Winiarski Family Foundation | Foundation Profile
GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Winiarski Family Foundation. Data shown is extracted from Form 990-PF filings.
EIN: 26-0474242
Foundation Overview
Based in Napa, CA, Winiarski Family Foundation has awarded 345 grants totaling $25,434,053 to organizations in California, Illinois and 12 other states across the US. Individual grants range from $250 to $12,500,000, with a median award of $15,000.
Latest Tax Year
2024
Total Giving (all years)
$25,434,053
Total Assets
$1,803,226
Median Grant (all grants)
$15,000
Latest Form 990-PF Snapshot
Total Grants
6
Median Grant
$51,500
% Median Grant Growth
+158%
(vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year:
February 2026
Foundation Intelligence
Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies
New Applicant Friendliness
Relationship-Focused: 17%
1 of 6 recipients (17%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.
Geographic Focus
California
65% of grants are awarded in California, with additional funding distributed across 13 other locations. The foundation balances regional focus with broader geographic diversity. Within California, funding concentrates in Napa (55%), Yountville (10%), St Helena (8%).
Funding Trajectory
+1657%
Strong 1657% growth in annual giving over 8 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.
Program Areas
Community Projects + General Purposes
Dual focus on community projects (75%) and general purposes, indicating strategic concentration in complementary program areas.
Where is The Money Going?
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Grants & Funding
Analyzing past grantees provides valuable insights into Winiarski Family Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.
| Name | Amount | Location | Purpose | Year |
|---|---|---|---|---|
| Colorado Mesa University Foundation | $15,420 | Grand Junction, CO, US | Financial Support For The Organization | 2024 |
| Edward Charles Foundation | $8,900 | Beverly Hills, CA, US | Financial Support For The Organization | 2024 |
| Queen Of The Valley Medical Center Fndn | $1,579,500 | Napa, CA, US | Financial Support For The Organization | 2024 |
| St Johns College | $12,500,000 | Santa Fe, NM, US | Financial Support For The Organization | 2024 |
| Uc Davis Foundation | $53,000 | Davis, CA, US | Financial Support For The Organization | 2024 |
| Smithsonian Institution | $50,000 | Washington Dc, DC, US | Financial Support For The Organization | 2024 |
| Aldea | $20,000 | Napa, CA, US | Financial Support For The Organization | 2023 |
| Animal Refuge League Of Greater Portland | $15,000 | Westbrook, ME, US | Financial Support For The Organization | 2023 |
| Chesapeake Bay Foundation | $20,000 | Annapolis, MD, US | Financial Support For The Organization | 2023 |
| Claremont Institute | $30,000 | Claremont, CA, US | Financial Support For The Organization | 2023 |
| Colorado Mesa University Foundation | $7,400 | Grand Junction, CO, US | Financial Support For The Organization | 2023 |
| Cope Family Center | $20,000 | Napa, CA, US | Financial Support For The Organization | 2023 |
| Damian Maldonado Memorial Foundation | $10,000 | St Helena, CA, US | Financial Support For The Organization | 2023 |
| Friends Of The Smithsonian | $1,000 | Washington, DC, US | Financial Support For The Organization | 2023 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2023 |
| Kolbe Academy & Trinity Prep | $20,000 | Napa, CA, US | Financial Support For The Organization | 2023 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2023 |
| Manhattan Institute | $15,000 | New York, NY, US | Financial Support For The Organization | 2023 |
| Martha's Vineyard Fishermen Pres Trust | $20,000 | Menemsha, MA, US | Financial Support For The Organization | 2023 |
| Napa Valley College Foundation | $25,000 | Napa, CA, US | Financial Support For The Organization | 2023 |
| Napa Valley Wine Library Association | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2023 |
| Wildlife Rescue Center Of Napa County | $10,000 | Napa, CA, US | Financial Support For The Organization | 2023 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2023 |
| National Museum Of American History | $10,000 | Washington, DC, US | Financial Support For The Organization | 2023 |
| News | $35,000 | Napa, CA, US | Financial Support For The Organization | 2023 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2023 |
| Save Napa Valley Foundation | $50,000 | Angwin, CA, US | Financial Support For The Organization | 2023 |
| St Johns College | $20,000 | Santa Fe, NM, US | Financial Support For The Organization | 2023 |
| St Helena Rotary Foundation | $5,000 | St Helena, CA, US | Financial Support For The Organization | 2023 |
| Statue Of Liberty-ellis Island Foundation | $20,000 | New York, NY, US | Financial Support For The Organization | 2023 |
| Uc Davis Foundation | $61,614 | Davis, CA, US | Financial Support For The Organization | 2023 |
| Veterans Home Of Ca | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2023 |
| Yountville Friends Of The Library | $5,000 | Yountville, CA, US | Financial Support For The Organization | 2023 |
| Queen Of The Valley Medical Center Fndn | $3,460,500 | Napa, CA, US | Barbara Winiarski Stroke And Diagnostic Center | 2023 |
| Aldea | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| All Saints Cathedral Parish | $101,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Animal Refuge League Of Greater Portland | $15,000 | Westbrook, ME, US | Financial Support For The Organization | 2022 |
| Chesapeake Bay Foundation | $20,000 | Annapolis, MD, US | Financial Support For The Organization | 2022 |
| Claremont Institute | $30,000 | Claremont, CA, US | Financial Support For The Organization | 2022 |
| Colorado Mesa University Foundation | $7,344 | Grand Junction, CO, US | Financial Support For The Organization | 2022 |
| Cope Family Center | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Damian Maldonado Memorial Foundation | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| Friends Of The Smithsonian | $6,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| Kolbe Academy & Trinity Prep | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Land Trust Of Napa County | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Manhattan Institute | $15,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| Mdsc Boy Scouts Of America | $5,000 | Pleasant Hill, CA, US | Financial Support For The Organization | 2022 |
| Napa City-county Public Library | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa County Regional Park & Open Space | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley College Foundation | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley Museum | $15,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley Wine Library Association | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2022 |
| National Museum Of American History | $15,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| News | $35,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Pacific Research Institute | $20,000 | San Francisco, CA, US | Financial Support For The Organization | 2022 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2022 |
| Save Napa Valley Foundation | $50,000 | Angwin, CA, US | Financial Support For The Organization | 2022 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| St Johns College | $20,000 | Santa Fe, NM, US | Financial Support For The Organization | 2022 |
| Statue Of Liberty-ellis Island Foundation | $20,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| The Salvation Army | $5,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| University Of Chicago | $60,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Veterans Home Of Ca | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| Veterans Of Foreign Wars | $5,000 | Topeka, KS, US | Financial Support For The Organization | 2022 |
| Wildlife Rescue Center Of Napa County | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Yountville Friends Of The Library | $5,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| American Red Cross | $25,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| Feeding It Forward Inc | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Martha's Vineyard Fishermen Pres Trust | $20,000 | Menemsha, MA, US | Financial Support For The Organization | 2022 |
| Queen Of The Valley Medical Center Fndn | $90,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| St Gregory Of Sinai Monastery | $10,000 | Kelseyville, CA, US | Financial Support For The Organization | 2022 |
| Haitian Education & Leadership Program | $15,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| Aldea | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| All Saints Cathedral Parish | $101,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Animal Refuge League Of Greater Portland | $15,000 | Westbrook, ME, US | Financial Support For The Organization | 2022 |
| Chesapeake Bay Foundation | $20,000 | Annapolis, MD, US | Financial Support For The Organization | 2022 |
| Claremont Institute | $30,000 | Claremont, CA, US | Financial Support For The Organization | 2022 |
| Colorado Mesa University Foundation | $7,344 | Grand Junction, CO, US | Financial Support For The Organization | 2022 |
| Cope Family Center | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Damian Maldonado Memorial Foundation | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| Friends Of The Smithsonian | $6,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| Kolbe Academy & Trinity Prep | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Land Trust Of Napa County | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Manhattan Institute | $15,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| Mdsc Boy Scouts Of America | $5,000 | Pleasant Hill, CA, US | Financial Support For The Organization | 2022 |
| Napa City-county Public Library | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa County Regional Park & Open Space | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley College Foundation | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley Museum | $15,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley Wine Library Association | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2022 |
| National Museum Of American History | $15,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| News | $35,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Pacific Research Institute | $20,000 | San Francisco, CA, US | Financial Support For The Organization | 2022 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2022 |
| Save Napa Valley Foundation | $50,000 | Angwin, CA, US | Financial Support For The Organization | 2022 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| St Johns College | $20,000 | Santa Fe, NM, US | Financial Support For The Organization | 2022 |
| Statue Of Liberty-ellis Island Foundation | $20,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| The Salvation Army | $5,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| University Of Chicago | $60,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Veterans Home Of Ca | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| Veterans Of Foreign Wars | $5,000 | Topeka, KS, US | Financial Support For The Organization | 2022 |
| Wildlife Rescue Center Of Napa County | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Yountville Friends Of The Library | $5,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| American Red Cross | $25,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| Feeding It Forward Inc | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Martha's Vineyard Fishermen Pres Trust | $20,000 | Menemsha, MA, US | Financial Support For The Organization | 2022 |
| Queen Of The Valley Medical Center Fndn | $90,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| St Gregory Of Sinai Monastery | $10,000 | Kelseyville, CA, US | Financial Support For The Organization | 2022 |
| Haitian Education & Leadership Program | $15,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| Aldea | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| All Saints Cathedral Parish | $101,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Animal Refuge League Of Greater Portland | $15,000 | Westbrook, ME, US | Financial Support For The Organization | 2022 |
| Chesapeake Bay Foundation | $20,000 | Annapolis, MD, US | Financial Support For The Organization | 2022 |
| Claremont Institute | $30,000 | Claremont, CA, US | Financial Support For The Organization | 2022 |
| Colorado Mesa University Foundation | $7,344 | Grand Junction, CO, US | Financial Support For The Organization | 2022 |
| Cope Family Center | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Damian Maldonado Memorial Foundation | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| Friends Of The Smithsonian | $6,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| Kolbe Academy & Trinity Prep | $20,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Land Trust Of Napa County | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Manhattan Institute | $15,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| Mdsc Boy Scouts Of America | $5,000 | Pleasant Hill, CA, US | Financial Support For The Organization | 2022 |
| Napa City-county Public Library | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa County Regional Park & Open Space | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley College Foundation | $25,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley Museum | $15,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| Napa Valley Wine Library Association | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2022 |
| National Museum Of American History | $15,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| News | $35,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Pacific Research Institute | $20,000 | San Francisco, CA, US | Financial Support For The Organization | 2022 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2022 |
| Save Napa Valley Foundation | $50,000 | Angwin, CA, US | Financial Support For The Organization | 2022 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2022 |
| St Johns College | $20,000 | Santa Fe, NM, US | Financial Support For The Organization | 2022 |
| Statue Of Liberty-ellis Island Foundation | $20,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| The Salvation Army | $5,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| University Of Chicago | $60,000 | Chicago, IL, US | Financial Support For The Organization | 2022 |
| Veterans Home Of Ca | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| Veterans Of Foreign Wars | $5,000 | Topeka, KS, US | Financial Support For The Organization | 2022 |
| Wildlife Rescue Center Of Napa County | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Yountville Friends Of The Library | $5,000 | Yountville, CA, US | Financial Support For The Organization | 2022 |
| American Red Cross | $25,000 | St Helena, CA, US | Financial Support For The Organization | 2022 |
| Feeding It Forward Inc | $10,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| Martha's Vineyard Fishermen Pres Trust | $20,000 | Menemsha, MA, US | Financial Support For The Organization | 2022 |
| Queen Of The Valley Medical Center Fndn | $90,000 | Napa, CA, US | Financial Support For The Organization | 2022 |
| St Gregory Of Sinai Monastery | $10,000 | Kelseyville, CA, US | Financial Support For The Organization | 2022 |
| Haitian Education & Leadership Program | $15,000 | New York, NY, US | Financial Support For The Organization | 2022 |
| Aldea | $20,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| All Saints Cathedral Parish | $21,000 | Chicago, IL, US | Financial Support For The Organization | 2021 |
| Alzheimer's Association | $5,000 | Mclean, VA, US | Financial Support For The Organization | 2021 |
| Animal Refuge League Of Greater Portland | $10,000 | Westbrook, ME, US | Financial Support For The Organization | 2021 |
| Cato Institute | $5,000 | Washington, DC, US | Financial Support For The Organization | 2021 |
| Chesapeake Bay Foundation | $20,000 | Annapolis, MD, US | Financial Support For The Organization | 2021 |
| Claremont Institute | $30,000 | Claremont, CA, US | Financial Support For The Organization | 2021 |
| Colorado Mesa University Foundation | $19,837 | Grand Junction, CO, US | Financial Support For The Organization | 2021 |
| Community Action Of Napa Valley | $10,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Cope Family Center | $20,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Damian Maldonado Memorial Foundation | $15,000 | St Helena, CA, US | Financial Support For The Organization | 2021 |
| De La Salle Institute | $10,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Eisenhower Foundation | $5,000 | Abilene, KS, US | Financial Support For The Organization | 2021 |
| Friends Of The Smithsonian | $6,000 | Washington, DC, US | Financial Support For The Organization | 2021 |
| Hands Across The Valley | $50,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2021 |
| Kolbe Academy & Trinity Prep | $40,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Kqed | $1,500 | San Francisco, CA, US | Financial Support For The Organization | 2021 |
| Land Trust Of Napa County | $25,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2021 |
| Manhattan Institute | $15,000 | New York, NY, US | Financial Support For The Organization | 2021 |
| Mdsc Boy Scouts Of America | $5,000 | Pleasant Hill, CA, US | Financial Support For The Organization | 2021 |
| Martha's Vineyard Fisherman's Preservation Trust | $20,000 | Menemsha, MA, US | Financial Support For The Organization | 2021 |
| Napa City-county Public Library | $35,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Napa County Regional Park & Open Space | $20,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Napa Valley College Foundation | $30,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Napa Valley Food Bank | $10,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Napa Valley Museum | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2021 |
| Napa Valley Wine Library Association | $20,000 | St Helena, CA, US | Financial Support For The Organization | 2021 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2021 |
| National Museum Of American History | $10,000 | Washington, DC, US | Financial Support For The Organization | 2021 |
| News | $35,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Ole Health | $50,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Pacific Research Institute | $20,000 | San Francisco, CA, US | Financial Support For The Organization | 2021 |
| Parentscan | $10,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Polish Arts And Culture Foundation | $10,000 | Oakland, CA, US | Financial Support For The Organization | 2021 |
| Save Napa Valley Foundation | $50,000 | Angwin, CA, US | Financial Support For The Organization | 2021 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2021 |
| St Johns College | $20,000 | Santa Fe, NM, US | Financial Support For The Organization | 2021 |
| St Apollinaris Catholic School | $750 | Napa, CA, US | Financial Support For The Organization | 2021 |
| St Gregory Of Sinai Monastery | $15,000 | Kelseyville, CA, US | Financial Support For The Organization | 2021 |
| Statue Of Liberty-ellis Island Foundation | $20,000 | New York, NY, US | Financial Support For The Organization | 2021 |
| The Salvation Army | $10,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| University Of Chicago | $60,000 | Chicago, IL, US | Financial Support For The Organization | 2021 |
| Veterans Home Of Ca | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2021 |
| Veterans Of Foreign Wars | $5,500 | Topeka, KS, US | Financial Support For The Organization | 2021 |
| Wildlife Rescue Center Of Napa County | $10,000 | Napa, CA, US | Financial Support For The Organization | 2021 |
| Yountville Friends Of The Library | $5,000 | Yountville, CA, US | Financial Support For The Organization | 2021 |
| Aldea | $20,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Alzheimer's Association | $5,000 | Mclean, VA, US | Financial Support For The Organization | 2020 |
| Cato Institute | $5,000 | Washington, DC, US | Financial Support For The Organization | 2020 |
| Claremont Institute | $30,000 | Claremont, CA, US | Financial Support For The Organization | 2020 |
| Colorado Mesa University Foundation | $100,000 | Grand Junction, CO, US | Financial Support For The Organization | 2020 |
| Community Action Of Napa Valley | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Community Health Initiative | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Connolly Ranch Education Center | $5,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Cope Family Center | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Damian Maldonado Memorial Foundation | $10,000 | St Helena, CA, US | Financial Support For The Organization | 2020 |
| Eisenhower Foundation | $5,000 | Abilene, KS, US | Financial Support For The Organization | 2020 |
| Friends Of The Smithsonian | $1,000 | Washington, DC, US | Financial Support For The Organization | 2020 |
| Hands Across The Valley | $25,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2020 |
| Kolbe Academy & Trinity Prep | $30,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Kqed | $1,500 | San Francisco, CA, US | Financial Support For The Organization | 2020 |
| Land Trust Of Napa County | $25,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2020 |
| Manhattan Institute | $10,000 | New York, NY, US | Financial Support For The Organization | 2020 |
| Mdsc Boy Scouts Of America | $5,000 | Pleasant Hill, CA, US | Financial Support For The Organization | 2020 |
| Napa City-county Public Library | $25,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Napa County Regional Park & Open Space | $5,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Napa High School Choral Boosters | $2,500 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Napa Valley College Foundation | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Napa Valley Food Bank | $95,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Napa Valley Museum | $20,000 | Yountville, CA, US | Financial Support For The Organization | 2020 |
| Napa Valley Wine Library Association | $5,000 | St Helena, CA, US | Financial Support For The Organization | 2020 |
| National Association Of Scholars | $30,000 | Princeton, NJ, US | Financial Support For The Organization | 2020 |
| National Museum Of American History | $10,000 | Washington, DC, US | Financial Support For The Organization | 2020 |
| News | $25,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Ole Health | $25,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Pacific Research Institute | $20,000 | San Francisco, CA, US | Financial Support For The Organization | 2020 |
| Parentscan | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2020 |
| Queen Of The Valley Medical Center Fndn | $25,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Saint Gregory Of Sinai Monastery | $25,000 | Kelseyville, CA, US | Financial Support For The Organization | 2020 |
| Save Napa Valley Foundation | $50,000 | Angwin, CA, US | Financial Support For The Organization | 2020 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2020 |
| St Johns College | $10,000 | Santa Fe, NM, US | Financial Support For The Organization | 2020 |
| Statue Of Liberty-ellis Island Foundation | $10,000 | New York, NY, US | Financial Support For The Organization | 2020 |
| Summer Search | $10,000 | San Francisco, CA, US | Financial Support For The Organization | 2020 |
| The Salvation Army | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| University Of Chicago | $60,000 | Chicago, IL, US | Financial Support For The Organization | 2020 |
| Veterans Home Of Ca | $30,000 | Yountville, CA, US | Financial Support For The Organization | 2020 |
| Veterans Of Foreign Wars | $5,500 | Topeka, KS, US | Financial Support For The Organization | 2020 |
| Napa Wildlife Rescue | $10,000 | Napa, CA, US | Financial Support For The Organization | 2020 |
| Aldea | $10,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Alzheimer's Association | $10,000 | Mclean, VA, US | Financial Support For The Organization | 2018 |
| Claremont Institute | $25,000 | Claremont, CA, US | Financial Support For The Organization | 2018 |
| Community Action Of Napa Valley | $10,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Crush Ms | $10,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Doctors Without Borders | $10,000 | Hagerstown, MD, US | Financial Support For The Organization | 2018 |
| If Given A Chance | $10,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Judical Watch Inc | $10,000 | Washington, DC, US | Financial Support For The Organization | 2018 |
| Land Trust Of Napa County | $100,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Lane Tech Alumni Association | $10,000 | Chicago, IL, US | Financial Support For The Organization | 2018 |
| Manhattan Institute | $10,000 | New York, NY, US | Financial Support For The Organization | 2018 |
| Napa City-county Public Library | $25,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Napa High School Choral Boosters | $2,500 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Napa Valley College Foundation | $25,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Napa Valley Food Bank | $20,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Napa Valley Museum | $20,000 | Yountville, CA, US | Financial Support For The Organization | 2018 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2018 |
| National Audubon Society | $2,000 | Palm Coast, FL, US | Financial Support For The Organization | 2018 |
| News | $25,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Ole Health | $25,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Pacific Research Institute | $10,000 | San Francisco, CA, US | Financial Support For The Organization | 2018 |
| Parentscan | $10,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2018 |
| Queen Of The Valley Medical Center Fndn | $250,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Saint Gregory Of Sinai Monastery | $15,000 | Kelseyville, CA, US | Financial Support For The Organization | 2018 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2018 |
| Threshold Choir | $500 | Santa Rosa, CA, US | Financial Support For The Organization | 2018 |
| Uc Davis Foundation | $100,000 | Davis, CA, US | Financial Support For The Organization | 2018 |
| University Of Chicago | $100,000 | Chicago, IL, US | Financial Support For The Organization | 2018 |
| Wildlife Rescue Center Of Napa County | $5,000 | Napa, CA, US | Financial Support For The Organization | 2018 |
| Aldea | $10,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Claremont Institute | $10,000 | Claremont, CA, US | Financial Support For The Organization | 2017 |
| Community Action Of Napa Valley | $2,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Cope Family Center | $10,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Damian Maldonado Memorial Scholarship Foundation | $14,600 | St Helena, CA, US | Financial Support For The Organization | 2017 |
| Friends Of The Smithsonian | $2,500 | Washington, DC, US | Financial Support For The Organization | 2017 |
| If Given A Chance | $17,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| International Documentary Association | $45,000 | Los Angeles, CA, US | Financial Support For The Organization | 2017 |
| Napa Valley College Foundation | $20,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Napa Valley Food Bank | $10,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Napa Valley Museum | $2,500 | Yountville, CA, US | Financial Support For The Organization | 2017 |
| National Association Of Scholars | $10,000 | Princeton, NJ, US | Financial Support For The Organization | 2017 |
| National Audubon Society | $500 | Palm Coast, FL, US | Financial Support For The Organization | 2017 |
| News | $15,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Nimbus Arts | $2,500 | St Helena, CA, US | Financial Support For The Organization | 2017 |
| Ole Health | $250,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Parentscan | $10,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Pathway Home | $100,000 | Yountville, CA, US | Financial Support For The Organization | 2017 |
| Queen Of The Valley Medical Center Fndn | $150,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Saint Gregory Of Sinai Monastery | $25,000 | Kelseyville, CA, US | Financial Support For The Organization | 2017 |
| The Salvation Army | $1,000 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Uc Davis Foundation | $100,000 | Davis, CA, US | Financial Support For The Organization | 2017 |
| Uc Regents | $15,000 | Davis, CA, US | Financial Support For The Organization | 2017 |
| University Of Chicago | $50,000 | Chicago, IL, US | Financial Support For The Organization | 2017 |
| Vintage High School | $2,500 | Napa, CA, US | Financial Support For The Organization | 2017 |
| Aldea | $25,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Alternatives For Better Living | $5,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Cato Institute | $10,000 | Washington, DC, US | Financial Support For The Organization | 2016 |
| Claremont Institute | $20,000 | Claremont, CA, US | Financial Support For The Organization | 2016 |
| Clinic Ole | $25,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Community Action Of Napa Valley | $30,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Community Health Initiative | $20,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Cope Family Center | $10,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| George W Bush Foundation | $10,000 | College Station, TX, US | Financial Support For The Organization | 2016 |
| If Given A Chance | $25,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Judicial Watch Inc | $20,000 | Washington, DC, US | Financial Support For The Organization | 2016 |
| Kqed | $500 | San Francisco, CA, US | Financial Support For The Organization | 2016 |
| Land Trust Of Napa County | $5,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Mark Day School | $10,000 | San Rafael, CA, US | Financial Support For The Organization | 2016 |
| Napa City-county Public Library | $10,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Napa High School Choral Boosters | $7,500 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Napa Valley College Foundation | $25,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Napa Valley Food Bank | $10,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Napa Valley Museum | $11,000 | Yountville, CA, US | Financial Support For The Organization | 2016 |
| Napa Valley Wine Library Association | $10,000 | St Helena, CA, US | Financial Support For The Organization | 2016 |
| National Association Of Scholars | $20,000 | Princeton, NJ, US | Financial Support For The Organization | 2016 |
| National Audubon Society | $500 | Palm Coast, FL, US | Financial Support For The Organization | 2016 |
| National Wildlife Federation | $250 | Merrifield, VA, US | Financial Support For The Organization | 2016 |
| Nature Conservancy | $250 | San Francisco, CA, US | Financial Support For The Organization | 2016 |
| News | $25,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Pacific Research Institute | $15,000 | San Francisco, CA, US | Financial Support For The Organization | 2016 |
| Parentscan | $10,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Pathway Home | $50,000 | Yountville, CA, US | Financial Support For The Organization | 2016 |
| Polish Arts And Culture Foundation | $5,000 | Oakland, CA, US | Financial Support For The Organization | 2016 |
| Queen Of The Valley Medical Center Fndn | $75,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Smithsonian Institution | $50,000 | Washington, DC, US | Financial Support For The Organization | 2016 |
| St Mary's Episcopal Church | $5,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| The Salvation Army | $500 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Tides Center For Genetics | $15,000 | San Francisco, CA, US | Financial Support For The Organization | 2016 |
| Uc Davis Foundation | $90,000 | Davis, CA, US | Financial Support For The Organization | 2016 |
| Uc Regents | $65,000 | Davis, CA, US | Financial Support For The Organization | 2016 |
| University Of Chicago | $83,000 | Chicago, IL, US | Financial Support For The Organization | 2016 |
| Wildlife Rescue Center Of Napa County | $5,000 | Napa, CA, US | Financial Support For The Organization | 2016 |
| Yountville Friends Of The Library | $5,000 | Yountville, CA, US | Financial Support For The Organization | 2016 |
Foundations Similar to Winiarski Family Foundation
Discover 5 foundations with comparable assets ($1,783,712-$1,826,849), similar grant patterns, and geographic focus in CA that may also align with your organization's funding needs and grant seeking strategy.
| Foundation Name | Total Assets | Typical Grant Size | Service Area | Similarity Match |
|---|---|---|---|---|
|
The School For You Foundation
EIN: 20-0313169 | 11 grants awarded |
$1,796,086
(≈ Similar) |
$25,000
median grant |
Long Beach, CA
Same state |
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|
Gamj Family Foundation
EIN: 87-2591848 | 12 grants awarded |
$1,793,555
(≈ Similar) |
$10,000
median grant |
Diamond Bar, CA
Same state |
|
|
Full Circle Charitable Foundation
EIN: 46-1474331 | 83 grants awarded |
$1,820,224
(≈ Similar) |
$10,000
median grant |
Pleasant Hill, CA
Same state |
|
|
Leo Freedman Foundation
EIN: 95-4212896 | 28 grants awarded |
$1,783,712
(≈ Similar) |
$25,000
median grant |
Encino, CA
Same state |
|
|
Kelly Charitable Remainder Ann Tr
EIN: 95-7108645 | 93 grants awarded |
$1,826,849
(≈ Similar) |
$8,500
median grant |
Los Angeles, CA
Same state |
|
Related Foundation Resources in CA:
Contact Information
Official contact details for Winiarski Family Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.
| EIN | 26-0474242 |
| Website | N/A |
| Address | 5766 SILVERADO TRL Napa, CA 94558-9413 |
Key People (3)
Board members, trustees, and key staff who oversee Winiarski Family Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.
| President / Director | Greg Bennett |
|---|---|
| Secretary / Director | Stacy Madigan |
| Cfo / Director | Thomas Suniville |
Forms 990-PF
IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.
Form 990-PF Research Tips
- Review Part XV for detailed grant recipient information and funding purposes
- Check Part I for total assets, annual giving amounts, and payout requirements
- Examine Part VIII for key personnel compensation and board structure
- Look for trends across multiple years to understand giving patterns
About This Foundation Profile
This comprehensive foundation profile for Winiarski Family Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.
Data Sources & Accuracy
All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.
Research Applications
Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.
Data Currency: Last updated
February 2026
based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.