Data / Nonprofits / California / Los Altos
Nonprofits in Los Altos, CA: 462 registered with the IRS
462 nonprofits are registered with the IRS in Los Altos, CA, 425 of them 501(c)(3) charities; the 123 that report revenue took in $493 million. The largest by revenue: Daffy Charitable Fund ($197.2 million), Los Altos Community Foundation ($91.8 million), Creative Center of Los Altos ($79.6 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (105), education (73), human services (28).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Daffy Charitable Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $197.2 million | $334.5 million | 2024-12 |
| Los Altos Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $91.8 million | $64.1 million | 2025-06 |
| Creative Center of Los Altos | Education | 501(c)(3) | 1964 | $79.6 million | $275.5 million | 2025-06 |
| Los Altos Golf & Country Club | 501(c)(7) | 1956 | $23.2 million | $33.9 million | 2025-10 | |
| Bullis-Purissima Elementary School | Education | 501(c)(3) | 2005 | $18.9 million | $5.6 million | 2025-06 |
| Waldorf School of the Peninsula Inc | Education | 501(c)(3) | 1985 | $11.1 million | $5.5 million | 2025-06 |
| Grove Action Fund | Civil rights, social action and advocacy | 501(c)(4) | 2018 | $7 million | $16.7 million | 2025-09 |
| Mountain View Los Altos Soccer Club | Recreation and sports | 501(c)(3) | 2007 | $6.5 million | $3.7 million | 2024-12 |
| Jesuit Retreat Center of Los Altos | 501(c)(3) | 1943 | $4.3 million | $7.3 million | 2024-12 | |
| Bullis-Purissima Elementary School Foundation | Education | 501(c)(3) | 2003 | $4 million | $9.4 million | 2024-12 |
| Los Altos Educational Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1984 | $3.2 million | $4.1 million | 2025-06 |
| Mountain View Los Altos High School Foundation | 501(c)(3) | 1994 | $2.6 million | $878,544 | 2025-06 | |
| Earth Genome | Environment | 501(c)(3) | 2015 | $2.6 million | $2.3 million | 2024-12 |
| Savant Care Inc | Mental health and crisis intervention | 501(c)(3) | 2023 | $2.3 million | $262,777 | 2024-12 |
| Los Altos Mountain View Childrens Corner Inc | 501(c)(3) | 1978 | $2 million | $3.2 million | 2025-06 | |
| Beavers Inc | 501(c)(6) | 1958 | $1.9 million | $864,823 | 2025-04 | |
| H2H8 Association | Education | 501(c)(3) | 2020 | $1.5 million | $3.6 million | 2025-12 |
| Los Altos Chinese School Childrens Center | Education | 501(c)(3) | 2017 | $1.5 million | $804,733 | 2025-12 |
| Crossroads Publications | 501(c)(3) | 1993 | $1.3 million | $2.2 million | 2025-12 | |
| Stanford Professionals in Real Estate NC | Education | 501(c)(3) | 2009 | $1.2 million | $2.5 million | 2024-12 |
| Kilgoris Project | International, foreign affairs and national security | 501(c)(3) | 2010 | $1.2 million | $473,734 | 2025-12 |
| Voces8 Foundation | Arts, culture and humanities | 501(c)(3) | 2020 | $959,892 | $513,590 | 2025-06 |
| Code for Fun | Education | 501(c)(3) | 2014 | $928,582 | $429,436 | 2024-12 |
| Peninsula Symphony of Northern California Association | 501(c)(3) | 1955 | $891,578 | $4.6 million | 2025-06 | |
| Association for Continuing Education | 501(c)(3) | 1969 | $877,760 | $22.2 million | 2026-06 | |
| Association of the Los Altos Historical Museum | Arts, culture and humanities | 501(c)(3) | 1996 | $856,138 | $4.7 million | 2025-06 |
| 901 Bush Charities | Arts, culture and humanities | 501(c)(3) | 2024 | $800,000 | $1 million | 2025-12 |
| Cantabile Youth Singers | Arts, culture and humanities | 501(c)(3) | 2008 | $784,576 | $593,117 | 2025-06 |
| Operation Dawn | Mental health and crisis intervention | 501(c)(3) | 2003 | $775,944 | $2.9 million | 2026-06 |
| Partners for Better Futures | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $754,095 | $303,097 | 2026-06 |
| Kirsch Foundation | Medical research | 501(c)(3) | 2022 | $706,742 | $83,501 | 2024-12 |
| Grace Education Ministries for Niger | International, foreign affairs and national security | 501(c)(3) | 2017 | $686,845 | $1.9 million | 2024-12 |
| Help One Child Mission To Children at Risk | Human services | 501(c)(3) | 1994 | $666,521 | $104,149 | 2025-06 |
| Bus Barn Stage Company A California Non Profit Public Benefit Corp | Arts, culture and humanities | 501(c)(3) | 1996 | $598,077 | $241,936 | 2025-07 |
| K Iin Beh Education Center Foundation Inc | Education | 501(c)(3) | 2020 | $569,245 | $246,562 | 2024-12 |
| Palpung Foundation | Religion-related | 501(c)(3) | 2011 | $562,618 | $9.9 million | 2025-12 |
| Montclaire Parent Teacher Organization | Education | 501(c)(3) | 1992 | $551,678 | $1.2 million | 2025-06 |
| Los Altos Rotary Endowment Fund Inc | 501(c)(3) | 1984 | $507,105 | $2.5 million | 2025-06 | |
| Open Heart Foundation | Education | 501(c)(3) | 2021 | $502,002 | $1,162 | 2025-12 |
| Cardiovascular Implant Durability | Education | 501(c)(3) | 2020 | $491,602 | $460,973 | 2025-12 |
| Wanda Women and Allies | Human services | 501(c)(3) | 2023 | $452,109 | $1 million | 2025-12 |
| Home Dialysis University | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | $447,400 | $14,841 | 2025-12 |
| Living Classroom | 501(c)(3) | 2013 | $445,529 | $244,036 | 2026-06 | |
| Bullis Boosters Club | Education | 501(c)(3) | 2014 | $429,793 | $456,826 | 2024-12 |
| University Oaks Preschool Inc | Education | 501(c)(3) | 2015 | $418,823 | $557,441 | 2025-06 |
| Hale Ranch Foundation | Human services | 501(c)(3) | 2020 | $411,352 | $869,638 | 2025-12 |
| Tera Farm | Food, agriculture and nutrition | 501(c)(3) | 2020 | $408,511 | $316,597 | 2025-12 |
| Los Altos Aquatics Club Inc | 501(c)(3) | 1981 | $402,385 | $347,936 | 2025-08 | |
| Mountain View Parent Nursery School Inc | 501(c)(3) | 1974 | $379,672 | $1.7 million | 2025-06 | |
| Silicon Valley Basketball Club SVBC | Recreation and sports | 501(c)(3) | 2014 | $352,286 | $22,097 | 2025-12 |
| MV Robotics | Education | 501(c)(3) | 2023 | $343,528 | $89,569 | 2024-12 |
| Friends of the Library of Los Altos and Community Inc | Education | 501(c)(3) | 1975 | $318,455 | $1.7 million | 2025-06 |
| Gooru | Education | 501(c)(3) | 2011 | $314,793 | $393,352 | 2024-12 |
| Los Altos Village Association Inc | 501(c)(6) | 1993 | $311,349 | $381,369 | 2024-12 | |
| Los Altos Chamber of Commerce | 501(c)(6) | 1982 | $303,340 | $71,666 | 2024-12 | |
| Los Altos High School Ptsa | 501(c)(3) | 1943 | $298,396 | $168,519 | 2025-06 | |
| Writing By Writers | Education | 501(c)(3) | 2013 | $298,237 | $182,475 | 2026-06 |
| Los Altos Library Endowment | Education | 501(c)(3) | 2001 | $292,199 | $9.2 million | 2025-12 |
| Transparent Fish Fund Inc | International, foreign affairs and national security | 501(c)(3) | 2011 | $292,159 | $355,420 | 2025-12 |
| Beyond Fistula | Human services | 501(c)(3) | 2012 | $278,257 | $424,563 | 2025-12 |
| Silicon Valley Sponsoring Committee | Human services | 501(c)(3) | 2022 | $272,986 | $507,720 | 2025-12 |
| Foothill Youth Basketball | Recreation and sports | 501(c)(3) | 2026 | $272,813 | $272,959 | 2026-07 |
| Grandparents Fund for Climate Restoration | Environment | 501(c)(3) | 2023 | $272,789 | $29,937 | 2024-12 |
| After School Athletic Inc | Youth development | 501(c)(3) | 2008 | $245,141 | $157,369 | 2024-12 |
| Assistance League of Los Altos | Health care | 501(c)(3) | 1962 | $233,403 | $985,564 | 2026-05 |
| Los Altos Masonic Temple | 501(c)(2) | 1994 | $222,815 | $739,643 | 2024-12 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $216,535 | $176,185 | 2025-06 | |
| Woodland Vista Swim & Racquet Club | 501(c)(7) | 1962 | $203,858 | $402,779 | 2024-12 | |
| Justice Vanguard | Civil rights, social action and advocacy | 501(c)(3) | 2021 | $199,604 | $84,871 | 2025-12 |
| Urban Vibrancy Institute Inc | Human services | 501(c)(3) | 2020 | $196,657 | $6,938 | 2024-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $196,374 | $292,541 | 2025-09 | |
| Ardis Egan Jr High School Pta | 501(c)(3) | 1943 | $194,352 | $174,853 | 2026-06 | |
| Keyara S Gift Inc | Education | 501(c)(3) | 2018 | $193,631 | $13,126 | 2024-12 |
| Schola Cantorum Inc | Arts, culture and humanities | 501(c)(3) | 1979 | $189,819 | $194,511 | 2025-06 |
| 100 Women Charitable Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $188,584 | $180,000 | 2024-12 |
| Future of Reading | Education | 501(c)(3) | 2020 | $180,336 | $132,323 | 2025-12 |
| Assyrian Arts Institute | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $174,642 | $58,364 | 2025-11 |
| Pta California Congress of Parents Teachers & Students Inc | Education | 501(c)(3) | 1967 | $172,357 | $255,222 | 2025-06 |
| Santa Clara Valley Science Fair Asn | 501(c)(3) | 1965 | $172,178 | $491,737 | 2025-08 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $171,736 | $191,088 | 2026-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $171,350 | $174,541 | 2025-06 | |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1967 | $170,840 | $190,381 | 2025-06 | |
| Mountain View High School Band Parents Association | 501(c)(3) | 1984 | $168,101 | $44,922 | 2025-06 | |
| Rotary International | 501(c)(4) | 1942 | $166,345 | $160,295 | 2025-06 | |
| San Jose Ballet Association | Arts, culture and humanities | 501(c)(3) | 1994 | $164,775 | $119,236 | 2025-12 |
| Pacific Hearing Connection | Diseases, disorders and medical disciplines | 501(c)(3) | 2016 | $156,127 | $248,264 | 2024-12 |
| Womensv | Human services | 501(c)(3) | 2017 | $156,054 | $226,419 | 2026-06 |
| Tri-City Youth Group | Recreation and sports | 501(c)(3) | 2017 | $155,082 | $295,793 | 2025-12 |
| Sep Foundation | Education | 501(c)(3) | 2024 | $154,291 | $267,669 | 2024-12 |
| Indo American Sevaks Foundation | International, foreign affairs and national security | 501(c)(3) | 2003 | $140,533 | $115,241 | 2025-12 |
| Pta California Congress of Parents Teachers & Students Inc | 501(c)(3) | 1943 | $131,042 | $133,790 | 2026-06 | |
| Bay Choral Guild | Arts, culture and humanities | 501(c)(3) | 1980 | $130,682 | $176,661 | 2025-06 |
| Los Altos High School Athletic Boosters Club | 501(c)(3) | 1980 | $112,076 | $91,723 | 2025-06 | |
| Meemli Inc | Education | 501(c)(3) | 2019 | $110,621 | $54,119 | 2024-12 |
| Mothers Against Murder | Human services | 501(c)(3) | 2005 | $96,338 | $56,931 | 2024-12 |
| Morning Forum of Los Altos | 501(c)(3) | 1975 | $96,033 | $149,829 | 2025-06 | |
| Los Altos High Eagle Band Boosters | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $93,069 | $109,591 | 2025-06 |
| Children Education Foundation | Human services | 501(c)(3) | 2011 | $91,126 | $22,461 | 2025-12 |
| Visamo Kids Foundation | International, foreign affairs and national security | 501(c)(3) | 2010 | $87,112 | $144,644 | 2025-12 |
| Kiwanis Club of Los Altos Foundation | Community improvement and capacity building | 501(c)(3) | 2001 | $80,448 | $337,014 | 2024-09 |
| Free & Accepted Masons of California | 501(c)(10) | 1940 | $75,304 | $5.3 million | 2024-12 | |
| California Teachers Association | 501(c)(5) | 1976 | $72,160 | $162,022 | 2025-08 | |
| Los Altos Festival of Lights Inc | 501(c)(4) | 1981 | $70,231 | $385,947 | 2026-03 | |
| Pollinate Group | International, foreign affairs and national security | 501(c)(3) | 2013 | $69,432 | $285,100 | 2025-12 |
| National Charity League Inc Orchard Valley Chapter | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $63,615 | $156,954 | 2025-05 |
| Los Altos - Mountain View Pony Baseball Inc | Recreation and sports | 501(c)(3) | 2012 | $62,652 | $103,530 | 2023-09 |
| Los Altos Peace Officers Association | 501(c)(5) | 1991 | $47,279 | $103,170 | 2024-12 | |
| Rancho Merchants Association | 501(c)(6) | 1992 | $33,636 | $57,162 | 2024-12 | |
| Chuangs Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1992 | $22,623 | $561,456 | 2025-12 |
| Peninsula Peace and Justice Center | 501(c)(3) | 1983 | $19,120 | $304,681 | 2025-12 | |
| Myers Marsh Mutual Water Company | Mutual and membership benefit | 501(c)(12) | 2022 | $15,778 | $50,556 | 2025-12 |
| Brian Boitanos Youth Skate | Recreation and sports | 501(c)(3) | 1999 | $15,140 | $27,228 | 2025-12 |
| American Legion | 501(c)(19) | 1934 | $12,962 | $342,688 | 2025-06 | |
| National Charity League Inc Stanford Hills Chapter | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1993 | $11,476 | $202,584 | 2025-05 |
| Awaso Hope Foundation | International, foreign affairs and national security | 501(c)(3) | 2009 | $11,102 | $17,911 | 2025-12 |
| Zaf Foundation | International, foreign affairs and national security | 501(c)(3) | 2019 | $7,911 | $79,051 | 2025-12 |
| Better Credit Ed | Health care | 501(c)(3) | 2022 | $7,700 | $10,014 | 2025-12 |
| Weeducate Foundation | International, foreign affairs and national security | 501(c)(3) | 2019 | $5,800 | $4,468 | 2025-12 |
| San Francisco Photographers Alliance | Education | 501(c)(3) | 2021 | $4,163 | $22,640 | 2025-12 |
| Bibrae Foundation NFP | Religion-related | 501(c)(3) | 2024 | $2,000 | $0 | 2025-12 |
| Rotary Aids Project Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1991 | $1,558 | $76,415 | 2025-06 |
| Hope for Health Inc | Health care | 501(c)(3) | 2023 | $1,000 | $59 | 2024-12 |
| Fishbowl Challenge | Youth development | 501(c)(3) | 2023 | $7 | $12,277 | 2025-06 |
| 1881 Endowment Fund | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Activated Life Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Adascomorg | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Add Hope | Education | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| Aeka Global Foundation | Human services | 501(c)(3) | 2014 | $205,633 | 2024-11 | |
| Ael Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $102,628 | 2025-12 | |
| Agents of Change - Bay Area Civic Activism Inc | Civil rights, social action and advocacy | 501(c)(3) | 2019 | $0 | $0 | 2024-02 |
| Alana USA Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $151,543 | 2025-12 | |
| All4passion Inc | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Amber Foundation | 501(c)(3) | 1993 | $2.3 million | 2024-12 | ||
| American Association of University Women Silicon Valley | Civil rights, social action and advocacy | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| American Federation of Teachers | 501(c)(5) | 1967 | $0 | $0 | 2026-06 | |
| American Lutheran Church Los Altos | 501(c)(3) | 1961 | ||||
| American Rose Society | 501(c)(3) | 1983 | $0 | $0 | 2025-12 | |
| Americas Art and Jewelry Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Andreessen Philanthropies Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $1 | 2024-12 | |
| Anne Wojcicki Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $593.3 million | 2024-12 | |
| Arrillaga Philanthropies Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $1 | 2024-12 | |
| Arvind and Sowmya Thvar Foundation | Education | 501(c)(3) | 2019 | $921,772 | 2025-12 | |
| Ascending Way Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $329,095 | 2025-12 | |
| Ascendo Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $19,597 | 2025-09 | |
| Asian Women Coaching Collective | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Aspect Computers for Those in Need | Public and societal benefit | 501(c)(3) | 2019 | $0 | $3,891 | 2025-12 |
| Ato Foundation of Berkeley Inc | 501(c)(3) | 1984 | $473,878 | 2025-12 | ||
| Automotive Service Councils of California | 501(c)(6) | 1994 | $0 | $0 | 2025-12 | |
| Avakasa Foundation | Youth development | 501(c)(3) | 2024 | |||
| BTCD Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $234,215 | 2025-11 | |
| Baringo House Foundation | Youth development | 501(c)(3) | 2022 | $133,548 | 2025-12 | |
| Bay Area Blanket Project | Human services | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Bay Area Reproductive Endocrinologists Society | 501(c)(3) | 1994 | $0 | $0 | 2024-12 | |
| Bay Area Youth Robotics Foundation | Education | 501(c)(3) | 2026 | |||
| Bay Package Productions Inc | 501(c)(3) | 1992 | $0 | $0 | 2024-12 | |
| Beavers Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1981 | $37.9 million | 2025-04 | |
| Bengal Club of Bay Area | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Black Mountain Composite Mountain Bike Team | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Booth Bay Area Angel Network Inc | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Boulder Creek Research Institute Inc | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Branson Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $21.4 million | 2025-12 | |
| Brett and Michelle Galloway Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $1.7 million | 2025-12 | |
| Cadence for Kids | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| California Association for Nurse Practitioners-Silicon Valley Chapt | Health care | 501(c)(6) | 2011 | $0 | $0 | 2026-06 |
| California Coalition for Pku and Allied Disorders | 501(c)(3) | 1983 | $0 | $0 | 2025-12 | |
| California Institute of Computerassisted Surgery Inc | Medical research | 501(c)(3) | 2012 | $485,250 | 2024-12 | |
| Canterbury Christian School | 501(c)(3) | 1977 | ||||
| Caroline & Roxanna Montrose Educational Foundation | 501(c)(3) | 1975 | $406,204 | 2025-06 | ||
| Catalystrise Foundation NFP | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Center for Aspiring Programmers Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Central Valley Agri Resources | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| Cents for Teens | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Chen & Xu Family Foundation | Education | 501(c)(3) | 2026 | |||
| Chen and Wang Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $4,982 | 2024-12 | |
| China and Asia-Pacific Research Society | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Chinese Entrepreneurs Organization | International, foreign affairs and national security | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Christian Scientists Healing in Africa Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Chrysalis Arts Ministries | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Church in Los Altos | 501(c)(3) | 1988 | ||||
| Climate Restoration Program Inc | Environment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Clipped Wings United Airlines Stewardess Alumnae and Flight Atte | 501(c)(3) | 2002 | ||||
| Clorofil | Animal-related | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Cnyl Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $3 million | 2025-12 | |
| Community Conflict Resolution Services | Crime and legal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Competitive Drive Inc | Recreation and sports | 501(c)(3) | 2014 | $3,128 | 2024-12 | |
| Complexity Group | Public and societal benefit | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Conifer Alliance Foundation Trust | Human services | 501(c)(3) | 2007 | $507,816 | 2025-06 | |
| Connect & Learning | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Covid Detection Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2021 | $0 | $90,869 | 2025-12 |
| Craft for Change Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Daughters of Charity of St Vincent de Paul Province of the West | 501(c)(3) | 1946 | ||||
| David and Lucile Packard Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1964 | $8.55 billion | 2024-12 | |
| Deepart-Ai Foundation | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $212,650 | 2024-12 |
| Dollars and Cents | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Educacy | Education | 501(c)(3) | 2011 | $0 | $0 | 2024-06 |
| Efa Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $1.4 million | 2025-12 | |
| Elveai Inc | Public and societal benefit | 501(c)(3) | 2025 | $0 | $1 | 2025-12 |
| Empower Youth Through Technology | Education | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Eppic Global Foundation | Science and technology | 501(c)(3) | 2026 | |||
| Eqoptech | 501(c)(3) | 2016 | $0 | $0 | 2025-12 | |
| Faithful Servants Foundation | Education | 501(c)(3) | 2015 | $5 million | 2025-12 | |
| Family Solutions Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $4,212 | 2024-12 | |
| Fat Tire Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $86.6 million | 2024-12 | |
| Fei & Li Family Foundation | Education | 501(c)(3) | 2025 | $213,583 | 2025-12 | |
| Finnish Language School of Silicon Valley | Education | 501(c)(3) | 2004 | $0 | $0 | 2026-05 |
| Fists of Hope | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Flying Phoebe Cloth Doll Makers Club of Alameda County | 501(c)(7) | 1989 | $0 | $0 | 2025-09 | |
| Food4all Bay Area | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Foothill Covenant Church Los Altos Ca | 501(c)(3) | 1975 | ||||
| Frank and Karen Geefay Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $588,308 | 2025-12 | |
| Future Builders Collective | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Gene Chiu Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $6.9 million | 2024-12 | |
| Gerdybirds Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $73,195 | 2025-12 | |
| Geriatrics Foundation | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Girls International Fund for Tomorrow | International, foreign affairs and national security | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Givers and Friends Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $137,871 | 2025-06 | |
| Global Health Project | Diseases, disorders and medical disciplines | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Global Ophthalmic Research Center | Medical research | 501(c)(3) | 2021 | $633,059 | 2025-12 | |
| Global Telehealth Network | International, foreign affairs and national security | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Golden Harmony Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Good News Community Church | Religion-related | 501(c)(3) | 2005 | |||
| Gordon R Irlam Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $2.6 million | 2025-12 | |
| Grace Community Covenant Church Los Altos Ca | 501(c)(3) | 1975 | ||||
| Greathouse Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $19.2 million | 2025-12 | |
| Gu and Yang Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $802,801 | 2025-12 | |
| Gulu and Indra Advani Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $24,049 | 2024-12 | |
| H&G Foundation | Mental health and crisis intervention | 501(c)(3) | 2025 | $98,790 | 2025-06 | |
| Haaja Foundation | Human services | 501(c)(3) | 2019 | $2.2 million | 2026-06 | |
| Hana Seed Church | Religion-related | 501(c)(3) | 2014 | |||
| Hang Tian Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $101,523 | 2024-10 | |
| Harrington Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $14.4 million | 2025-02 | |
| Hasteer-Puvvada Family Foundation | Human services | 501(c)(3) | 2024 | $1 | 2024-12 | |
| Heidelberg California Connect Org | International, foreign affairs and national security | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| High Performance Transaction Systems Workshop | Science and technology | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Hingwe & Sharma Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $320,519 | 2025-12 | |
| Hospital for Hope India Inc | International, foreign affairs and national security | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| House of Christians | 501(c)(3) | 1983 | ||||
| Hsing-Ming Chang Charitable Foundation | Education | 501(c)(3) | 2014 | $6 million | 2026-03 | |
| Immanence Foundation | Human services | 501(c)(3) | 2024 | $298,086 | 2025-12 | |
| Immanuel Lutheran Church of Los Altos | 501(c)(3) | 1988 | ||||
| Impala Racing Team | 501(c)(3) | 1994 | $0 | $0 | 2025-12 | |
| Indus Setu Global Foundation USA | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Industrial City Cattle Ranch & Duck Club | 501(c)(7) | 1982 | $0 | $0 | 2026-02 | |
| Inspira Foundation Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Inspired To Learn | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Institute On Generosity Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $868,186 | 2024-12 | |
| Interlisporg Inc | Science and technology | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Interlocked Squares of Silicon Valley | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Iwanttohelpafrica Com Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| J & V 2000 Foundation | Education | 501(c)(3) | 2001 | $709,744 | 2025-06 | |
| J-J Petricciani Foundation | 501(c)(3) | 1982 | $1.4 million | 2024-12 | ||
| JWL Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $13,206 | 2025-12 | |
| Japan America Business Initiatives - Silicon Valley | Community improvement and capacity building | 501(c)(6) | 2012 | $0 | $0 | 2025-12 |
| Jaya Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $387,204 | 2026-04 | |
| John Yu and Linda Ren Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $46,632 | 2024-12 | |
| Johnson Tri-Dom Foundation | 501(c)(3) | 1988 | $499,161 | 2024-12 | ||
| Joyful Sunshine Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $3.6 million | 2025-11 | |
| KRL Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $10,907 | 2025-12 | |
| Kala Vedika Inc | Arts, culture and humanities | 501(c)(3) | 1999 | $0 | $0 | 2026-03 |
| Kam Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $2.7 million | 2025-12 | |
| Kathail Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $879,090 | 2024-12 | |
| Kelvin Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $7.1 million | 2024-12 | |
| Kids for Healthy Food Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kilohana Martial Arts Association | Education | 501(c)(3) | 2012 | $0 | $0 | 2026-07 |
| Kiwanis International Inc | 501(c)(4) | 1963 | $0 | $0 | 2025-09 | |
| Knoll-Macdonald Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $82,026 | 2025-09 | |
| Korean Santa Clarita Presbyterian Church | 501(c)(3) | 1992 | ||||
| Krafty Kids | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Kung Guerra Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $19.7 million | 2024-12 | |
| Kuo Sharper Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $2 million | 2025-12 | |
| La Comunidad Yalma | Religion-related | 501(c)(3) | 2026 | |||
| League of Women Voters of Los Altos Mt View Area Inc | Public and societal benefit | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Learning Across Borders | Education | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Legacy Speech Club | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2026-07 |
| Let the Evidence Speak - Silicon Valley Region | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Liftnow Foundation | Mental health and crisis intervention | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Ligenh Mission Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $1.9 million | 2025-06 | |
| Lin Family Charitable Foundation Inc | 501(c)(3) | 1998 | $145,451 | 2025-05 | ||
| Liora and Levy Gerzberg Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $1.4 million | 2024-12 | |
| Little Los Altos Entrepreneurs | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Logos Baptist Church of Los Altos California | Religion-related | 501(c)(3) | 2009 | |||
| Los Altos Art Club Inc | 501(c)(3) | 1976 | $0 | $0 | 2025-12 | |
| Los Altos Chamber Foundation | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Los Altos Legacies | 501(c)(3) | 1984 | $0 | $0 | 2023-06 | |
| Los Altos Property Owners Downtown | 501(c)(4) | 2014 | $0 | $0 | 2025-12 | |
| Los Altos Sunset Rotary Club Endowment Fund Inc | Community improvement and capacity building | 501(c)(3) | 2020 | $1.6 million | 2025-06 | |
| Los Altos Village Fund | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Lotus Creek Foundation | Human services | 501(c)(3) | 2013 | $174,320 | 2026-04 | |
| Lu Educational Foundation | Health care | 501(c)(3) | 2014 | $347,426 | 2025-12 | |
| Lu Wang Family Foundation | 501(c)(3) | 2017 | $829,637 | 2025-12 | ||
| Lupita Conservation Inc | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| M & J Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $95,667 | 2025-08 | |
| M E Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1.5 million | 2024-12 | |
| Mad4charity Music Art and Dance for Charity | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Makex4all | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Mamasash Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $290,555 | 2025-12 | |
| Marc and Laura Andreessen Art Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $19,765 | 2024-12 | |
| Mark and Carolyn Guidry Foundation | 501(c)(3) | 1993 | $2.3 million | 2025-12 | ||
| Master Foundation | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Masterytrack | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Matshym Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $465,251 | 2025-12 | |
| McClure Family Foundation for Capital Access | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $2.2 million | 2025-06 | |
| Meiflower Nonprofit Organization | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Menlo Atherton Adult Soccer Inc | 501(c)(4) | 1986 | $0 | $0 | 2025-12 | |
| Mid Peninsula Widows & Widowers Association | 501(c)(3) | 1986 | $0 | $0 | 2026-01 | |
| Miramonte Christian Elementary | 501(c)(3) | 1947 | ||||
| Mirnahill Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $5.8 million | 2024-12 | |
| Mobion Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Mountain View Veterans Memorial Committee | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2026-03 |
| Moxie Hoops | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Music Teachers Association of California | 501(c)(6) | 1960 | ||||
| Mvla Homeless Aid Organization | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2024-09 |
| My Blue Dots | Medical research | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Nadias Gift Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $99,360 | 2025-12 | |
| Namaskaram Yoga Inc | Health care | 501(c)(3) | 2025 | |||
| National Institute for Mentoring Business Leaders and Entrepreneurs | Public and societal benefit | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Netgosha | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| New Covenant Christian Fellowship | Religion-related | 501(c)(3) | 2015 | |||
| Noorava Foundation | 501(c)(3) | 2026 | ||||
| Northern California Cactus and Succulent Association | 501(c)(5) | 1996 | $0 | $0 | 2024-12 | |
| Northern California Taiwanese Medical Association | Community improvement and capacity building | 501(c)(6) | 2020 | $0 | $0 | 2026-02 |
| Northern California-Nevada Cycling Association | 501(c)(4) | 1990 | $0 | $0 | 2025-12 | |
| Ohme Heritage for Mindful Education | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Omniware Networks | Education | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Onnuri Church of San Jose | Religion-related | 501(c)(3) | 2013 | |||
| Onozawa Family Foundation | Human services | 501(c)(3) | 2025 | $96,454 | 2025-12 | |
| Open Climate Tech Inc | Environment | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Opennetwork Ai Inc | Education | 501(c)(3) | 2026 | |||
| PTL Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $51,934 | 2026-01 | |
| Pacific Shores Media Center | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Packard Humanities Institute | 501(c)(3) | 1987 | $918.5 million | 2024-12 | ||
| Packard Packard & Johnson Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $52,325 | 2024-12 | |
| Pads for Peers Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Palpung Lungtok Choeling | Religion-related | 501(c)(3) | 2000 | |||
| Panda Power Robotics | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Parent Booster USA Inc | Education | 501(c)(3) | 2005 | $0 | $0 | 2026-01 |
| Parentbond Ai Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-01 |
| Patel Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $823,593 | 2025-12 | |
| Peninsula Gem and Geology Society Inc | 501(c)(7) | 1962 | $0 | $0 | 2025-12 | |
| Peninsula Harmony Chorus Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Peninsula Peaks Foundation | Education | 501(c)(3) | 2008 | $1 million | 2025-07 | |
| Peninsula Plastic Surgery Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2010 | $573,500 | 2025-12 | |
| Peninsula Swiss Club | Recreation and sports | 501(c)(7) | 2021 | $0 | $0 | 2025-12 |
| Peter & Mary Chang Foundation | Human services | 501(c)(3) | 2014 | $5.6 million | 2024-12 | |
| Pinecrest Mountain Bike Association | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Poisson Fou Foundation | 501(c)(3) | 1989 | $3.1 million | 2025-11 | ||
| Praanada | Environment | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Pratham Sewa | Education | 501(c)(3) | 2022 | $1 | 2025-12 | |
| Project Singularity | Science and technology | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Protect the Children Incorporated | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Protestant Episcopal Church in the Diocese of California Christ Churc | 501(c)(3) | 1976 | 2021-12 | |||
| Provide International Inc | International, foreign affairs and national security | 501(c)(3) | 1989 | $952 | 2024-12 | |
| Qigong Institute | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Que-Lue Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1.7 million | 2025-12 | |
| Quest Center USA | Employment | 501(c)(3) | 2025 | |||
| Quietgiant Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $349,646 | 2025-09 | |
| Radford Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $15,362 | 2025-12 | |
| Radheya | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $30.6 million | 2024-12 | |
| Raj Seli Compassion Foundation | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Readream Incorporated | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rendered Corp | Education | 501(c)(3) | 2024 | |||
| Reuse Our Planet Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $71,155 | 2025-10 | |
| Reward Our Teachers | 501(c)(3) | 2022 | $0 | $0 | 2025-12 | |
| Rise 2 Realize Institute | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Road Runners Club of America | 501(c)(3) | 1976 | $0 | $0 | 2025-12 | |
| Ron D Kline Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $8.4 million | 2024-12 | |
| Room for Success | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Rushi Bay Area Chapter | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| S U A S Veteran Crisis QRF | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| S&S Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $5.5 million | 2025-12 | |
| Sadri Guiding Light Foundation Inc | 501(c)(3) | 2017 | $1,011 | 2023-12 | ||
| Samudra Dance Creations Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Samvaad Ca | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| San Antonio Hills Inc | 501(c)(4) | 1969 | $0 | $0 | 2026-01 | |
| Science Simplified | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sehgal Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $55,924 | 2025-12 | |
| Senior Story Project Inc | Human services | 501(c)(3) | 2024 | |||
| Seren Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $713,023 | 2025-12 | |
| Servanthood for Christ | Religion-related | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Shanghai Jiao Tong University Alumni Assoc of Silicon Valley | International, foreign affairs and national security | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Shuo Yang and Wenke Wang Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $1.6 million | 2025-12 | |
| Silicon Valley Office of Protocol | International, foreign affairs and national security | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Silicon Valley Options Group | Education | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Simops Foundation | Science and technology | 501(c)(6) | 2026 | |||
| Sinha-Boutelle Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2016 | $3.6 million | 2025-12 | |
| Sirius Foundation | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| South Asian Physics Foundation | Education | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Southern Peninsula Emergency Communications System Users Group | 501(c)(3) | 1990 | $0 | $0 | 2025-12 | |
| Special Needs Activity Clubhouse | Diseases, disorders and medical disciplines | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Spiritual Assembly of the Bahais of Los Altos | 501(c)(3) | 1965 | ||||
| Spiritual Assembly of the Bahais of Stanford | 501(c)(3) | 1995 | ||||
| Spiritual Life Foundation | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Srivastava Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $922,797 | 2025-12 | |
| Stars End Ventures Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $168,055 | 2025-12 | |
| Stellar Solutions Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $1.2 million | 2024-12 | |
| Stem for Others Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Stephen Edward Scarff Memorial Foundation | 501(c)(3) | 1986 | $114,225 | 2025-03 | ||
| Strongpoint Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $220,053 | 2025-12 | |
| Sunflower Fund | International, foreign affairs and national security | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Support for Crohns | Medical research | 501(c)(3) | 2024 | |||
| Susan Wojcicki Foundation | Medical research | 501(c)(3) | 2025 | |||
| Sustainable Fashion Initiatve | Education | 501(c)(3) | 2026 | |||
| Sustainable Living Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Swedish Club of San Francisco and Bay Area | 501(c)(7) | 1984 | $0 | $0 | 2026-02 | |
| Syntex Retirees Club | Recreation and sports | 501(c)(7) | 2001 | $0 | $0 | 2025-12 |
| Taneja Family Foundation | Science and technology | 501(c)(3) | 2014 | $2.1 million | 2024-12 | |
| Tech Spark | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Tech for Tomorrow | Environment | 501(c)(3) | 2025 | |||
| Tech-Ukraine | International, foreign affairs and national security | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Teenztalk | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Terra Nova Ministries Inc | Religion-related | 501(c)(3) | 2012 | |||
| The Ark Watch Foundation | Animal-related | 501(c)(3) | 2006 | $6,925 | 2024-12 | |
| The Association of Practice Management Educators | Education | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| The Danaidae Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $492,114 | 2025-12 | |
| The Dream Finder Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $1 million | 2024-12 | |
| The Edward and Constance Barthold Family Foundation | 501(c)(3) | 1991 | $2.9 million | 2025-12 | ||
| The Grace Foundation | Human services | 501(c)(3) | 2026 | |||
| The Grove Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1986 | $69.5 million | 2025-09 | |
| The Heising-Simons Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $810.5 million | 2024-12 | |
| The Institute for the Desert Arabian Horse | Animal-related | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| The Louis E Newman Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $591,894 | 2024-12 | |
| The Maker Hive | Education | 501(c)(3) | 2026 | |||
| The Right Hand Foundation | 501(c)(3) | 1999 | $1.7 million | 2025-12 | ||
| The Robert and Diane Weissman Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1.7 million | 2025-09 | |
| The Robonauts | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| The Way Church | Religion-related | 501(c)(3) | 2019 | |||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Tong You Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $830,992 | 2025-10 | |
| Trinnovation Space Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| True North Church | Religion-related | 501(c)(3) | 2015 | |||
| Truhoma Fund Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| University of California Berkeley Engineering Alumni Society | Education | 501(c)(3) | 1977 | $0 | $0 | 2026-06 |
| Us-China Youthbridge | Youth development | 501(c)(3) | 2024 | |||
| Vajradhatu | 501(c)(3) | 1975 | ||||
| Vehicles for Veterans | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Vietnamese Catholic Federation in | 501(c)(3) | 1946 | ||||
| Virtue Pine Compassion Center | Human services | 501(c)(3) | 2026 | |||
| Vishu Gupta Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Volunteer Center of Silicon Valley Inc | 501(c)(3) | 1991 | ||||
| Wadhwani Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $155.3 million | 2024-12 | |
| Wadhwani Institute for Artificial Intelligence Foundation | Science and technology | 501(c)(3) | 2019 | $7.5 million | 2024-12 | |
| Wadhwani Operating Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $556.1 million | 2024-12 | |
| Wah Yan Scholarship Foundation of California | Education | 501(c)(3) | 1996 | $306,238 | 2024-12 | |
| Wakerly Family Foundation | 501(c)(3) | 1997 | $7.9 million | 2026-06 | ||
| Wang and Gu Enc Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Wei Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $400,184 | 2026-03 | |
| Welcome Home Housing Foundation Inc | Housing and shelter | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Wetree | Environment | 501(c)(4) | 2022 | $0 | $0 | 2024-12 |
| Whisper Angels Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| White Mountain Institute | 501(c)(3) | 1987 | $1.8 million | 2025-09 | ||
| Why Institute | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| William C Hyrne Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $192,064 | 2025-12 | |
| Woodland Acres Association of Santa Clara County Inc | 501(c)(4) | 1990 | $0 | $0 | 2026-06 | |
| XWBH Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $187,148 | 2025-07 | |
| Yan Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | $1.1 million | 2025-12 | |
| Yang and Wu Family Foundation | Education | 501(c)(3) | 2015 | $599,135 | 2025-10 | |
| Ye and Wang Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $3,657 | 2024-12 | |
| Yehs Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $17,204 | 2025-12 | |
| Yellow Pomelo | Health care | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Yunrui Li Family Private Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $309,854 | 2025-12 | |
| Zarthoshti Anjuman of Northern California | 501(c)(3) | 1985 | ||||
| Zoglin Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $22,075 | 2025-12 |
By cause in Los Altos, CA
- Philanthropy, voluntarism and grantmaking foundations 105
- Education 73
- Human services 28
- Arts, culture and humanities 28
- International, foreign affairs and national security 19
- Religion-related 19
- Recreation and sports 13
- Diseases, disorders and medical disciplines 10
- Public and societal benefit 9
- Youth development 8
- Health care 7
- Environment 7
- Science and technology 7
- Medical research 6
- Community improvement and capacity building 6
- Animal-related 5
- Mental health and crisis intervention 4
- Civil rights, social action and advocacy 4
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.