funder-graph

FundersCA

Grants paid by Arrillaga Foundation

EIN 94-2460896 · Palo Alto, CA · Form 990-PF, Part XV

Arrillaga Foundation of Palo Alto, CA (EIN 94-2460896) reported 99 grants paid totaling $35,627,774 to 77 recipients in tax years 2018–2024, on Form 990-PF, Part XV. It also reported $5,000,000 approved for future payment, which is listed separately and not included in the total. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.

Grants paid

$35,627,774

99 grants

Recipients

77

distinct organizations

Tax years

2018–2024

6 filings in the corpus

Approved for future payment

$5,000,000

1 commitment · not included in grants paid

By tax year

Grants by tax year, as the same figures
Tax yearGrants paidAmount paidApproved for future
20182$35,000
20199$727,200
202015$1,471,000
20228$15,528,071
202312$8,415,503
202453$9,451,000$5,000,000

Top recipients

The 77 recipients receiving the most from Arrillaga Foundation, by grants paid, out of 77 distinct recipients.

Recipients ranked by total grants paid
RecipientMatchLocationGrantsTotal paidLatest year
Woodside Fire FoundationUWoodside, CA1$10,000,0002022
Iolani School 99-0073502BHonolulu, HI1$5,000,0002023
Menlo College 94-3204136BAtherton, CA3$4,498,5742023
San Mateo County Sheriff's Office Foundation 99-1117508BRedwood City, CA1$3,500,0002024
Brown UniversityUProvidence, RI2$2,500,0002024
Stanford University 26-4580872CStanford, CA4$1,961,2002023
Lucile Packard Foundation for Children's Health 77-0440090BPalo Alto, CA2$1,500,0002024
The Teak Fellowship 13-4011465BNew York, NY4$1,175,0002024
The Daniel R Sayre Memorial Foundation 26-1097159BKailuakona, HI1$1,000,0002023
Cambodian Children's Fund 20-0764162BSanta Monica, CA1$400,0002024
President and Fellows of Harvard College 04-2103580CBoston, MA1$350,0002024
Caf America - Mca Australia Mehretu ExhibitionUAlexandria, VA1$264,0002024
West Maui Improvement Foundation 99-0275775BLahaina, HI1$250,0002024
The UCLA Foundation 95-2250801BLos Angeles, CA1$250,0002024
Silicon Valley Social Venture Fund - Sv2 51-0644783CRedwood City, CA2$235,0002024
Ready to Succeed 83-2282113CSanta Monica, CA1$200,0002024
Vision to Learn 45-3457853BLos Angeles, CA1$200,0002024
QuestbridgeUPalo Alto, CA1$150,0002024
Ballroom Marfa 20-0126402BMarfa, TX2$147,0002024
Valley Medical CenterUSan Jose, CA1$125,0002020
Storycorps 13-3753011BBrooklyn, NY1$100,0002024
Maccabi USA Inc 13-1810938BPhiladelphia, PA1$100,0002024
Sunnyvale Community Services 94-1713897CSunnyvale, CA1$100,0002020
Downtown Women's Center 31-1597223BLos Angeles, CA1$100,0002024
Loyola Marymount UniversityULos Angeles, CA1$100,0002024
Morningside High Monarchs Alumni Association 26-4715727DTorrance, CA1$100,0002020
Israel Tennis Centers Foundation Inc 13-2961273BNew York, NY1$100,0002024
Kapi'olani Health Foundation 99-0246364BHonolulu, HI1$50,0002024
Boston Children's HospitalUBoston, MA1$50,0002024
Hawai'i Foodbank 99-0220699BHonolulu, HI1$50,0002024
Cedars-Sinai Medical Center 95-1644600BLos Angeles, CA1$50,0002024
Gigi's Playhouse NYC 27-2919866CNew York, NY1$50,0002024
University of Washington Foundation 94-3079432BSeattle, WA1$50,0002024
The Peninsula Bridge Program 94-3226017BSan Mateo, CA1$50,0002024
Harvard-Westlake School 95-1644019BStudio City, CA1$50,0002024
Al Wooten Jr Youth Center 95-4295918BLos Angeles, CA1$50,0002024
Pacific American Foundation 54-1696134BKailua, HI1$50,0002024
Association to Benefit Children 13-3303089BNew York, NY1$50,0002024
Christmas Bureau of Palo AltoUPalo Alto, CA4$40,0002024
Ronald Mcdonald House Charities of Hawaii 99-0222124BHonolulu, HI1$35,0002024
Jasper Ridge Farm 27-2304675CPortola Valley, CA3$30,0002023
Determined to Succeed 82-1454808BSanta Monica, CA1$25,0002024
San Francisco Ballet 94-1415298CSan Francisco, CA1$25,0002020
Vista Center for the Blind and Visually Impaired 94-1196206BPalo Alto, CA2$25,0002020
San Francisco General Hospital Foundation 94-3189424BSan Francisco, CA1$25,0002024
The John Thomas Dye School 95-1722221BLos Angeles, CA1$25,0002024
A Tavola Together Foundation 26-1327553CStockton, CA1$25,0002020
Legal Outreach Inc 13-3214627BLong Island City, NY1$25,0002024
Silicon Valley Creates 94-2825213BSan Jose, CA1$25,0002020
Cerebral Palsy Soccer Inc 82-1749574BIrvington, NY1$25,0002024
Food Allergy Research & Education 13-3905508BMclean, VA1$25,0002024
World Connect Inc 56-2525151BNew York, NY1$20,0002024
Embarcadero Media Foundation 85-0941500BPalo Alto, CA2$20,0002023
Brooklyn Debate League 88-3150937BBrooklyn, NY1$20,0002024
Palo Alto Weekly Holiday FundUPalo Alto, CA2$20,0002019
Our Brother's Home 26-4196602BMountain View, CA2$20,0002023
Accessurf Hawaii 20-4420646BHonolulu, HI1$15,0002024
Achieve Tahoe 68-0024920BTruckee, CA1$15,0002024
Kids & Art Foundation 27-1415727BBurlingame, CA1$15,0002024
RiseULos Altos, CA1$15,0002019
Hawaii Performing Arts Company 99-0148833CHonolulu, HI1$15,0002024
Silicon Valley Community Foundation 20-5205488CMountain View, CA1$10,0002020
Education Pioneers Inc 77-0602311BBoston, MA1$10,0002024
Canine Companions for Independence 94-2494324BSanta Rosa, CA1$10,0002020
Palo Alto Community Child Care 94-2242823BPalo Alto, CA1$10,0002020
Palo Alto Weekly Holiday Fund (embarcadero Media Foundation)UPalo Alto, CA1$10,0002024
Ascrs FoundationUFairfax, VA1$10,0002019
Co-Cathedral of St Theresa Church of the Child JesusUHonolulu, HI1$10,0002024
Operation Freedom Paws 45-2566382BGilroy, CA1$10,0002023
Uc Santa Barbara Foundation 23-7314834BSanta Barbara, CA1$10,0002024
A'ali'i MentoringUHonolulu, HI1$10,0002024
Pacific Legal Foundation 94-2197343BSacramento, CA2$10,0002023
Caminar 94-1639389BSan Mateo, CA1$10,0002024
The Britton Fund Inc 68-0634735BPorterville, CA1$10,0002022
Chp 11-99 Foundation 95-6530738BCosta Mesa, CA1$10,0002020
Bay Shore Lyric Opera 94-2737425CSaratoga, CA1$1,0002019
Palo Alto Medical FoundationUPalo Alto, CA1$1,0002020

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Every grant

All 100 grant rows this organization reported, most recent first.

Grants reported by Arrillaga Foundation
Tax yearRecipientMatchAmountTypePurposeSource filing
2024Iolani School Honolulu, HIB$5,000,000approved, futureBUILDING NEW STUDENT CENTER202503079349101720
2024San Mateo County Sheriff's Office Foundation Redwood City, CAB$3,500,000paidCONSTRUCTION OF THE NEW SAN MATEO COUNTY SHERIFF'S OFFICE202503079349101720
2024The Teak Fellowship New York, NYB$1,000,000paidTHE MARC E. BECKER ENDOWMENT FOR LEADERSHIP AND PROFESSIONAL DEVELOPMENT202503079349101720
2024Brown University Providence, RIU$500,000paidPAID STUDENT LEARNING OPPORTUNITIES202503079349101720
2024Lucile Packard Foundation for Children's Health Palo Alto, CAB$500,000paidDR. JENNY FRANKOVICH'S PANS INFECTION RESEARCH202503079349101720
2024Cambodian Children's Fund Santa Monica, CAB$400,000paidEDUCATIONAL PROGRAMMING202503079349101720
2024President and Fellows of Harvard College Boston, MAC$350,000paidHARVARD T.H. CHAN SCHOOL OF PUBLIC HEALTH - FOOD ALLERGY STUDY & RESEARCH202503079349101720
2024Caf America - Mca Australia Mehretu Exhibition Alexandria, VAU$264,000paidGENERAL SUPPORT202503079349101720
2024West Maui Improvement Foundation Lahaina, HIB$250,000paidOLOWALU FIRESTATION FUNDRAISER202503079349101720
2024The UCLA Foundation Los Angeles, CAB$250,000paidTHE RAPE TREATMENT CENTER - GENERAL SUPPORT202503079349101720
2024Vision to Learn Los Angeles, CAB$200,000paidGENERAL SUPPORT202503079349101720
2024Ready to Succeed Santa Monica, CAC$200,000paidREADY TO SUCCEED ALUMNI AND EARLY CAREER ENGAGEMENT PROGRAM202503079349101720
2024Silicon Valley Social Venture Fund - Sv2 Redwood City, CAC$150,000paidGENERAL OPERATING202503079349101720
2024Questbridge Palo Alto, CAU$150,000paidFEASIBILITY STUDY PROGRAM202503079349101720
2024Ballroom Marfa Marfa, TXB$100,000paidGENERAL SUPPORT202503079349101720
2024Downtown Women's Center Los Angeles, CAB$100,000paidGENERAL SUPPORT202503079349101720
2024The Teak Fellowship New York, NYB$100,000paidCATS AND SWIM PROGRAMS202503079349101720
2024Israel Tennis Centers Foundation Inc New York, NYB$100,000paidGENERAL SUPPORT202503079349101720
2024Maccabi USA Inc Philadelphia, PAB$100,000paidFINANCIAL AID ENDOWMENT202503079349101720
2024Storycorps Brooklyn, NYB$100,000paidGENERAL SUPPORT202503079349101720
2024Loyola Marymount University Los Angeles, CAU$100,000paidLOYOLA PROJECT FOR THE INNOCENT PROGRAM202503079349101720
2024Silicon Valley Social Venture Fund - Sv2 Redwood City, CAC$85,000paidGENERAL OPERATING202503079349101720
2024The Peninsula Bridge Program San Mateo, CAB$50,000paidGENERAL SUPPORT202503079349101720
2024Kapi'olani Health Foundation Honolulu, HIB$50,000paidABBIE VARA PEDIATRIC SERVICES FUND202503079349101720
2024Harvard-Westlake School Studio City, CAB$50,000paidFINANCIAL AID PROGRAM202503079349101720
2024Cedars-Sinai Medical Center Los Angeles, CAB$50,000paidRESEARCH IN GUT MICROBIOME202503079349101720
2024Pacific American Foundation Kailua, HIB$50,000paidNALU STUDIES PROGRAM202503079349101720
2024Gigi's Playhouse NYC New York, NYC$50,000paidGENERAL SUPPORT202503079349101720
2024Hawai'i Foodbank Honolulu, HIB$50,000paidKEIKI SCHOOL PANTRY PROGRAM202503079349101720
2024Association to Benefit Children New York, NYB$50,000paidGENERAL SUPPORT202503079349101720
2024Al Wooten Jr Youth Center Los Angeles, CAB$50,000paidGENERAL SUPPORT202503079349101720
2024University of Washington Foundation Seattle, WAB$50,000paidUW MEDICINE FAMILY PLANNING FUND202503079349101720
2024Boston Children's Hospital Boston, MAU$50,000paidRESEARCH FOR GUT BRAIN INTERACTION202503079349101720
2024Ballroom Marfa Marfa, TXB$47,000paidGENERAL SUPPORT202503079349101720
2024Ronald Mcdonald House Charities of Hawaii Honolulu, HIB$35,000paidGENERAL SUPPORT202503079349101720
2024Cerebral Palsy Soccer Inc Irvington, NYB$25,000paidGENERAL SUPPORT202503079349101720
2024Determined to Succeed Santa Monica, CAB$25,000paidGENERAL SUPPORT202503079349101720
2024The John Thomas Dye School Los Angeles, CAB$25,000paidFINANCIAL ASSISTANCE PROGRAM202503079349101720
2024Legal Outreach Inc Long Island City, NYB$25,000paidGENERAL SUPPORT202503079349101720
2024San Francisco General Hospital Foundation San Francisco, CAB$25,000paidGENERAL OPERATING202503079349101720
2024Food Allergy Research & Education Mclean, VAB$25,000paidFOOD ALLERGY RESEARCH202503079349101720
2024World Connect Inc New York, NYB$20,000paidGENERAL SUPPORT202503079349101720
2024Brooklyn Debate League Brooklyn, NYB$20,000paidGENERAL SUPPORT202503079349101720
2024Accessurf Hawaii Honolulu, HIB$15,000paidGENERAL SUPPORT202503079349101720
2024Achieve Tahoe Truckee, CAB$15,000paidGENERAL SUPPORT202503079349101720
2024Hawaii Performing Arts Company Honolulu, HIC$15,000paidMVT SHOW SPONSORSHIP - PARADE202503079349101720
2024Kids & Art Foundation Burlingame, CAB$15,000paidLPCH ARTIST IN RESIDENCE PROGRAM202503079349101720
2024Co-Cathedral of St Theresa Church of the Child Jesus Honolulu, HIU$10,000paidPARISH SECURITY FENCE PROJECT202503079349101720
2024A'ali'i Mentoring Honolulu, HIU$10,000paidGENERAL SUPPORT202503079349101720
2024Palo Alto Weekly Holiday Fund (embarcadero Media Foundation) Palo Alto, CAU$10,000paidGENERAL SUPPORT202503079349101720
2024Christmas Bureau of Palo Alto Palo Alto, CAU$10,000paidGENERAL SUPPORT202503079349101720
2024Caminar San Mateo, CAB$10,000paidGENERAL SUPPORT202503079349101720
2024Education Pioneers Inc Boston, MAB$10,000paidGENERAL SUPPORT202503079349101720
2024Uc Santa Barbara Foundation Santa Barbara, CAB$10,000paidTHE TED DEIXLER MEMORIAL FUND202503079349101720
2023Iolani School Honolulu, HIB$5,000,000paidBUILDING NEW STUDENT CENTER202432189349100413
2023The Daniel R Sayre Memorial Foundation Kailuakona, HIB$1,000,000paidAIRBUS H-145 AEROMEDICAL HELICOPTER202432189349100413
2023Lucile Packard Foundation for Children's Health Palo Alto, CAB$1,000,000paidPANS EPIDEMIOLOGICAL RESEARCH FUND202432189349100413
2023Stanford University Stanford, CAC$500,000paidTHE STANFORD CENTER ON PHILANTHROPY AND CIVIL SOCIETY202432189349100413
2023Stanford University Stanford, CAC$500,000paidTHE MARC AND LAURA ANDREESSEN FACULTY DIRECTORSHIP FUND FOR STANFORD PACS202432189349100413
2023Stanford University Stanford, CAC$350,000paidTHE STANFORD CENTER ON PHILANTHROPY AND CIVIL SOCIETY202432189349100413
2023Menlo College Atherton, CAB$20,503paidMENLO COLLEGE DORMITORY MODIFICATIONS202432189349100413
2023Operation Freedom Paws Gilroy, CAB$10,000paidGENERAL SUPPORT202432189349100413
2023Our Brother's Home Mountain View, CAB$10,000paidGENERAL SUPPORT202432189349100413
2023Jasper Ridge Farm Woodside, CAB$10,000paidGENERAL SUPPORT202432189349100413
2023Embarcadero Media Foundation Palo Alto, CAB$10,000paidHOLIDAY FUND202432189349100413
2023Pacific Legal Foundation Sacramento, CAB$5,000paidGENERAL SUPPORT202432189349100413
2022Woodside Fire Foundation Woodside, CAU$10,000,000paidFIGHTING CHANCE CAPITAL CAMPAIGN202302699349101010
2022Menlo College Atherton, CAB$3,478,071paidDORMITORY CONSTRUCTION PROJECT202302699349101010
2022Brown University Providence, RIU$2,000,000paidSTAMEN ARRILLAGA ASSOCIATE DEANSHIP FOR FINANCIAL ADVISING202302699349101010
2022Jasper Ridge Farm Portola Valley, CAC$10,000paidGENERAL SUPPORT202302699349101010
2022Embarcadero Media Foundation Palo Alto, CAB$10,000paidHOLIDAY FUND202302699349101010
2022Our Brother's Home Mountain View, CAB$10,000paidGENERAL SUPPORT202302699349101010
2022The Britton Fund Inc Porterville, CAB$10,000paidGENERAL SUPPORT202302699349101010
2022Christmas Bureau of Palo Alto Palo Alto, CAU$10,000paidGENERAL SUPPORT202302699349101010
2020Menlo College Atherton, CAB$1,000,000paidRESIDENCE HALL CONSTRUCTION202131329349102568
2020Valley Medical Center San Jose, CAU$125,000paidCOVID-19 MITIGATION202131329349102568
2020Sunnyvale Community Services Sunnyvale, CAC$100,000paidCAPITAL CAMPAIGN202131329349102568
2020Morningside High Monarchs Alumni Association Torrance, CAD$100,000paidGENERAL SUPPORT202131329349102568
2020A Tavola Together Foundation Stockton, CAC$25,000paidGENERAL SUPPORT202131329349102568
2020Silicon Valley Creates San Jose, CAB$25,000paidSHIP KITS INC202131329349102568
2020San Francisco Ballet San Francisco, CAC$25,000paidGENERAL SUPPORT202131329349102568
2020Palo Alto Community Child Care Palo Alto, CAB$10,000paidGENERAL SUPPORT202131329349102568
2020Christmas Bureau of Palo Alto Palo Alto, CAU$10,000paidGENERAL SUPPORT202131329349102568
2020Silicon Valley Community Foundation Mountain View, CAC$10,000paidPALO ALTO WEEKLY HOLIDAY FUND202131329349102568
2020Chp 11-99 Foundation Costa Mesa, CAB$10,000paidGENERAL SUPPORT202131329349102568
2020Jasper Ridge Farm Woodside, CAB$10,000paidGENERAL SUPPORT202131329349102568
2020Vista Center for the Blind and Visually Impaired Palo Alto, CAB$10,000paidGENERAL SUPPORT202131329349102568
2020Canine Companions for Independence Santa Rosa, CAB$10,000paidCANINE EARLY DEVELOPMENT CENTER202131329349102568
2020Palo Alto Medical Foundation Palo Alto, CAU$1,000paidGENERAL SUPPORT202131329349102568
2019Stanford University Stanford, CAC$611,200paidJOHN ARRILLAGA DONOR ADVISED FUND AT STANFORD202021149349100407
2019The Teak Fellowship New York, NYB$50,000paidGENERAL SUPPORT202021149349100407
2019Vista Center for the Blind and Visually Impaired Palo Alto, CAB$15,000paidGENERAL SUPPORT202021149349100407
2019Rise Los Altos, CAU$15,000paidGENERAL SUPPORT202021149349100407
2019Palo Alto Weekly Holiday Fund Palo Alto, CAU$10,000paidGENERAL SUPPORT202021149349100407
2019Ascrs Foundation Fairfax, VAU$10,000paidGENERAL SUPPORT202021149349100407
2019Christmas Bureau of Palo Alto Palo Alto, CAU$10,000paidGENERAL SUPPORT202021149349100407
2019Pacific Legal Foundation Sacramento, CAB$5,000paidGENERAL SUPPORT202021149349100407
2019Bay Shore Lyric Opera Saratoga, CAC$1,000paidGENERAL SUPPORT202021149349100407
2018The Teak Fellowship New York, NYB$25,000paidGENERAL SUPPORT201941309349102594
2018Palo Alto Weekly Holiday Fund Palo Alto, CAU$10,000paidGENERAL SUPPORT201941309349102594

Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.

Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.

Source filings

Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.

Returns this page is derived from
FormTax yearPeriod endFiledSchemaIRS OBJECT_ID
990PF20242024-12-31not stated2024v5.2202503079349101720
990PF20232023-12-31not stated2023v5.1202432189349100413
990PF20222022-12-31not stated2022v5.0202302699349101010
990PF20202020-12-31not stated2020v4.1202131329349102568
990PF20192019-12-31not stated2019v5.0202021149349100407
990PF20182018-12-31not stated2018v3.1201941309349102594

Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/942460896.json.

The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.

This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.