Casillas Foundation

Private foundation · Grantmaker La Jolla, CA EIN: 94-3107207

Casillas Foundation is a private foundation filing Form 990-PF and based in La Jolla, California. In 2024, it reported nine grants totaling $165,000, all designated for general operations.

Casillas Foundation at a glance

In short: Casillas Foundation gave $165K across 9 grants in 2024 (avg $18K), top state California. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$165,000
-5.7% vs 2023
Grants made (2024)
9
-50.0% vs 2023
Average grant
$18,333
+88.6% vs 2023
Median grant
$20,000
Total assets
$2,297,858
+14.2% vs 2023
Primary geography
California (32% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

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

How to apply to Casillas Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 7946 Ivanhoe Avenue 302, La Jolla, CA 92307-4518
Phone: (858) 459-1930

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Casillas Foundation funds

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2024

Focus Mission Foundation: $25KFocus Mission Foundation$25KInstitute for Family Studies: $25KInstitute for Family Studies$25KMiles Christi: $25KMiles Christi$25KWitherspoon Institute: $25KWitherspoon Institute$25KBecket Fund for Religious Liberty: $20KBecket Fund for ReligiousLiberty$20KBerkeley Institute: $20KBerkeley Institute$20KLeonine Forum: $15KLeonine Forum$15KInstitute of Reproductive Grief Care: $8KInstitute of ReproductiveGrief Care$8KPhilantropy Roundtable: $3KPhilantropy Roundtable$3K

The largest 2024 recipient was Focus Mission Foundation ($25K). Together the top 9 received $165K.

Grant Size Distribution

73 grants across all recorded years

73<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 73 grants of 73 (100%).

Geographic Focus

Where this funder awards grants

In 2024, California received 32% of grant dollars, Washington, D.C. 23%, and Colorado, Virginia, and New Jersey 15% each.

Grant Distribution by State

13states

Share of 2024 grant dollars across all 9 itemized grants.

Cities

San DiegoWashingtonNew YorkBerkeleyCharlottesvillePrincetonArlingtonChicagoEl CajonGoldenGreenwood VillageLa JollaPhiladelphiaSan FranciscoSouth LyonWasingtonWilmingtonAtchisonAustinDenver

How Casillas Foundation gives

  • Giving held roughly steady from 2021 to 2024 (+14%). Method
  • In 2024 it paid out 94% 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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K21 grants2020 11 grants2021 14 grants2022 18 grants2023 9 grants2024

From 2020 to 2024, annual grant giving ranged from $144K (2021) to $175K (2023). In 2024 it made 9 grants totaling $165K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Focus Mission Foundation Golden, COGeneral Operations$25,000
Institute for Family Studies Charlottesville, VAGeneral Operations$25,000
Miles Christi San Diego, CAGeneral Operations$25,000
Witherspoon Institute Princeton, NJGeneral Operations$25,000
Becket Fund for Religious Liberty Washington, DCGeneral Operations$20,000
Berkeley Institute Berkeley, CAGeneral Operations$20,000
Leonine Forum Washington, DCGeneral Operations$15,000
Institute of Reproductive Grief Care San Diego, CAGeneral Operations$7,500
Philantropy Roundtable Wasington, DCGeneral Operations$2,500
Your AI grants department

Ready to take the next step with Casillas Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$2,297,858$79,713$231,800$165,0009$166,843$72,871$178,394
2023$2,012,659$171,402$217,584$175,00018$176,971$30,789$169,632
2022$1,922,496$125,223$242,205$172,00014$173,745$48,478$171,675
2021$2,083,059$118,317$211,414$144,45011$146,127$103,105$174,619
2020$2,227,215$263,556$232,474$160,00021—$115,828$146,865

Under IRS private-foundation payout rules, Casillas Foundation reported a distributable amount of $178K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants supported charitable organizations, including the Witherspoon Institute, whose stated mission is “Research, education, and public awareness of the political, moral and philosophical principles of free and democratic societies.”

Grantmaking

In 2024, the foundation gave $165,000 through nine grants. Grant amounts ranged from $2,500 to $25,000, with a median of $20,000. The largest grants were $25,000 each to Focus Mission Foundation, Institute for Family Studies, Miles Christi, and Witherspoon Institute. Other grants included $20,000 to Becket Fund for Religious Liberty and Berkeley Institute, and $15,000 to Leonine Forum.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Frederic Clark as president; Margaret Nolan Clark as vice president/secretary; and Sean Fieler, Greg Pfundstein, Rev Anthony J Saroki, William Mumma, and Jeremy Beer as directors.

Casillas Foundation is led by Frederic Clark, President on every filing since 2020; none of the 7 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Frederic Clark

    President

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Anthony J. Saroki

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Greg Pfundstein

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Sean Fieler

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • William Mumma

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Jeremy Beer

    Director

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Margaret Nolan Clark

    Vice President & Secretary

    On filings since 2020

    2 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 Casillas Foundation

How much does Casillas Foundation give each year?

Casillas Foundation gave $165K across 9 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $175K across 18 grants.

What is Casillas Foundation's typical grant size?

Casillas Foundation's median grant in 2024 was $20,000, and its average grant was $18,333, across 9 grants on its 2024 IRS Form 990-PF.

Where does Casillas Foundation give grants?

Casillas Foundation's top state is California, with 32% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were District of Columbia (23%) and Colorado (15%). The most frequent recipient cities were Washington, DC (2 grants) and San Diego, CA (2 grants).

Does Casillas Foundation give general operating support?

Yes: 100% of Casillas Foundation's 2024 grants with a stated purpose (9 of 9) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Casillas Foundation's largest grantees?

Casillas Foundation's largest 2024 grantees include Focus Mission Foundation ($25,000), Institute for Family Studies ($25,000) and Miles Christi ($25,000), according to its 2024 IRS Form 990-PF. Together they received 45% of its itemized 2024 grant dollars.

How large is Casillas Foundation?

Casillas Foundation reported $2.3M in total assets on its 2024 IRS Form 990-PF. It paid out $167K in qualifying distributions that year, against a required minimum of $178K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does Casillas Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants supported charitable organizations, including the Witherspoon Institute, whose stated mission is “Research, education, and public awareness of the political, moral and philosophical principles of free and democratic societies.” See mission & focus areas ↑

How do I apply for a grant from Casillas Foundation?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Casillas Foundation's EIN?

Casillas Foundation's EIN (Employer Identification Number) is 94-3107207. IRS Form 990 filing data is available on this page for 2020–2024.

Does Casillas Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in Casillas Foundation's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in California

Knights of Columbus Charitable Fund Inc

New Haven, CT

The fund supports Catholic organizations and other charities whose missions align with Catholic teachings, primarily through donor-advised grants; 2024 awards had a median of $16,250, though amounts varied widely. Its grants went to organizations across the United States, with the largest shares in Washington, DC, Ohio, Connecticut, Virginia, and California. It does not accept unsolicited grant applications.

Philanthropy, Voluntarism & Grantmaking

Assets

$127.1M

Grants

358

Total Given

$77.1M

The Lynde and Harry Bradley Foundation Inc

Milwaukee, WI

The Lynde and Harry Bradley Foundation funds nonprofits advancing constitutional principles, free markets, civil society, and informed citizens, including work in education, culture, and public policy. Its 2024 median grant was $100,000, and it funds in Wisconsin and elsewhere in the United States; it accepts letters of inquiry on an ongoing basis through its online system.

Philanthropy, Voluntarism & Grantmaking

Assets

$993.4M

Grants

361

Total Given

$56.5M

Bradley Impact Fund Inc

Milwaukee, WI

Bradley Impact Fund supports people and nonprofits advancing conservative ideas and public policy through research, public education, advocacy, and implementation, with grants ranging from $100 to over $10 million and a 2024 median of $14,250. It funds locally, regionally, and nationwide; prospective recipients are directed to the Bradley Foundation’s two-step application process, but the profile does not state whether unsolicited requests are accepted.

Philanthropy, Voluntarism & Grantmaking

Assets

$200.3M

Grants

402

Total Given

$47.9M

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

Philanthropy, Voluntarism & Grantmaking

Assets

$12.3B

Grants

3,576

Total Given

$3.2B

California Community Foundation

Los Angeles, CA

The California Community Foundation supports nonprofits through discretionary and donor-directed grants, with discretionary priorities including education, health, housing and immigration, alongside other areas such as arts, civic engagement and economic opportunity. Its 2025 grants had a median of $50,000, and its work is focused on Los Angeles County; prospective discretionary applicants are asked to contact the relevant program officer before submitting a letter of intent.

Assets

$2.3B

Grants

2,174

Total Given

$326.6M

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.

Philanthropy, Voluntarism & Grantmaking

Assets

$14.2B

Grants

2,001

Total Given

$625.0M

More similar funders

More Funders in California

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

Figures come from Casillas 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.

Casillas Foundation down — hundreds of funders to go?

Want AI to do this for you?