Winiarski Family Foundation logo

Winiarski Family Foundation

NAPA, CA EIN: 26-0474242 Website

The Winiarski Family Foundation is a private foundation established in 2007 and based in Napa, California. The foundation makes grants supporting conservation, preservation, education, and community initiatives, with a particular emphasis on wine industry-related causes and organizations serving the Napa Valley region and beyond.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.8M

-86.8% YoY

Annual Giving

$14.2M

+257.8% YoY

Grant Count

6

-78.6% YoY

Avg Grant Size

$2.4M

+1569.8% YoY

Under IRS private-foundation payout rules, Winiarski Family Foundation reported a distributable amount of $382K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation does not maintain a publicly stated mission statement. However, based on grantmaking patterns, the foundation supports:

  • Conservation and preservation efforts
  • Wine industry advancement and research
  • Education and academic institutions
  • Community organizations and social services
  • Agricultural preservation
  • Food and wine history and writing

Grantmaking

The foundation made 46 grants in 2023. Recent grant recipients include:

How to Apply

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in California, with particular emphasis on Napa County and the broader Napa Valley region. However, grants have also been made to national organizations, including the Smithsonian Institution.

Grant Distribution by State

12states
+4 more states

Cities

AbileneAngwinAnnapolisBeverly HillsChicagoClaremontDavisGrand JunctionKelseyvilleMcleanMenemshaNapaNew YorkOaklandPleasant HillPrincetonSan FranciscoSanta FeSt HelenaTopeka

Financial History

Multi-year comparison from IRS filings

As of December 31, 2023:

  • Total Assets: $13,626,602
  • Total Revenues: $727,076
  • Total Expenses: $4,148,275
  • Investment Income and Dividends: $499,180
  • Net Gain from Sale of Non-Inventory Assets: $227,878
  • Number of Employees: 0
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$4M$8M$12M$16M20202021202220232024
Metric202420232022
Total Assets$1,803,226$13,626,602$17,047,801
Revenue$2,450,508$727,076$450,546
Expenses$14,291,128$4,148,275$1,022,437
Qualifying Distributions$14,238,389$4,051,279$934,286
Net Investment Income$1,865,232$638,962$367,503
Distributable Amount$382,027$85,095$892,180

Giving Over Time

Total grant dollars and number of grants per year

$0$4M$7M$11M$14M46 grants202048 grants202141 grants202228 grants20236 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2024

ST JOHNS COLLEGE$12.5MQUEEN OF THE VALLEY MEDI…$1.6MUC DAVIS FOUNDATION$53KSMITHSONIAN INSTITUTION$50KCOLORADO MESA UNIVERSITY…$15KEDWARD CHARLES FOUNDATION$9K

Grant Size Distribution

169 grants across all recorded years

147<$50K17$50–100K2$100–250K$250–500K$500K–1M2$1–5M1$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include St Johns College ($12,500,000), Queen of the Valley Medical Center Fndn ($1,579,500), Uc Davis Foundation ($53,000).

RecipientPurposeAmount
COLORADO MESA UNIVERSITY FOUNDATION GRAND JUNCTION, COFINANCIAL SUPPORT FOR THE ORGANIZATION$15,420
EDWARD CHARLES FOUNDATION BEVERLY HILLS, CAFINANCIAL SUPPORT FOR THE ORGANIZATION$8,900
QUEEN OF THE VALLEY MEDICAL CENTER FNDN NAPA, CAFINANCIAL SUPPORT FOR THE ORGANIZATION$1,579,500
ST JOHNS COLLEGE SANTA FE, NMFINANCIAL SUPPORT FOR THE ORGANIZATION$12,500,000
UC DAVIS FOUNDATION DAVIS, CAFINANCIAL SUPPORT FOR THE ORGANIZATION$53,000
SMITHSONIAN INSTITUTION WASHINGTON DC, DCFINANCIAL SUPPORT FOR THE ORGANIZATION$50,000

Leadership & Key People

Leadership team and compensation from IRS filings

Warren Winiarski serves as a key figure associated with the foundation. The foundation is identified as the Winiarski Family Foundation, suggesting involvement of Warren and Barbara Winiarski.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
GREG BENNETTPRESIDENT / DIRECTOR1
STACY MADIGANSECRETARY / DIRECTOR1
THOMAS SUNIVILLECFO / DIRECTOR1

Recent News & Activity

Recent developments and announcements

The foundation has been active in recent years with several notable philanthropic initiatives:

2023

In 2023, Warren Winiarski partnered with UC Davis Library to establish the Spurrier-Winiarski Wine Writer-in-Residence Award, committing $50,000 annually for residencies in 2024 and 2025

Spurrier-Winiarski Wine Writer-in-Residence Award - UC Davis Library

The foundation has made grants supporting Colorado's wine industry

The Winiarski Family Foundation Awards Grant To Support Colorado Wine Industry

The foundation has supported multiple conservation and preservation organizations, including the Land Trust of Napa County, Napa County Open Space District, and the Jack L. Davies Napa Valley Agricultural Preservation Fund

Grants have been directed to educational institutions including UC Davis and St. John's College

Support has been provided to community organizations including If Given A Chance and The Pathway Home

Contact Information

Address: 5766 Silverado Trail, Napa, CA 94558-9413

Telephone: 707-224-8822

EIN: 26-0474242

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Winiarski Family Foundation fund?

The foundation does not maintain a publicly stated mission statement. However, based on grantmaking patterns, the foundation supports: • Conservation and preservation efforts • Wine industry advancement and research • Education and academic institutions • Community organizations and social services • Agricultural preservation • Food and wine history and writing

How do I apply for a grant from Winiarski Family Foundation?

**Grant Activity:** The foundation made 46 grants in 2023. Recent grant recipients include: • The UC Davis Foundation ($61,614 in 2023) • Save Napa Valley Foundation ($50,000 in 2023) • New Life Outreach ($35,000 in 2023) • Colorado Mesa University Foundation • Napa City-County Public Library ($25,000 in 2018) **Notable Initiatives:** • Spurrier-Winiarski UC Davis Library Wine Writer-in-Residence Award: $50,000 donations to support three-month residencies in 2024 and 2025, designed to support r…

Where does Winiarski Family Foundation make grants?

The foundation primarily funds organizations in California, with particular emphasis on Napa County and the broader Napa Valley region. However, grants have also been made to national organizations, including the Smithsonian Institution.

What size grants does Winiarski Family Foundation award?

In 2024, Winiarski Family Foundation awarded 6 grants totaling $14.2M — an average of about $2.4M per grant, based on its IRS Form 990 filings.

How much is Winiarski Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Winiarski Family Foundation reported a distributable amount of $382K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Winiarski Family Foundation's EIN?

Winiarski Family Foundation's EIN (Employer Identification Number) is 26-0474242. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

Browse active grant opportunities in Winiarski Family Foundation's focus areas in our free grants database

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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