Nonprofits in Castro Valley, California

Nonprofits in Castro Valley, California. Browse 355 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. Cve Pata

    EIN 463458121 · Headquarters: Castro Valley, CA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  2. Cvhs Trojan Brigade Boosters

    EIN 392923057 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Demolay International

    EIN 237587252 · Headquarters: Castro Valley, CA, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  4. Demolay International

    EIN 237587275 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. District 15 Al-Anon Alateen Family

    EIN 943050610 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. District 21 American Contract Bridge League

    EIN 264301366 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Dream School Foundation USA

    EIN 842235416 · Headquarters: CASTRO VALLEY, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Duchen Foundation

    EIN 854392988 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. East Bay Bat Rays Swimming Association

    EIN 943339873 · Headquarters: Castro Valley, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. East Bay Business Connection

    EIN 993516387 · Headquarters: Castro Valley, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. East Bay Charities Inc

    EIN 943398842 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990

  12. East Bay Connection Volleyball Club

    EIN 943234300 · Headquarters: Castro Valley, CA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  13. East Bay Dachshund Club

    EIN 994039492 · Headquarters: Castro Valley, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. East Bay Spartans Inc

    EIN 991396382 · Headquarters: Castro Valley, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. East Bay Swag

    EIN 800690672 · Headquarters: CASTRO VALLEY, CA, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  16. Eden Community Land Trust

    EIN 852495671 · Headquarters: Castro Valley, CA, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Eden Counseling Services Inc

    EIN 943365039 · Headquarters: CASTRO VALLEY, CA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Eden Garden Club Inc

    EIN 942951745 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Eden Hospital Auxiliary Inc

    EIN 237133993 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Eden Hospital Foundation

    EIN 942883457 · Headquarters: Castro Valley, CA, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990

  21. Eden Medical Staff

    EIN 830732522 · Headquarters: Castro Valley, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Eden Township Healthcare District Financing Corporation

    EIN 472698813 · Headquarters: Castro Valley, CA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Edith M Austin Community Development Corporation

    EIN 464038635 · Headquarters: Castro Valley, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. Educate Young Project

    EIN 882508047 · Headquarters: Castro Valley, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. El Refugio De Esperanza

    EIN 863554510 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Electrochemistry Foundry Inc

    EIN 331527614 · Headquarters: Castro Valley, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Eliodoro E Marasigan Foundation Inc

    EIN 043772995 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Ellm

    EIN 813069514 · Headquarters: CASTRO VALLEY, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Elwyn and Jennifer Berlekamp Foundation

    EIN 462105268 · Headquarters: CASTRO VALLEY, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  30. Euro-christian Partners

    EIN 870704616 · Headquarters: Castro Valley, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Extreme Baseball

    EIN 300857444 · Headquarters: CASTRO VALLEY, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Fern Lodge Inc

    EIN 941753387 · Headquarters: Castro Valley, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Fiji Humanitarian Fund Inc

    EIN 383979940 · Headquarters: Castro Valley, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  34. First Korean Christian Church of San Jose

    EIN 942705758 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  35. Flex-tax Charity Group

    EIN 921330109 · Headquarters: CASTRO VALLEY, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Fli-freedom & Leadership Initiative

    EIN 853314618 · Headquarters: Castro Valley, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. Flying Fillies Equestrian Drill Team

    EIN 273340583 · Headquarters: Castro valley, CA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  38. Follow Up Ministries Inc

    EIN 941381596 · Headquarters: CASTRO VALLEY, CA, USA · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  39. Food Nutrition and Conservation

    EIN 334158208 · Headquarters: Castro Valley, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Forest Hills Swimming Club Inc

    EIN 941421663 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Forestr Org

    EIN 843405350 · Headquarters: Castro Valley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Foundation for Digital Discipleship

    EIN 843492204 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Free and Accepted Masons of CA Crow Canyon 551

    EIN 940380034 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Fresh Start Walnut Creek

    EIN 030483714 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Friends & Me

    EIN 475043980 · Headquarters: Castro Valley, CA, USA · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  46. Friends of Chabad Education Network - Israel

    EIN 934982027 · Headquarters: Castro Valley, CA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Friends of Outdoor Recreation in San Lorenzo

    EIN 300236548 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Friends of San Lorenzo Creek

    EIN 431988292 · Headquarters: Castro Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Friends of the Castro Valley Library

    EIN 942921999 · Headquarters: Castro Valley, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Fund for Education and Enterprise Development

    EIN 636224072 · Headquarters: Castro Valley, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  51. Global Child Rescue Group Inc

    EIN 475109524 · Headquarters: Castro Valley, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. Global Childrens Rights

    EIN 814254424 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Golden Gate Blues Society

    EIN 272191232 · Headquarters: Castro Valley, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Golden Oak Montessori of Hayward Charter

    EIN 263948527 · Headquarters: CASTRO VALLEY, CA, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990

  55. Golden Oak Montessori Parent Teacher Organization

    EIN 814995063 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. Grand Lodge of Dania of California & Nevada

    EIN 946068327 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Gravy Boat Charitable Foundation

    EIN 452512649 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Hands 4 Humanity Inc

    EIN 260322936 · Headquarters: Castro Valley, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Hands for Global Health

    EIN 472006771 · Headquarters: Castro Valley, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Hannah Haile Foundation Nfp

    EIN 883098462 · Headquarters: CASTRO VALLEY, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Hay Pile Inc

    EIN 942476566 · Headquarters: castro valley, CA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Hayward Area Travel Club

    EIN 815229146 · Headquarters: Castro Valley, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Hayward Parent Nursery School Inc

    EIN 942535292 · Headquarters: Castro Valley, CA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  64. Hayward-castro Valley 1491

    EIN 941119031 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Hayward-castro Valley Chapter 934 Women of the Moose

    EIN 942940412 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Hayward-castro Valley Sunrise Rotary Foundation

    EIN 311649789 · Headquarters: Castro Valley, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  67. Health and Human Wellness Foundation

    EIN 261798599 · Headquarters: CASTRO VALLEY, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Healthcare Charities Inc

    EIN 943231546 · Headquarters: Castro Valley, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Heathcare Information and Management Systems Society - No California Chapter

    EIN 364432103 · Headquarters: CASTRO VALLEY, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Hidden People Ministries

    EIN 582585882 · Headquarters: Castro Valley, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Homecoming Global

    EIN 853797769 · Headquarters: CASTRO VALLEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Hop4kids

    EIN 831563216 · Headquarters: Castro Valley, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Hope Flight Foundation

    EIN 421682333 · Headquarters: Castro Valley, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. Hosanna Pathways Co Verne Teyler Executive Director

    EIN 942978777 · Headquarters: CASTRO VALLEY, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. Humanity Love and Mercy

    EIN 873779907 · Headquarters: Castro valley, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Iglesia Cristiana Jesucristo Viene Pronto

    EIN 811574246 · Headquarters: CASTRO VALLEY, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Igreen Planet

    EIN 933472263 · Headquarters: Castro Valley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Independent Elementary PTO

    EIN 920828575 · Headquarters: Castro Valley, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Inner Wheel USA Inc

    EIN 581860271 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Inner Wheel USA Inc

    EIN 581860272 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Inner Wheel USA Inc

    EIN 581860273 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Inner Wheel USA Inc

    EIN 581860287 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Inner Wheel USA Inc

    EIN 581860298 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Inner Wheel USA Inc

    EIN 581860312 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Inner Wheel USA Inc

    EIN 581894518 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Inner Wheel USA Inc

    EIN 581894522 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Inner Wheel USA Inc

    EIN 581894534 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Inner Wheel USA Inc

    EIN 581894537 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Inner Wheel USA Inc

    EIN 581894540 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Inner Wheel USA Inc

    EIN 581894552 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Inner Wheel USA Inc

    EIN 581894555 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Inner Wheel USA Inc

    EIN 581900293 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Inner Wheel USA Inc

    EIN 581942852 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Inner Wheel USA Inc

    EIN 582043391 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Inner Wheel USA Inc

    EIN 582043394 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Inner Wheel USA Inc

    EIN 582043398 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Inner Wheel USA Inc

    EIN 582043418 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Inner Wheel USA Inc

    EIN 592465088 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Inner Wheel USA Inc

    EIN 592968657 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Inner Wheel USA Inc

    EIN 593060903 · Headquarters: Castro Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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