The Rosemary Kraemer Raitt Foundation Trust concentrates its California-focused philanthropy on a small set of regional institutions, favoring environmental stewardship, public media, biomedical research, and informal STEM education. Grants are large and targeted, often repeated to the same organizations, indicating long-term, relationship-driven support rather than broad, one-off funding. The foundation appears to prioritize mission-driven nonprofits that provide public benefit across San Diego and Southern California.
Concentrated giving: a few large grants account for the bulk of annual giving, with multiple repeat grants to the same regional organizations—suggesting sustained, relationship-based investments rather than many small, dispersed awards.
A defining feature of the Rosemary Kraemer Raitt Foundation Trust is its repeated support for The Ecology Center in San Juan Capistrano, with three grants over 2023 to 2025 totaling more than $369,000. That pattern points to a funder that builds around long-term relationships rather than one-time awards. Across its recent grants, the trust backs environmental stewardship, public media, biomedical research, local food access, and informal science learning, with most dollars staying in California. The foundation’s portfolio includes sizable support for regional nonprofits such as KPBS, La Jolla Institute for Immunology, and San Diego Children’s Discovery Museum, alongside university and community-serving organizations. Its giving style is focused and mission-oriented, with grants often directed to organizational support or charitable programs rather than narrowly defined project slices. The result is a grantmaking pattern centered on a small set of institutions that serve Southern California communities, especially in San Diego, Los Angeles, and nearby Orange County.
Environmental and community ecology work is a clear thread in the trust’s grantmaking. It gave $131,343 in 2023, $122,300 in 2024, and $115,747 in 2025 to The Ecology Center for public support of organizations mission and support charitable programs. Public media is another recurring area: KPBS received $100,000 in 2024 and another $100,000 in 2023 for public support of organizations mission, while PBS SoCal also appeared in the recent-grants list. Biomedical research is represented by La Jolla Institute for Immunology, which received $100,000 in 2025 and additional grants of $25,130 and $25,000 in prior years. The trust also funds informal STEM learning, including $50,000 to San Diego Children’s Discovery Museum in 2023 and $25,200 in 2025.
Typical awards cluster tightly around the mid-$20,000 range, with a p25 of $20,000, median of $25,000, and p75 of $31,043. The recent record shows repeated grants to the same organizations across multiple years, including several institutions funded in 2023, 2024, and 2025. That repetition suggests ongoing relationships rather than isolated gifts. The trust is a regular funder, not a DAF, and it does not fund individuals or make program-related investments. Grant purposes are usually framed as public support of organizations mission or support charitable programs, consistent with general operating or mission support.
$474K
$9.9M
$446K
$795K
Most grants fall between $20K and $31K, with a median of $25K.
25th Percentile
$20K
Median
$25K
75th Percentile
$31K
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Notable grantees: The Ecology Center, KPBS, La Jolla Institute for Immunology, San Diego Children's Discovery Museum
The trust’s giving is overwhelmingly California-centered: 82% of grants went to recipients in California, and the top state by grant count is CA. Recent grants are concentrated in San Diego, Los Angeles, La Jolla, San Juan Capistrano, and nearby cities such as Escondido, Pasadena, Santa Monica, and San Marcos. Outside California, only a small number of grants appear in the recent list, including recipients in Houston, Texas and Washington, DC. All recent grants in the dataset were made to US recipients.
Its recent grants go to environmental nonprofits, public media organizations, biomedical research institutions, food banks, youth-serving charities, and informal science education groups. Examples in the record include The Ecology Center, KPBS, La Jolla Institute for Immunology, Feeding San Diego, and San Diego Children’s Discovery Museum.
Typical grants are in the mid-$20,000 range: the p25 is $20,000, the median is $25,000, and the p75 is $31,043. The recent list also shows larger awards, including six-figure grants and several $25,000 awards.
Yes. The recent grants show repeated support to several recipients across multiple years, including The Ecology Center, KPBS, La Jolla Institute for Immunology, Los Angeles Regional Food Bank, Feeding San Diego, and Promises2Kids.
Most grants go to California recipients: 82% of grants are to organizations in the foundation’s HQ state, and California is also the top state by grant count. The recent record is especially concentrated in San Diego, Los Angeles, La Jolla, and San Juan Capistrano.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| THE ECOLOGY CENTER | SAN JUAN CAPISTRANO, CA | $115,747 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| LA JOLLA INSTITUTE FOR IMMUNOLOGY | LA JOLLA, CA | $100,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| CALIFORINA STATE UNIVERSITY SAN MARCOS | SAN MARCOS, CA | $40,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| UNDIES FOR EVERYONE | HOUSTON, TX | $25,750 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| HAMMER MUSEUM | LOS ANGELES, CA | $25,450 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| SD CHILDREN'S DISCOVERY MUSEUM | ESCONDIDO, CA | $25,200 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| SWIM WITH MIKE | PASADENA, CA | $25,020 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| FEEDING SAN DIEGO | SAN DIEGO, CA | $25,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| PROMISES2KIDS | SAN DIEGO, CA | $25,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| LOS ANGELES REGIONAL FOOD BANK | LOS ANGELES, CA | $25,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| WALDON WOODS PROJECT | LINCOLN, MA | $10,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| KCRW FOUNDATION | SANTA MONICA, CA | $10,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| ART & PRACTICE | LOS ANGELES, CA | $10,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| PBS SOCAL | LOS ANGELES, CA | $10,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| SD HUMANE SOCIETY | SAN DIEGO, CA | $1,000 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| JIT FOSTER YOUTH | SAN DIEGO, CA | $500 | 2025 | SUPPORT CHARITABLE PROGRAMS |
| THE ECOLOGY CENTER | SAN JUAN CAPISTRANO, CA | $122,300 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| KPBS | SAN DIEGO, CA | $100,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| FEEDING SAN DIEGO | SAN DIEGO, CA | $35,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| LOS ANGELES REGIONAL FOOD BANK | LOS ANGELES, CA | $32,086 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| CALIFORINA STATE UNIVERSITY SAN MARCOS | SAN MARCOS, CA | $30,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| LA JOLLA INSTITUTE FOR IMMUNOLOGY | LA JOLLA, CA | $25,130 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| PBS SOCAL | LOS ANGELES, CA | $25,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| NPR INC | WASHINGTON, DC | $25,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| PROMISES2KIDS | SAN DIEGO, CA | $25,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| UNDIES FOR EVERYONE | HOUSTON, TX | $20,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| WALDON WOODS PROJECT | LINCOLN, MA | $20,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| KCRW FOUNDATION | SANTA MONICA, CA | $10,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| HAMMER MUSEUM | LOS ANGELES, CA | $10,000 | 2024 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| THE ECOLOGY CENTER | SAN JUAN CAPISTRANO, CA | $131,343 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| KPBS | SAN DIEGO, CA | $100,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| SAN DIEGO CHILDREN'S DISCOVERY MUSEUM | ESCONDIDO, CA | $50,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| FEEDING SAN DIEGO | SAN DIEGO, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| KCRW FOUNDATION | SANTA MONICA, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| PROMISES2KIDS | SAN DIEGO, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| PBS SOCAL | LOS ANGELES, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| LA JOLLA INSTITUTE FOR IMMUNOLOGY | LA JOLLA, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| LOS ANGELES REGIONAL FOOD BANK | LOS ANGELES, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| UCLA | LOS ANGELES, CA | $25,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| HAMMER MUSEUM | LOS ANGELES, CA | $15,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| WALDON WOODS PROJECT | LINCOLN, MA | $10,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| UNDIES FOR EVERYONE | HOUSTON, TX | $6,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
| INTERFAITH FOOD BANK OF AMADOR COUNTY | JACKSON, CA | $1,000 | 2023 | PUBLIC SUPPORT OF ORGANIZATIONS MISSION |
CALIFORINA STATE UNIVERSITY SAN MARCOS
$40,000SUPPORT CHARITABLE PROGRAMS
HAMMER MUSEUM
$25,450SUPPORT CHARITABLE PROGRAMS
SUPPORT CHARITABLE PROGRAMS
WALDON WOODS PROJECT
$10,000SUPPORT CHARITABLE PROGRAMS
ART & PRACTICE
$10,000SUPPORT CHARITABLE PROGRAMS
PBS SOCAL
$10,000SUPPORT CHARITABLE PROGRAMS
SD HUMANE SOCIETY
$1,000SUPPORT CHARITABLE PROGRAMS
JIT FOSTER YOUTH
$500SUPPORT CHARITABLE PROGRAMS
CALIFORINA STATE UNIVERSITY SAN MARCOS
$30,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
PBS SOCAL
$25,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
WALDON WOODS PROJECT
$20,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
HAMMER MUSEUM
$10,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
PUBLIC SUPPORT OF ORGANIZATIONS MISSION
PBS SOCAL
$25,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
UCLA
$25,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
HAMMER MUSEUM
$15,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
WALDON WOODS PROJECT
$10,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION
INTERFAITH FOOD BANK OF AMADOR COUNTY
$1,000PUBLIC SUPPORT OF ORGANIZATIONS MISSION