William R Grigsby Foundation

Private foundation · Grantmaker Tustin, CA EIN: 33-0858438

William R Grigsby Foundation is a private foundation, based in Tustin, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $147K in total assets. In 2025, it awarded 1 grant totaling $50K. Net investment income was $6K.

William R Grigsby Foundation at a glance

In short: William R Grigsby Foundation gave $50K across 1 grant in 2025 (avg $50K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$50,000
Grants made (2025)
1
Average grant
$50,000
Median grant
$50,000
Total assets
$147,497
-23.2% vs 2024
Primary geography
California (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who William R Grigsby Foundation funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Swim with Mike Foundation: $50KSwim with Mike Foundation$50K

The largest 2025 recipient was Swim with Mike Foundation ($50K).

Grant Size Distribution

6 grants across all recorded years

4<$50K2$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 4 grants of 6 (67%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

Los AngelesPasadenaRancho Cucamonga

How William R Grigsby Foundation gives

  • Giving fell 23% from 2022 to 2025. Method
  • In 2025 it paid out 642% 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$20K$40K$60K$80K0 grants2020 1 grant2021 2 grants2022 2 grants2023 0 grants2024 1 grant2025

From 2021 to 2025, annual grant giving ranged from $5K (2023) to $65K (2022). In 2025 it made 1 grant totaling $50K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Swim with Mike Foundation Pasadena, CAAthletic Program$50,000
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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
2025$147,497$6,430$50,976$50,0001$50,025$5,585$7,786
2024$192,043$8,516$880——$25$7,661$9,299
2023$184,407$330$5,880$5,0002$5,025—$9,600
2022$189,957$255$65,795$65,0002$65,100—$12,240
2021$255,497$260,002$10,680$10,0001$10,680$2$801
2020$6,175$2$615———$2$324

Under IRS private-foundation payout rules, William R Grigsby Foundation reported a distributable amount of $8K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

William R Grigsby Foundation is led by Paula M Grigsby, President & Secretary since 2022 (on filings since 2020); none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Paula M Grigsby

    President & Secretary

    Secretary & Treasurer → President & Secretary, 2022

    On filings since 2020

    No compensation reported

  • Devin E Grigsby

    Director

    On filings since 2022

    No compensation reported

  • Janet Parks

    Director

    On filings since 2022

    No compensation reported

  • Geoffrey J Grigsby

    Vice President

    On filings since 2022

    No compensation reported

Former officers (2)
  • Former: James Fisgus (2020–2023) — Director
  • Former: William R Grigsby (2020–2021) — President

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 William R Grigsby Foundation

How much does William R Grigsby Foundation give each year?

William R Grigsby Foundation gave $50K across 1 grant in 2025, according to its 2025 IRS Form 990-PF.

How large is William R Grigsby Foundation?

William R Grigsby Foundation reported $147K in total assets on its 2025 IRS Form 990-PF. It paid out $50K in qualifying distributions that year, against a required minimum of $8K (roughly 5% of its investment assets).

Where does William R Grigsby Foundation operate?

William R Grigsby Foundation has awarded grants in California.

What is William R Grigsby Foundation's EIN?

William R Grigsby Foundation's EIN (Employer Identification Number) is 33-0858438. 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.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 30, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 3, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 7, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 7, 2026)

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

Figures come from William R Grigsby 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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