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. Samudra Dance Creations Inc

    EIN 393467489 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. San Antonio Hills Inc

    EIN 237012821 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. San Francisco Photographers Alliance

    EIN 872355012 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. San Jose Ballet Association

    EIN 237253360 · Headquarters: LOS ALTOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Santa Clara Valley Science and Engineering Fair Association

    EIN 946122043 · Headquarters: Los Altos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Santa Rita Elementary PTA

    EIN 946174402 · Headquarters: Los Altos, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Science Simplified

    EIN 332836998 · Headquarters: Los Altos, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Scope International Inc

    EIN 300272500 · Headquarters: Los Altos, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Sehgal Foundation

    EIN 843912292 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Sempervirens Fund

    EIN 942155097 · Headquarters: LOS ALTOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Sep Foundation

    EIN 813048971 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Seren Foundation

    EIN 334977820 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Sertoma Foundation

    EIN 770009585 · Headquarters: Los Altos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  14. Servanthood for Christ

    EIN 912153062 · Headquarters: Los Altos, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Shanghai Jiao Tong University Alumni Assoc of Silicon Valley

    EIN 562316181 · Headquarters: LOS ALTOS, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Shi Zhang Family Foundation

    EIN 853163503 · Headquarters: LOS ALTOS, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Shuo Yang and Wenke Wang Family Foundation

    EIN 883977685 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. Sierra Elementary & High School

    EIN 942260465 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990

  19. Silicon Valley Action Network

    EIN 270633356 · Headquarters: Los Altos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  20. Silicon Valley Basketball Club Svbc

    EIN 770230275 · Headquarters: Los Altos, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Silicon Valley Environmental Partnership

    EIN 770332856 · Headquarters: Los Altos, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  22. Silicon Valley Office of Protocol

    EIN 470994693 · Headquarters: Los Altos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Silicon Valley Options Group

    EIN 264096202 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Skazhi

    EIN 392708625 · Headquarters: Los Altos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Sky King Flyers Inc

    EIN 320157824 · Headquarters: Los Altos, CA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Smile Consortium

    EIN 260148998 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. South Asian Physics Foundation

    EIN 204804697 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Southern Peninsula Emergency Communications System Users Group

    EIN 770214189 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Special Needs Activity Clubhouse

    EIN 463652310 · Headquarters: Los Altos, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Specialrelativity Education Foundation

    EIN 463346130 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  31. Spiritual Life Foundation

    EIN 824806778 · Headquarters: Los Altos, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Spyglass Hill Golf Club

    EIN 946113060 · Headquarters: Los Altos, CA, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  33. Srivastava Foundation

    EIN 273679145 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Stanford Professionals in Real Estate Inc

    EIN 371578711 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Stars End Ventures

    EIN 873477765 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Startup with Purpose Inc

    EIN 824521990 · Headquarters: Los Altos, CA, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Stellar Solutions Foundation

    EIN 770485705 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Stem for Others Inc

    EIN 933707307 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Stephen Edward Scarff Memorial Foundation

    EIN 942984078 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. Stretch to Kindergarten

    EIN 270930315 · Headquarters: Los Altos, CA, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  41. Stroller Hikes

    EIN 263550147 · Headquarters: Los Altos, CA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Strongpoint Foundation

    EIN 843869796 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Sunflower Fund

    EIN 881559988 · Headquarters: Los Altos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sunkara Family Foundation C/o Frank Rimerman Co

    EIN 454084978 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  45. Sustainable Living Foundation

    EIN 731676980 · Headquarters: Los Altos, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Swedish Club of San Francisco and Bay Area

    EIN 942923638 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Syntex Retirees Club

    EIN 911944109 · Headquarters: Los Altos, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Taida Venture Business Network

    EIN 161637939 · Headquarters: LOS ALTOS, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  49. Taneja Family Foundation C/o Hemant Taneja Director

    EIN 461302502 · Headquarters: LOS ALTOS, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Teal House

    EIN 352822133 · Headquarters: Los Altos, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Tech Spark

    EIN 991243893 · Headquarters: LOS ALTOS, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Tech-ukraine

    EIN 931863817 · Headquarters: Los Altos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Teenztalk

    EIN 814751346 · Headquarters: Los Altos, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Tej Foundation USA

    EIN 464183114 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Tera Farm

    EIN 851124899 · Headquarters: Los Altos, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. The Altos Foundation

    EIN 942853627 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  57. The Anne Wojcicki Foundation

    EIN 471835703 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. The Anuradha Foundation

    EIN 200344801 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  59. The Ark Watch Foundation

    EIN 203618680 · Headquarters: LOS ALTOS, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. The Association of Practice Management Educators

    EIN 161778759 · Headquarters: Los Altos, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. The Brett & Michelle Galloway Foundation

    EIN 261550739 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. The Conifer Alliance Foundation Trust

    EIN 208044589 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. The Covid Detection Foundation

    EIN 851865445 · Headquarters: Los Altos, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. The Cramblit Family Foundation

    EIN 770389565 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  65. The Danaidae Foundation

    EIN 200416331 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  66. The David and Lucile Packard Foundation

    EIN 942278431 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. The Dong Foundation

    EIN 453724803 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  68. The Dream Finder Foundation

    EIN 873995622 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. The Earth Genome

    EIN 472935807 · Headquarters: LOS ALTOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The Edward and Constance Barthold Family Foundation

    EIN 943139146 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  71. The Fat Tire Foundation

    EIN 208066058 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. The Gerdybirds Foundation

    EIN 921269364 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. The Gordon R Irlam Charitable Foundation

    EIN 943351212 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. The Greathouse Family Foundation

    EIN 472508106 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. The Grove Foundation

    EIN 770108124 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  76. The Heising-simons Action Fund

    EIN 844316553 · Headquarters: LOS ALTOS, CA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. The Heising-simons Foundation

    EIN 260799587 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. The Institute for the Desert Arabian Horse

    EIN 201127613 · Headquarters: Los Altos, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. The James and Rebecca Morgan Charitable Foundation

    EIN 202029688 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. The James and Rebecca Morgan Family Foundation

    EIN 943187468 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  81. The Jesuit Retreat Center of Los Altos

    EIN 941230997 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. The Kelvin Foundation Co Mary Bechmann

    EIN 770528782 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. The Kilgoris Project

    EIN 272021983 · Headquarters: LOS ALTOS, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. The Kirsch Foundation

    EIN 873900704 · Headquarters: Los Altos, CA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. The Laster Foundation

    EIN 112804171 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  86. The Li Foundation

    EIN 332870986 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. The Liora & Levy Gerzberg Family Foundation

    EIN 753011479 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. The Los Altos Library Endowment

    EIN 912100487 · Headquarters: LOS ALTOS, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. The Los Altos Rotary Endowment Fund Inc

    EIN 942575930 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. The Los Altos Village Association Inc

    EIN 942760328 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. The Morning Forum of Los Altos

    EIN 946081401 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. The Onozawa Family Foundation

    EIN 993122068 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. The Packard Humanities Institute

    EIN 943038401 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. The Patel Family Foundation

    EIN 204933895 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. The Peter & Mary Chang Foundation

    EIN 463723472 · Headquarters: LOS ALTOS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. The R & E Scott Foundation

    EIN 770486556 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  97. The Radford Foundation

    EIN 770548306 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. The Raymond and Betty Ho Foundation

    EIN 474381339 · Headquarters: Los Altos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  99. The Right Hand Foundation

    EIN 770499977 · Headquarters: LOS ALTOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. The Robert and Diane Weissman Foundation

    EIN 770560173 · Headquarters: LOS ALTOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

First page and all pages