Pat & Mark Warren Family Foundation

Private foundation · Grantmaker Claremont, CA EIN: 20-0727663

Pat & Mark Warren Family Foundation is a private foundation, based in Claremont, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $288K in total assets. In 2025, it awarded 5 grants totaling $28K. Net investment income was $7K.

Pat & Mark Warren Family Foundation at a glance

In short: Pat & Mark Warren Family Foundation gave $28K across 5 grants in 2025 (avg $6K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$28,000
-18.8% vs 2024
Grants made (2025)
5
-16.7% vs 2024
Average grant
$5,600
-2.6% vs 2024
Median grant
$5,000
Total assets
$288,439
-3.3% 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 Pat & Mark Warren Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

Ability First: $10KAbility First$10KPomona Valley Hospital Medical: $10KPomona Valley Hospital Medical$10KCASA Colina Foundation: $5KCASA Colina Foundation$5KPBS Socal: $2KPBS Socal$2KClasp: $1KClasp$1K

The largest 2025 recipient was Ability First ($10K). Together the top 5 received $28K.

Grant Size Distribution

34 grants across all recorded years

34<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 34 grants of 34 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 5 itemized grants.

Cities

PomonaClaremontLa VerneMontclairPasadenaCosta MesaArcadiaEast SandwichOntarioUplandWashington

How Pat & Mark Warren Family Foundation gives

  • Giving held roughly steady from 2022 to 2025 (+9%). 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$40K11 grants2019 15 grants2020 7 grants2021 8 grants2022 8 grants2023 6 grants2024 5 grants2025

From 2019 to 2025, annual grant giving ranged from $19K (2021) to $35K (2024). In 2025 it made 5 grants totaling $28K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Ability First Pasadena, CAProvide Services for Disabled People$10,000
Pomona Valley Hospital Medical Pomona, CASupports Local Hospital$10,000
CASA Colina Foundation Pomona, CARehabiliatation or Support Services$5,000
PBS Socal Costa Mesa, CASupport Public TV, Educational Prog$2,000
Clasp Claremont, CACusd After School Tutoring, Assistan$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 Income
2025$288,439$20,269$30,065$28,0005$28,000$6,602
2024$298,235$23,399$36,519$34,5006$34,500$6,456
2023$311,355$10,871$34,698$32,6008$32,600$6,255
2022$335,182$30,743$27,976$25,8008$25,800$5,546
2021$332,415$32,155$21,763$19,2507$19,250$5,269
2020$322,023$12,651$79,490$33,10015—$3,411
2019$388,862$385,461$23,926$22,53011—$461

Leadership & Key People

Officers and directors from IRS filings

Pat & Mark Warren Family Foundation is led by Mark A. Warren, President on every filing since 2019; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Mark A. Warren

    President

    On filings since 2019

    No compensation reported

  • Daniel J. Ponting

    Director

    On filings since 2019

    No compensation reported

  • Sarah Ponting

    Director

    On filings since 2019

    No compensation reported

  • Patricia R. Warren

    Vice President

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "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 Pat & Mark Warren Family Foundation

How much does Pat & Mark Warren Family Foundation give each year?

Pat & Mark Warren Family Foundation gave $28K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $35K across 6 grants.

What is Pat & Mark Warren Family Foundation's typical grant size?

Pat & Mark Warren Family Foundation's median grant in 2025 was $5,000, and its average grant was $5,600, across 5 grants on its 2025 IRS Form 990-PF.

Where does Pat & Mark Warren Family Foundation give grants?

Pat & Mark Warren Family Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Pomona, CA (2 grants).

Does Pat & Mark Warren Family Foundation give general operating support?

Not in 2025: none of the 5 grants with a stated purpose on Pat & Mark Warren Family Foundation's 2025 IRS Form 990-PF were described as general or operating support.

Who are Pat & Mark Warren Family Foundation's largest grantees?

Pat & Mark Warren Family Foundation's largest 2025 grantees include Ability First ($10,000), Pomona Valley Hospital Medical ($10,000) and CASA Colina Foundation ($5,000), according to its 2025 IRS Form 990-PF. Together they received 89% of its itemized 2025 grant dollars.

How large is Pat & Mark Warren Family Foundation?

Pat & Mark Warren Family Foundation reported $288K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $20K.

What is Pat & Mark Warren Family Foundation's EIN?

Pat & Mark Warren Family Foundation's EIN (Employer Identification Number) is 20-0727663. IRS Form 990 filing data is available on this page for 2019–2025.

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

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS April 1, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS August 19, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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

Figures come from Pat & Mark Warren Family 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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