Cecil and Setsuko Tiffin Private Foundation

Private foundation · Grantmaker Chino Hills, CA EIN: 46-2027493

Cecil and Setsuko Tiffin Private Foundation is a private foundation focused on Environment & Animals, based in Chino Hills, CA. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $220K in total assets. Net investment income was $22K.

Cecil and Setsuko Tiffin Private Foundation at a glance

Total assets
$219,951
+21.2% vs 2023
Revenue (2024)
$46,971
+8487.0% vs 2023
Net investment income (2024)
$22,030
+23.0% vs 2023
Expenses (2024)
$8,477
-82.2% vs 2023
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026.

Who Cecil and Setsuko Tiffin Private Foundation funds

How this funder distributes its grants

Grant Size Distribution

6 grants across all recorded years

6<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 6 grants of 6 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Cities

Chino HillsPomerene

How Cecil and Setsuko Tiffin Private Foundation gives

  • In 2023 it paid out 117% of its IRS minimum distribution (the 5% rule). Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40K2 grants2021 2 grants2022 2 grants2023 0 grants2024

From 2021 to 2023, annual grant giving ranged from $26K (2022) to $36K (2021). In 2023 it made 2 grants totaling $31K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Red Bucket Rescue Chino Hills, CARescuing and Rehabbing Horses$20,000
Cochise Canine Rescue Pomerene, AZCanine Rescue and Rehab$10,600
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$219,951$46,971$8,477———$22,030$25,719
2023$181,457$547$47,656$30,6002$30,600$17,915$26,064
2022$228,807$-19,436$72,490$26,0002$26,000$17,353$30,649
2021$321,172$80,775$83,699$36,0002$36,000$30,022$35,739

Under IRS private-foundation payout rules, Cecil and Setsuko Tiffin Private Foundation reported a distributable amount of $26K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Cecil and Setsuko Tiffin Private Foundation is led by Robert Lewis, President on every filing since 2021; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Robert Lewis

    President

    On filings since 2021

    No compensation reported

  • Chad Lewis

    Vice President

    On filings since 2021

    No compensation reported

Data from IRS Form 990 filings, 2021–2024. "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 Cecil and Setsuko Tiffin Private Foundation

How large is Cecil and Setsuko Tiffin Private Foundation?

Cecil and Setsuko Tiffin Private Foundation reported $220K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $47K.

What is Cecil and Setsuko Tiffin Private Foundation?

Cecil and Setsuko Tiffin Private Foundation is a private foundation focused on Environment & Animals, based in Chino Hills, CA. It holds $220K in total assets as of 2024.

Where does Cecil and Setsuko Tiffin Private Foundation operate?

Cecil and Setsuko Tiffin Private Foundation has awarded grants in Arizona, California.

How much is Cecil and Setsuko Tiffin Private Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Cecil and Setsuko Tiffin Private Foundation reported a distributable amount of $26K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Cecil and Setsuko Tiffin Private Foundation's EIN?

Cecil and Setsuko Tiffin Private Foundation's EIN (Employer Identification Number) is 46-2027493. IRS Form 990 filing data is available on this page for 2021–2024.

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

Data update history

(5)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 11, 2022)
  2. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 17, 2023)
  3. Updated Form 990-PF for fiscal year 2023 (received by the IRS November 15, 2024)
  4. Updated Form 990-PF for fiscal year 2024 (received by the IRS November 13, 2025)
  5. IRS filings on file for fiscal years 2021–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Cecil and Setsuko Tiffin Private Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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