The William G Irwin Charity Foundation logo

The William G Irwin Charity Foundation

SAN FRANCISCO, CA EIN: 94-6069873 Website

The William G. Irwin Charity Foundation is a private foundation established in 1942 and based in San Francisco, California. The foundation makes capital grants to nonprofit organizations, with a primary focus on the physical improvement of humanity.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$115.2M

+3.3% YoY

Annual Giving

$10.8M

-13.3% YoY

Grant Count

117

+36.0% YoY

Avg Grant Size

$93K

-36.3% YoY

Under IRS private-foundation payout rules, The William G Irwin Charity Foundation reported a distributable amount of $5.5M 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 gives primarily for the physical improvement of humanity. It supports a wide range of organizations addressing:

  • Children and youth
  • Education
  • Health
  • Human services
  • Arts and culture

Grantmaking

Notable grants include:

Review Cycle

Friday, May 15, 2026 at 5:00 p.m. PST

How to Apply

**

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Geographic Focus

Where this funder awards grants

The foundation makes capital grants in California (with particular focus on the Bay Area) and Hawaii.

Grant Distribution by State

4states

Cities

AlamedaBelmontBerkeleyBoulder CreekBurlingameBurlingame CaCarpinteriaColmaConcordCotatiDaly CityDavisDenverEast Palo AltoEl SobranteEurekaFairfieldForestvilleGreenbraeHalf Moon Bay

Financial History

Multi-year comparison from IRS filings

As of 2024:

  • Total assets: $115,150,685
  • Total revenue: $6,113,050
  • Total expenses: $14,569,918
  • Total liabilities: $6,980,000

As of 2023:

  • Total assets: $111,000,000
  • Total revenue: $8,170,000
  • Total expenses: $14,600,000
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$5M$11M$16M$21M20202021202220232024
Metric202420232022
Total Assets$115,150,685$111,448,347$109,869,635
Revenue$6,113,050$8,173,053$6,713,898
Expenses$14,569,918$14,575,206$16,479,469
Qualifying Distributions$11,100,729$12,810,006$10,257,041
Net Investment Income$5,686,925$7,717,649$6,265,522
Distributable Amount$5,549,289$5,361,507$5,709,418

Giving Over Time

Total grant dollars and number of grants per year

$0$3M$6M$9M$13M63 grants202088 grants202182 grants202286 grants2023117 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

CHILDREN'S DAY SCHOOL$300KTHE CERES COMMUNITY PROJ…$250KDYNAMIC COMMUNITY SOLUTI…$250KA BETTER WAY INC$200KCHILD START INCORPORATED$200KCOMMUNITY HOUSING PARTNE…$200KHOMEWARD BOUND OF MARIN$200KTHE KELSEY$200KAGEWELL PACE$188KDOMESTIC VIOLENCE ACTION…$157K

Grant Size Distribution

250 grants across all recorded years

50<$50K88$50–100K93$100–250K16$250–500K3$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Children's Day School ($300,000), The Ceres Community Project ($250,000), Dynamic Community Solutions ($250,000).

RecipientPurposeAmount
A BETTER WAY INC BERKELEY, CAHEALTH AND SAFETY IMPROVEMENTS FOR A BETTER WAY HQ$200,000
A SAFE PLACE OAKLAND, CATO SUPPORT A COMMUNITY RESOURCE CENTER FOR BAY AREA FAMILIES FACING VIOLENCE AT HOME$150,000
AGEWELL PACE ROHNERT PARK, CAAGEWELL PACE CLINIC EQUIPMENT$187,805
THE ALAMEDA COUNTY COMMUNITY FOOD BANK INC OAKLAND, CAANNUAL FUNDING - FOOD BANK GRANTS$50,000
THE ALAMEDA COUNTY COMMUNITY FOOD BANK INC OAKLAND, CAGENERAL SUPPORT$50,000
THE ALAMEDA COUNTY COMMUNITY FOOD BANK INC OAKLAND, CAANNUAL FUNDING - FOOD BANK GRANTS$50,000
THE ALAMEDA COUNTY COMMUNITY FOOD BANK INC OAKLAND, CAANNUAL FUNDING - FOOD BANK GRANTS$50,000
ALOHA UNITED WAY INC HONOLULU, HIANNUAL GRANT$55,000
ARCHBISHOP MITTY HIGH SCHOOL SAN JOSE, CAFOUR-ACRE FIELD RENOVATION PROJECT$100,000
ART WORKS DOWNTOWN INC SAN RAFAEL, CAREPAIRS TO BUILDING DAMAGE FOLLOWING A STATE OF EMERGENCY$50,000

Leadership & Key People

Leadership team and compensation from IRS filings

Staff Contacts:

Board Members (as of 2023):

  • Anthony O Zanze, President
  • James F Zanze, Vice President
  • Michelle Sauger, Treasurer
  • William L Olds III, Audit Committee Chair
  • Jane Olds Bogart, Trustee

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
JANE OLDS BOGARTTRUSTEE2
WILLIAM L OLDS IIIAUDIT COMMITTEE CHAIR2
ANTHONY O ZANZEPRESIDENT2
JAMES F ZANZEVICE PRESIDENT2
MICHELLE SAUGERTREASURER2

Contact Information

Mailing Address: William G. Irwin Charity Foundation 1660 Bush Street, Suite 300 San Francisco, CA 94109

Phone: 415-561-6540

Website: williamgirwinfoundation.org

Tax Status: 501(c)(3) private foundation EIN: 94-6069873 Tax-exempt since: September 1942

Frequently Asked Questions

What does The William G Irwin Charity Foundation fund?

The foundation gives primarily for the physical improvement of humanity. It supports a wide range of organizations addressing: • Children and youth • Education • Health • Human services • Arts and culture

How do I apply for a grant from The William G Irwin Charity Foundation?

**Grant Characteristics:** • Typical award range: $5,000–$1,000,000 • Median grant amount: $100,000 • Maximum grant amount: $1,000,000 **Recent Grant Activity (2024):** Notable grants include: • Children's Day School: $300,000 (Building Dreams Together: the Campaign for Children's Day School) • St. Mary's Medical Center Foundation: $275,000 (SMMC Adolescent Behavioral Health Anti-Ligature Project) • The Ceres Community Project: $250,000 (The Center for Food, Youth & Community) Total giving in 2…

Where does The William G Irwin Charity Foundation make grants?

The foundation makes capital grants in California (with particular focus on the Bay Area) and Hawaii.

What size grants does The William G Irwin Charity Foundation award?

In 2024, The William G Irwin Charity Foundation awarded 117 grants totaling $10.8M — an average of about $93K per grant, based on its IRS Form 990 filings.

How much is The William G Irwin Charity Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The William G Irwin Charity Foundation reported a distributable amount of $5.5M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The William G Irwin Charity Foundation's EIN?

The William G Irwin Charity Foundation's EIN (Employer Identification Number) is 94-6069873. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

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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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