Nonprofits in Los Altos, California

Nonprofits in Los Altos, California. Browse 558 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. 100 Women Charitable Foundation Inc

    EIN 205704725 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. 1881 Endowment Fund

    EIN 993845560 · Headquarters: Los Altos, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. 3 Generation Education

    EIN 824538310 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. 901 Bush Charities

    EIN 332323855 · Headquarters: LOS ALTOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Activated Life Inc

    EIN 832206941 · Headquarters: los altos, CA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Adascomorg

    EIN 461237024 · Headquarters: Los Altos, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Add Hope

    EIN 990498547 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Aeka Global Foundation

    EIN 461602644 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  9. Ael Foundation

    EIN 680370324 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. After School Athletics Inc

    EIN 300338135 · Headquarters: LOS ALTOS, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Agents of Change - Bay Area Civic Activism Inc

    EIN 832407947 · Headquarters: Los Altos, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Aid for Indian Development

    EIN 941700389 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. All4passion Inc

    EIN 880572135 · Headquarters: Los Altos, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Allen Family Charitable Foundation

    EIN 832991242 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Almond Elementary School PTA

    EIN 946171201 · Headquarters: Los Altos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Alumni Association of Ruc Sf Bay Area Inc

    EIN 814310650 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Amber Foundation

    EIN 770351840 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. American Association of University Women

    EIN 770126221 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. American Association of University Women Silicon Valley

    EIN 931556415 · Headquarters: Los Altos, CA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. American Federation of Teachers

    EIN 383915828 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Rose Society

    EIN 581783745 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American-chinese Academy for Psychotherapy Corp

    EIN 262631839 · Headquarters: Los Altos, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  23. Americans United for Separation of Church and State

    EIN 550900589 · Headquarters: Los Altos, CA, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  24. Americas Art and Jewelry Inc

    EIN 463484285 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Amir Khalessi Foundation

    EIN 461311143 · Headquarters: Los Altos, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. Andreessen Philanthropies Inc

    EIN 332548381 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Angels Camp

    EIN 200754120 · Headquarters: Los Altos, CA, US · Housing & Shelter · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  28. Ardis Egan Jr High School PTA

    EIN 770021356 · Headquarters: Los Altos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Arrillaga Philanthropies Inc

    EIN 332563407 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Arsha Vidya Center

    EIN 824431891 · Headquarters: LOS ALTOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Arvind and Sowmya Thvar Foundation

    EIN 832239474 · Headquarters: Los Altos, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. Ascending Way Inc

    EIN 813901518 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Ascendo Foundation

    EIN 873162235 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Asian Women Coaching Collective

    EIN 881946416 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Aspect Computers for Those in Need

    EIN 833441884 · Headquarters: Los Altos, CA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Assistance League of Los Altos

    EIN 946085013 · Headquarters: LOS ALTOS, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Association For Continuing Education

    EIN 941682218 · Headquarters: Los Altos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Association of the Los Altos Historical Museum Aka Los Altos History Museum

    EIN 942542813 · Headquarters: LOS ALTOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Assyrian Arts Institute

    EIN 814638366 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Astor Family Foundation

    EIN 942776707 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  41. Ato Foundation of Berkeley Inc

    EIN 942880554 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Automotive Service Councils of California

    EIN 770254221 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Awaso Hope Foundation

    EIN 262828036 · Headquarters: Los Altos, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Baringo House Foundation

    EIN 854307516 · Headquarters: LOS ALTOS, CA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Basic & Applied Spatial Information Collaborative

    EIN 770388470 · Headquarters: Los Altos, CA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  46. Bay Area Blanket Project

    EIN 862789678 · Headquarters: Los Altos, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Bay Area Endocrinologists Society Society

    EIN 770238876 · Headquarters: LOS ALTOS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Bay Choral Guild

    EIN 942684268 · Headquarters: Los Altos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Bay Package Productions Inc

    EIN 943162112 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Beavers Charitable Trust

    EIN 953605104 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Beavers Inc

    EIN 952245687 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Bengal Club of Bay Area

    EIN 843432610 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Better Credit Ed

    EIN 384036784 · Headquarters: LOS ALTOS, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Beyond Fistula

    EIN 460831060 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Beyond the Book Inc

    EIN 852069526 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Blach Intermediate School PTA

    EIN 237098208 · Headquarters: Los Altos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Black Mountain Composite Mountain Bike Team

    EIN 394381954 · Headquarters: LOS ALTOS, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Bnai Brith International

    EIN 237199706 · Headquarters: Los Altos, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  59. Boehlke Family Foundation

    EIN 770560426 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  60. Booth Bay Area Angel Network Inc

    EIN 833448126 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Boulder Creek Research Institute Inc

    EIN 882952269 · Headquarters: Los Altos, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Branson Family Foundation

    EIN 204963649 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. Brian Boitanos Youth Skate Inc

    EIN 770497342 · Headquarters: Los Altos, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Btcd Family Foundation

    EIN 874048671 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Buccaneer League

    EIN 473163873 · Headquarters: Los Altos, CA, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. Bullis Boosters Club

    EIN 463439920 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Bullis-purissima Elementary School

    EIN 481298689 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Bullis-purissima Elementary School Foundation

    EIN 481298690 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Bus Barn Stage Company

    EIN 770408348 · Headquarters: Los Altos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Cadence for Kids

    EIN 842501583 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. California Association for Nurse Practitioners-silicon Valley Chapt

    EIN 753235379 · Headquarters: Los Altos, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. California Coalition for Pku and Allied Disorders

    EIN 942812295 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. California Federation of Womens Clubs

    EIN 770096995 · Headquarters: LOS ALTOS, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. California Institute of Computer Assisted Surgery

    EIN 205703497 · Headquarters: Los Altos, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. California Retired Teachers Association

    EIN 942908531 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. California Teachers Association Mt View Los Altos District Teachers

    EIN 942576058 · Headquarters: Los Altos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. California Weightlifting Fund

    EIN 262965702 · Headquarters: Los Altos, CA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  78. Cancer Story Project Cancer Talks

    EIN 850862481 · Headquarters: Los Altos, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Cantabile Youth Singers of Silicon Valley

    EIN 261889134 · Headquarters: Los Altos, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Carb Dm Inc

    EIN 452901508 · Headquarters: LOS ALTOS, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  81. Cardiovascular Implant Durability Inc

    EIN 851538600 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Caroline and Roxanne Montrose Educational Foundation

    EIN 237411509 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Cassara Fashion Institute

    EIN 300549524 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  84. Cassin Educational Initiative Foundation

    EIN 943376336 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  85. Cats Valley Shelter & Sanctuary

    EIN 812685328 · Headquarters: Los Altos, CA, USA · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  86. Center for Aspiring Programmers Inc

    EIN 463770141 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Cents for Teens

    EIN 920579591 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Changemaker Initiative

    EIN 922783212 · Headquarters: Los Altos, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Chen and Wang Foundation

    EIN 871837118 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Chen-zhu Family Foundation

    EIN 824439136 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Children Education Foundation

    EIN 274757211 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Childrens Hope Foundation of California Inc

    EIN 205166969 · Headquarters: Los Altos, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  93. China and Asia-pacific Research Society

    EIN 460774193 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Chinese Entrepreneurs Organization

    EIN 364840361 · Headquarters: LOS ALTOS, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Chinese-American Mutual Assistance

    EIN 942804512 · Headquarters: Los Altos, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990

  96. Christ Episcopal Church in Los Altos Ca

    EIN 941552793 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-T

  97. Christian Scientists Healing in Africa Inc

    EIN 264349959 · Headquarters: Los Altos, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Chrysalis Arts Ministries

    EIN 871690177 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Chuang's Foundation

    EIN 943053089 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Circle K International Inc

    EIN 010907939 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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