The Zaffaroni Foundation

Foundation · Grantmaker Menlo Park, CA EIN: 94-6100109
Arts and cultureEducationHigher educationHuman servicesYouth development

The Zaffaroni Foundation is a private foundation focused on Arts and culture, based in Menlo Park, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2.7M in total assets. In 2025, it awarded 4 grants totaling $16K. Net investment income was $165K.

Key facts about The Zaffaroni Foundation

In short: The Zaffaroni Foundation gave $16K across 4 grants in 2025 (avg $4K), mostly in California. Source: 2025 IRS Form 990-PF.

EIN
94-6100109
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$16,000
Grants made (2025)
4
Average grant
$4,000
Median grant
$2,000
Total assets
$2,693,357
Primary geography
California (63% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$2.7M

+5.4% YoY

Annual Giving

$16K

-94.4% YoY

Grant Count

4

+33.3% YoY

Avg Grant Size

$4K

-95.8% YoY

Under IRS private-foundation payout rules, The Zaffaroni Foundation reported a distributable amount of $280K for 2025 — the minimum it must pay out in qualifying distributions.

How The Zaffaroni Foundation gives

  • Giving fell 96% from 2022 to 2025. Method
  • In 2025 it paid out 6% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of all 4 itemized 2025 grant dollars.

Cities

AshlandMenlo ParkPalo AltoBerkeleySan FranciscoSan RafaelMedfordRedwood CitySacramentoSeattleStanford

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K$400K7 grants20205 grants20218 grants20224 grants20233 grants20244 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2025

Stanford University: $10KStanford University$10KAshland Parks Foundation: $2KAshland Parks Foundation$2KFrom Hiroshima to Hope: $2KFrom Hiroshima to Hope$2KPeace House: $2KPeace House$2K

Grant Size Distribution

24 grants across all recorded years

17<$50K2$50–100K4$100–250K1$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
STANFORD UNIVERSITY Stanford, CARESEARCH IN DERMATOLOGY$10,000
Ashland Parks Foundation Ashland, ORGift in support of Forestry trail and open space$2,000
FROM HIROSHIMA TO HOPE Seattle, WAGIFT OF SUPPORT OF PROGRAM$2,000
PEACE HOUSE Ashland, ORGIFT IN SUPPORT OF THE EMPTY BOWLS BENIFIT$2,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$200K$400K$600K202020212022202320242025
Metric202520242023
Total Assets$2,693,357$2,554,943$2,671,411
Revenue$164,895$176,565$166,420
Expenses$26,481$293,033$193,268
Qualifying Distributions$16,000$285,000$180,000
Net Investment Income$164,895$173,666$160,771
Distributable Amount$280,323$263,287$268,582

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS August 4, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

The Zaffaroni Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Alejandro A. Zaffaroni

    Director

    On filings since 2020

    No compensation reported

  • Leah Zaffaroni

    Director

    On filings since 2020

    No compensation reported

  • Lida Zaffaroni

    Director

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Zaffaroni Foundation

How much does The Zaffaroni Foundation give each year?

The Zaffaroni Foundation gave $16K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $285K across 3 grants.

What is The Zaffaroni Foundation's typical grant size?

The Zaffaroni Foundation's median grant in 2025 was $2,000, and its average grant was $4,000, across 4 grants on its 2025 IRS Form 990-PF.

Where does The Zaffaroni Foundation give grants?

The Zaffaroni Foundation gives mostly in California: 63% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Oregon (25%) and Washington (13%). The most frequent recipient cities were Ashland, OR (2 grants).

Does The Zaffaroni Foundation give general operating support?

Not in 2025: none of the 4 grants with a stated purpose on The Zaffaroni Foundation's 2025 IRS Form 990-PF were described as general or operating support.

How large is The Zaffaroni Foundation?

The Zaffaroni Foundation reported $2.7M in total assets on its 2025 IRS Form 990-PF. It paid out $16K in qualifying distributions that year, against a required minimum of $280K (roughly 5% of its investment assets).

What is The Zaffaroni Foundation?

The Zaffaroni Foundation is a private foundation focused on Arts and culture, based in Menlo Park, CA. It holds $2.7M in total assets as of 2025.

What is The Zaffaroni Foundation's EIN?

The Zaffaroni Foundation's EIN (Employer Identification Number) is 94-6100109. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

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