The Sondheimer Foundation

Private foundation · Grantmaker Los Angeles, CA EIN: 26-3060699

The Sondheimer Foundation is a private foundation based in Los Angeles, California. Its 2025 filing reports grants to charitable organizations working in areas including humanitarian response, reproductive health, food assistance, medicine, and the arts.

The Sondheimer Foundation at a glance

In short: The Sondheimer Foundation gave $721K across 25 grants in 2025 (avg $29K), top state California. 32% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$720,825
+20.1% vs 2024
Grants made (2025)
25
+25.0% vs 2024
Average grant
$28,833
-3.9% vs 2024
Median grant
$10,000
Total assets
$1,101,201
+3.9% vs 2024
New grantees (estimate)
32% first-time grantees (8 of 25, 2025)
Primary geography
California (39% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Sondheimer Foundation

Accepts unsolicited proposals
No
How to Apply

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

Contact

Mailing address: 2346 Westwood Blvd Ste 8, Los Angeles, CA 90064
Phone: (310) 475-6861

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

Who The Sondheimer Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Americares: $100KAmericares$100KInternational Rescue Committee: $100KInternational Rescue Committee$100KACLU Foundation: $75KACLU Foundation$75KPlanned Parenthood Los Angeles: $75KPlanned Parenthood Los Angeles$75KWorld Central Kitchen: $75KWorld Central Kitchen$75KCenter for Reproductive Rights: $50KCenter for Reproductive Rights$50KLos Angeles Food Bank: $50KLos Angeles Food Bank$50KCedars-Sinai: $35KCedars-Sinai$35KCenter Theatre Group: $30KCenter Theatre Group$30KNRDC: $30KNRDC$30K

The largest 2025 recipient was Americares ($100K). Together the top 10 received $620K.

Grant Size Distribution

109 grants across all recorded years

81<$50K26$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 81 grants of 109 (74%).

Geographic Focus

Where this funder awards grants

The foundation is based in Los Angeles. In 2025, grant dollars went primarily to recipients in California (39%) and New York (36%), followed by Connecticut (14%) and Washington, DC (10%). Ohio accounted for 0% of grant dollars.

Grant Distribution by State

11states

Share of 2025 grant dollars across all 25 itemized grants.

Cities

Los AngelesNew YorkWashingtonPasadenaChicagoSanta MonicaStamfordWestwood VillageCosta MesaBostonCincinnatiDurhamHonoluluSacramentoSan MarinoSt. PaulWilmington

Is The Sondheimer Foundation open to new grantees?

32%

first-time grantees, 2025

In 2025, 8 of 25 grantees (32%) were first-time recipients. First grants averaged $5K; repeat grants $40K. How we count

Medians: $5K first-time, $30K repeat.

  • 68% of 2025 grantees were also funded in 2024. Method
  • Giving grew 26% from 2022 to 2025. Method
  • In 2025 it paid out 97% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K$800K21 grants2019 24 grants2020 20 grants2021 22 grants2022 22 grants2023 20 grants2024 25 grants2025

From 2019 to 2025, annual grant giving ranged from $406K (2019) to $721K (2025). In 2025 it made 25 grants totaling $721K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Americares Stamford, CTCharitable$100,000
International Rescue Committee New York, NYCharitable$100,000
ACLU Foundation New York, NYCharitable$75,000
Planned Parenthood Los Angeles Los Angeles, CACharitable$75,000
World Central Kitchen Washington, DCCharitable$75,000
Center for Reproductive Rights New York, NYCharitable$50,000
Los Angeles Food Bank Los Angeles, CACharitable$50,000
Cedars-Sinai Los Angeles, CAMedical$35,000
Center Theatre Group Los Angeles, CACharitable$30,000
NRDC New York, NYCharitable$30,000
Your AI grants department

Ready to take the next step with The Sondheimer 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
2025$1,101,201$923,204$882,327$720,82525$764,378$841,450$787,056
2024$1,060,324$693,802$750,624$600,07020$642,879$622,186$693,245
2023$1,117,146$542,992$699,101$564,15022$600,175$480,597$580,720
2022$1,273,255$490,266$707,408$571,02022$615,923$437,924$548,993
2021$1,490,397$206,209$581,454$458,90020$499,685$160,583$541,096
2020$1,915,642$281,574$602,954$487,51324—$243,049$435,935
2019$2,187,022$381,791$537,098$406,45021—$345,578$401,384

Under IRS private-foundation payout rules, The Sondheimer Foundation reported a distributable amount of $787K for 2025 — 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 2025 grants show support for organizations with varied missions. The International Rescue Committee says it responds to humanitarian crises and helps people affected by conflict and disaster. World Central Kitchen says it provides meals in response to humanitarian, climate, and community crises. Planned Parenthood Los Angeles says it provides reproductive health care and sexual health information through patient services, education, and advocacy.

Other 2025 recipients included Baby2Baby, which says it provides children in need with essentials such as diapers, formula, and clothing; and Geffen Playhouse, which says it provides theater productions and related programs to Los Angeles communities and UCLA students.

Grantmaking

In 2025, the foundation reported 25 grants totaling $720,825. Grant amounts ranged from $1,000 to $100,000, with a median of $10,000.

Among the largest grants were $100,000 each to Americares and the International Rescue Committee; $75,000 each to the ACLU Foundation, Planned Parenthood Los Angeles, and World Central Kitchen; and $50,000 each to the Center for Reproductive Rights and Los Angeles Food Bank.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Jane Rissman as vice president and Richard J. Sondheimer as executive director and treasury.

The Sondheimer Foundation is led by Richard J. Sondheimer, Executive Director & Treasury since 2023 (on filings since 2019); 1 of 2 officers listed in 2025 is compensated.

Officers on the 2025 filing

  • Richard J. Sondheimer

    Executive Director & Treasury

    Executive Director & Treasurer → Executive Director & Treasury, 2023

    On filings since 2019

    1 hr/week

    No compensation reported

  • Jane Rissman

    Vice President

    Second Vice President → Vice President, 2023

    On filings since 2019

    10 hrs/week

    $72K (2019) → $72K (2025)

Former officers (1)
  • Former: Ida N. Sondheimer (2019–2022) — First Vice President

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.

Compensation Overview

From 2025 IRS filing

Jane Rissman — Vice President: $72KJane RissmanVice President$72K

The highest reported compensation on the 2025 filing was $72K, to Jane Rissman (Vice President).

Frequently asked questions about The Sondheimer Foundation

How much does The Sondheimer Foundation give each year?

The Sondheimer Foundation gave $721K across 25 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $600K across 20 grants.

What is The Sondheimer Foundation's typical grant size?

The Sondheimer Foundation's median grant in 2025 was $10,000, and its average grant was $28,833, across 25 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Sondheimer Foundation that year got $5K on average.

Where does The Sondheimer Foundation give grants?

The Sondheimer Foundation's top state is California, with 39% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (36%) and Connecticut (14%). The most frequent recipient cities were Los Angeles, CA (10 grants), New York, NY (5 grants) and Costa Mesa, CA (2 grants).

Does The Sondheimer Foundation give general operating support?

Not in 2025: none of the 25 grants with a stated purpose on The Sondheimer Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (23 grants).

Who are The Sondheimer Foundation's largest grantees?

The Sondheimer Foundation's largest 2025 grantees include Americares ($100,000), International Rescue Committee ($100,000) and ACLU Foundation ($75,000), according to its 2025 IRS Form 990-PF. Together they received 38% of its itemized 2025 grant dollars.

How large is The Sondheimer Foundation?

The Sondheimer Foundation reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $764K in qualifying distributions that year, against a required minimum of $787K (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 The Sondheimer Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants show support for organizations with varied missions. The International Rescue Committee says it responds to humanitarian crises and helps people affected by conflict and disaster. See mission & focus areas ↑

How do I apply for a grant from The Sondheimer Foundation?

The foundation states that it 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 The Sondheimer Foundation's EIN?

The Sondheimer Foundation's EIN (Employer Identification Number) is 26-3060699. IRS Form 990 filing data is available on this page for 2019–2025.

Does The Sondheimer 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

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS October 30, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 28, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS July 13, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS July 13, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2024)

Explore Open Grants

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

Similar Funders

Funders with grantees in common, and similar funders in California

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

Kayne Anderson Capital Advisors

Los Angeles, CA

Philanthropy, Voluntarism & Grantmaking

Assets

$252K

Grants

252

Total Given

$770K

The Chicago Community Trust

Chicago, IL

The Chicago Community Trust funds eligible nonprofits working to narrow the wealth gap and meet urgent needs, with priorities including economic mobility, education, jobs, homeownership, and community development in metropolitan Chicago and Cook County. Its 2025 grants had a median of $26,500, though amounts varied widely; the profile does not state whether it accepts unsolicited requests.

Assets

$7.1B

Grants

4,316

Total Given

$1.2B

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

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

Marin Community Foundation

Novato, CA

Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.

Assets

$1.3B

Grants

1,573

Total Given

$186.1M

More similar funders

More Funders in California

Cite this profile

Grantable. (2026). The Sondheimer Foundation funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/the-sondheimer-foundation-morg_bc5490b5c6314000866fcccb85834e20

BibTeX
@misc{grantable_263060699_2026,
  author       = {{Grantable}},
  title        = {{The Sondheimer Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-sondheimer-foundation-morg_bc5490b5c6314000866fcccb85834e20},
  note         = {Accessed 2026-10-21. 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 Sondheimer 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.

The Sondheimer Foundation down — hundreds of funders to go?

Want AI to do this for you?