Nonprofits in San Marcos, California

Nonprofits in San Marcos, California. Browse 437 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. 449Th Bomb Group Association Ww2

    EIN 431297064 · Headquarters: San Marcos, CA, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. A Voice Can Save a Life

    EIN 823895506 · Headquarters: SAN MARCOS, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Abandoned Innocence International

    EIN 455446721 · Headquarters: San Marcos, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Addiction Consulting Educational Services Inc

    EIN 020540184 · Headquarters: San Marcos, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. Al-ameen for Humanitarian Support

    EIN 821563778 · Headquarters: San Marcos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Alcor Agg Inc

    EIN 331276965 · Headquarters: SAN MARCOS, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Alef Hebrew School

    EIN 833573501 · Headquarters: San Marcos, CA, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Alexander and Eva Nemeth Foundation Inc

    EIN 811889016 · Headquarters: San Marcos, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Alpha Kappa Psi Fraternity

    EIN 330863406 · Headquarters: San Marcos, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Alpha Sigma Phi Fraternity Inc

    EIN 824303730 · Headquarters: San Marcos, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Amateur Athletic Union of the United States Inc

    EIN 473057194 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Amateur Athletic Union of the United States Inc

    EIN 800526411 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Amateur Athletic Union of the United States Inc

    EIN 853244033 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. Amazing Life

    EIN 264436191 · Headquarters: San Marcos, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  15. American Association of University Women Inc

    EIN 956080527 · Headquarters: San Marcos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  16. American Federation of Teachers Palomar Council of Classified Employees

    EIN 330233314 · Headquarters: San Marcos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. American Youth Football Inc

    EIN 453640611 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  18. Americanos Leadership Foundation

    EIN 030398293 · Headquarters: SAN MARCOS, CA, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. Angela Spence Foundation

    EIN 330863311 · Headquarters: SAN MARCOS, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Associated Students Inc of California State University San Marcos

    EIN 330556915 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Associated Students of Palomar College

    EIN 956000176 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Association of Business Trial Lawyers Northern California Chapter

    EIN 943139617 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Autism Health Inc

    EIN 993862116 · Headquarters: San Marcos, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Avid Behavioral Day Program Corp

    EIN 462444230 · Headquarters: SAN MARCOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Azadi Healing

    EIN 334468188 · Headquarters: SAN MARCOS, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Baja Pacific Foundation

    EIN 872498660 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Barakat Caravan

    EIN 331601908 · Headquarters: SAN MARCOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Barca Global Inc

    EIN 392261518 · Headquarters: San Marcos, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Barracudas Booster Club

    EIN 330564729 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Baypoint Preparatory Academy

    EIN 474018061 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Bayshore Preparatory Charter School

    EIN 202238710 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  32. Beat the Cycle Inc

    EIN 992926533 · Headquarters: SAN MARCOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Bertrand Brca Foundation

    EIN 463963618 · Headquarters: San Marcos, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Birth Choice of San Marcos

    EIN 330250034 · Headquarters: SAN MARCOS, CA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Birth Network

    EIN 383508952 · Headquarters: SAN MARCOS, CA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. Blessed Feet Studios Inc

    EIN 933548469 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Bodhi Hill Buddhist Center- Chua Vien Quang

    EIN 454161304 · Headquarters: SAN MARCOS, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Bolton Foundation Inc

    EIN 862450180 · Headquarters: San Marcos, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Boys & Girls Club of San Marcos

    EIN 953330218 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Breaker Ministries

    EIN 821955532 · Headquarters: San Marcos, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Brewcycling Collaborative Inc

    EIN 921650819 · Headquarters: San Marcos, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Budo Centre Inc

    EIN 263037280 · Headquarters: San Marcos, CA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Buhay Uunlad Kalusugan Alalayan Mga Seniors of San Diego

    EIN 830818887 · Headquarters: San Marcos, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Building for a Better Tomorrow Inc

    EIN 461204264 · Headquarters: SAN MARCOS, CA, USA · Housing & Shelter · Latest available filing year: 2015 · Primary form: IRS Form 990

  45. Building Hope Foundation Inc

    EIN 274747874 · Headquarters: San Marcos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Butterfly Farms

    EIN 464000153 · Headquarters: San Marcos, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. By His Grace Homeless Outreach Ministry Inc

    EIN 204409720 · Headquarters: san marcos, CA, US · Housing & Shelter · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  48. Cal Tau Alumni Volunteer Corporation of Sigma Phi Epsilon

    EIN 873310750 · Headquarters: San Marcos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. California Association of Flower Growers and Shippers

    EIN 940722843 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. California Association of Labor Relations Officers Inc - Calro

    EIN 953147336 · Headquarters: San Marcos, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. California Association of Transaction Coordinators Inc

    EIN 883255897 · Headquarters: San Marcos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. California Border Association of USA Boxing Inc

    EIN 853823318 · Headquarters: SAN MARCOS, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. California Federation of Womens Clubs

    EIN 953409043 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. California Retired Teachers Association

    EIN 237140619 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. California State University San Marcos Foundation

    EIN 800390564 · Headquarters: SAN MARCOS, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. California Teachers Association

    EIN 953848982 · Headquarters: San Marcos, CA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Calvary Online School

    EIN 463110493 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Capalina Mobile Home Owners Association

    EIN 330791801 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Cardinal Alliance Parent Organization

    EIN 815159740 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Carpe D I E M Outreach Inc

    EIN 991430661 · Headquarters: SAN MARCOS, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Casa De Amparo

    EIN 953315571 · Headquarters: San Marcos, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Castano Family Foundation

    EIN 251911944 · Headquarters: SAN MARCOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  63. Catherine J Snow Stroke Foundation Inc

    EIN 203685351 · Headquarters: San Marcos, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  64. Cbmc Inc

    EIN 953082020 · Headquarters: San Marcos, CA, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  65. Celebrating Holidays

    EIN 611552763 · Headquarters: San Marcos, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Centro Cristiano El Buen Pastor

    EIN 800945541 · Headquarters: SAN MARCOS, CA, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  67. Cf Velocidad Inc

    EIN 464483094 · Headquarters: San Marcos, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  68. Changing the Face of Recovery

    EIN 472698555 · Headquarters: San Marcos, CA, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. Charity Max

    EIN 460913208 · Headquarters: SAN MARCOS, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Charros De Escondido

    EIN 900825997 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  71. Chesed Hands

    EIN 473703657 · Headquarters: SAN MARCOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  72. Children Arts & More

    EIN 863169761 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Childrens Health Missions International Inc

    EIN 611560439 · Headquarters: San Marcos, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  74. Christ to the Nations

    EIN 455513056 · Headquarters: San Marcos, CA, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Civic Youth Orchestra Inc

    EIN 952648630 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Clan Rose Association Inc

    EIN 871806825 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. Coastal Artists

    EIN 800247262 · Headquarters: San Marcos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Coming King Ministry

    EIN 332341694 · Headquarters: SAN MARCOS, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Community Advancement Development Corporation

    EIN 463661469 · Headquarters: San Marcos, CA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Covenantal Family Ministries

    EIN 453422189 · Headquarters: San Marcos, CA, US · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  81. Cpt Institute Inc

    EIN 593198066 · Headquarters: SAN MARCOS, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Crosby Recovery Foundation

    EIN 455301814 · Headquarters: San Marcos, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. CSUSM Corporation

    EIN 330397688 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Current Wisdom

    EIN 953893988 · Headquarters: SAN MARCOS, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  85. David T and Dorris E Staples Foundation

    EIN 330723110 · Headquarters: SAN MARCOS, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. David's Tent International Inc

    EIN 832041657 · Headquarters: SAN MARCOS, CA, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  87. Deer Springs Oaks Inc

    EIN 956091844 · Headquarters: San Marcos, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Delta Sigma Theta Sorority Inc

    EIN 932012884 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Destined for Greatness Ministry Intenational

    EIN 262074367 · Headquarters: San Marcos, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  90. Developmental Services Network

    EIN 680477350 · Headquarters: SAN MARCOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Diabetes Sports Project Foundation

    EIN 383990784 · Headquarters: SAN MARCOS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Diabetic Assistance Group Inc

    EIN 473349873 · Headquarters: SAN MARCOS, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990

  93. Diabetic Partners Inc

    EIN 464028469 · Headquarters: SAN MARCOS, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990

  94. Diaspora Burji Community Organization Inc

    EIN 473363829 · Headquarters: San Marcos, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Discovery Elementary School Pto

    EIN 330756834 · Headquarters: SAN MARCOS, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Doing Exceptional Deeds

    EIN 863043055 · Headquarters: San Marcos, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Double Peak Music Booster Club

    EIN 473681176 · Headquarters: San Marcos, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Double Peak Parent Teacher Organization

    EIN 473651152 · Headquarters: San Marcos, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Downstown Inc

    EIN 330090522 · Headquarters: San Marcos, CA, USA · Housing & Shelter · Latest available filing year: 2017 · Primary form: IRS Form 990

  100. Drawing Across the Lines Inc

    EIN 873711717 · Headquarters: SAN MARCOS, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

All pages