The Robert & Joan Masterson

Private foundation · Grantmaker Palm Desert, CA EIN: 36-3535813

The Robert & Joan Masterson is a private foundation focused on Health, based in Palm Desert, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $137K in total assets. In 2025, it awarded 2 grants totaling $51K. Net investment income was $8K.

The Robert & Joan Masterson at a glance

In short: The Robert & Joan Masterson gave $51K across 2 grants in 2025 (avg $26K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$51,000
-49.0% vs 2024
Grants made (2025)
2
+100.0% vs 2024
Average grant
$25,500
-74.5% vs 2024
Median grant
$25,500
Total assets
$136,663
-23.9% 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 The Robert & Joan Masterson funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Scripps Health Foundation: $50KScripps Health Foundation$50KBighorn Golf Club Charity: $1KBighorn Golf Club Charity$1K

The largest 2025 recipient was Scripps Health Foundation ($50K). Together the top 2 received $51K.

Grant Size Distribution

12 grants across all recorded years

10<$50K1$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 10 grants of 12 (83%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of 2025 grant dollars across all 2 itemized grants.

Cities

Palm DesertLa JollaIndianapolisPacific PalisadesPensacolaRancho Santa FeSan DiegoSaratoga Springs

How The Robert & Joan Masterson gives

  • Giving grew 183% from 2022 to 2025. Method
  • In 2025 it paid out 320% 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$25K$50K$75K$100K3 grants2021 5 grants2022 1 grant2023 1 grant2024 2 grants2025

From 2021 to 2025, annual grant giving ranged from $1K (2023) to $100K (2024). In 2025 it made 2 grants totaling $51K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Scripps Health Foundation La Jolla, CAUndesignated$50,000
Bighorn Golf Club Charity Palm Desert, CAUndesignated$1,000
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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$136,663$8,861$51,728$51,0002$51,000$8,173$15,948
2024$179,530$3,075$100,787$100,0001$100,000$2,337$16,463
2023$277,242$3,137$1,672$1,0001$1,000$2,482$17,756
2022$275,777$1,521$18,558$18,0005$18,000$968$17,537
2021$292,814$1,517$34,947$34,5003—$946$17,665

Under IRS private-foundation payout rules, The Robert & Joan Masterson reported a distributable amount of $16K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Robert & Joan Masterson is led by Robert E. Masterson, President & Treasurer on every filing since 2021; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Robert E. Masterson

    President & Treasurer

    On filings since 2021

    No compensation reported

  • C. Douglas Masterson

    Trustee

    On filings since 2021

    No compensation reported

  • Joan A. Masterson

    V.p. & Sec'y

    On filings since 2021

    No compensation reported

Data from IRS Form 990 filings, 2021–2025. "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 Robert & Joan Masterson

How much does The Robert & Joan Masterson give each year?

The Robert & Joan Masterson gave $51K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $100K across 1 grant.

How large is The Robert & Joan Masterson?

The Robert & Joan Masterson reported $137K in total assets on its 2025 IRS Form 990-PF. It paid out $51K in qualifying distributions that year, against a required minimum of $16K (roughly 5% of its investment assets).

What is The Robert & Joan Masterson?

The Robert & Joan Masterson is a private foundation focused on Health, based in Palm Desert, CA. It holds $137K in total assets as of 2025.

Where does The Robert & Joan Masterson operate?

The Robert & Joan Masterson has awarded grants in California, Florida, Indiana, New York.

What is The Robert & Joan Masterson's EIN?

The Robert & Joan Masterson's EIN (Employer Identification Number) is 36-3535813. IRS Form 990 filing data is available on this page for 2021–2025.

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

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2025

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Cite this profile

Grantable. (2026). The Robert & Joan Masterson funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/the-robert-and-joan-masterson-morg_191e40ab47a94b8dab7181aa1c072df4

BibTeX
@misc{grantable_363535813_2026,
  author       = {{Grantable}},
  title        = {{The Robert \& Joan Masterson funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-robert-and-joan-masterson-morg_191e40ab47a94b8dab7181aa1c072df4},
  note         = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from The Robert & Joan Masterson'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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