZATION

Largest recipients on file

RecipientStateGrantsTotal
St Johns CollegeNM11$25.2M
Queen of the Valley Medical Center FndnCA8$10.3M
Save Napa Valley FoundationCA9$450K
Smithsonian InstitutionDC9$450K
University of ChicagoIL7$420K
Colorado Mesa University FoundationCO11$320K
NewsCA9$295K
Claremont InstituteCA9$270K
Veterans Home of CaCA9$270K
All Saints Cathedral ParishIL5$265K

Other general grantmaking funders in California

See more foundations in California or general grantmaking funders nationwide.

Run your entire nonprofit on one platform

CRM, donations, emails, and reporting, all connected. Free for nonprofits, no platform fees.

Sign up for free Book a meeting