Nonprofits in San Luis Obispo, California

Nonprofits in San Luis Obispo, California. Browse 693 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. 1 Dream Foundation Inc

    EIN 260320711 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. 23 Ventures Inc

    EIN 474593568 · Headquarters: San Luis Obispo, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. 4-H Club & Affliliated 4 H Organ

    EIN 770441693 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  4. 4-H Clubs & Affiliated 4-H Organizations

    EIN 201530453 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  5. 4-H Clubs & Affiliated 4-H Organizations

    EIN 203469462 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  6. 4-H Clubs & Affiliated 4-H Organizations

    EIN 205536727 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  7. 4-H Clubs & Affiliated 4-H Organizations

    EIN 260828163 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  8. 4-H Clubs & Affiliated 4-H Organizations

    EIN 261177370 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. 4-H Clubs & Affiliated 4-H Organizations

    EIN 300448179 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  10. 4-H Clubs & Affiliated 4-H Organizations

    EIN 300448366 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  11. 4-H Clubs & Affiliated 4-H Organizations

    EIN 320221758 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. 4-H Clubs & Affiliated 4-H Organizations

    EIN 320221760 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  13. 4-H Clubs & Affiliated 4-H Organizations

    EIN 371554779 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  14. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544249 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  15. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544254 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  16. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544256 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  17. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544259 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  18. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544262 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544264 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544265 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544266 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  22. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544267 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  23. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544268 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  24. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544269 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  25. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611544271 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  26. 4-H Clubs & Affiliated 4-H Organizations

    EIN 680460646 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  27. 4-H Clubs & Affiliated 4-H Organizations

    EIN 770413147 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  28. 4-H Clubs & Affiliated 4-H Organizations

    EIN 810631599 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  29. 4-H Clubs & Affiliated 4-H Organizations

    EIN 912088873 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  30. 805 Stunt

    EIN 853376384 · Headquarters: San Luis Obispo, CA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. 805 Youth Lacrosse Association

    EIN 473507271 · Headquarters: San Luis Obispo, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. 9-11 Americanthunder

    EIN 260670249 · Headquarters: San Luis Obispo, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Access Foundation

    EIN 954457341 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  34. Access Support Network

    EIN 770205717 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Achievement House Inc

    EIN 200022378 · Headquarters: SAN LUIS OBISPO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Aerocademy Foundation

    EIN 371606478 · Headquarters: San Luis Obispo, CA, US · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Alano Club of San Luis Obispo County

    EIN 952391410 · Headquarters: SAN LUIS OBISPO, CA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Alice Cozzi Heritage Language Foundation

    EIN 030431399 · Headquarters: SAN LUIS OBISPO, CA, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. Alliance for Alternative Agriculture

    EIN 330353392 · Headquarters: San Luis Obispo, CA, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  40. Alliance for Nuclear Responsibility

    EIN 202098666 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Alliance for Nuclear Responsibility Legal Fund

    EIN 203563587 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Aloha Piano Quartet

    EIN 994065995 · Headquarters: SAN LUIS OBISPO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Along Comes Hope Corporation

    EIN 461005173 · Headquarters: SAN LUIS OBISPO, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Alpha Chi Sigma Fraternity Collegiate Chapter

    EIN 311077970 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Alpha Epsilon Pi Fraternity

    EIN 510210504 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  46. Alpha Gamma Delta Fraternity Delta Phi Chapter

    EIN 383984572 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990

  47. Alpha Omega Collective Foundation

    EIN 813068646 · Headquarters: SAN LUIS OBISPO, CA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Alpha Phi International Fraternity

    EIN 203008871 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  49. Alpha Phi Omega

    EIN 363893719 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  50. Alpha Pi Mu Association

    EIN 237299408 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. Alpha Sigma Phi Fraternity Inc

    EIN 831418916 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. America Appreciates Inc

    EIN 260670103 · Headquarters: San Luis Obispo, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. America World Adoption Association-ca

    EIN 300467949 · Headquarters: SAN LUIS OBISPO, CA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  54. American Association of University Women

    EIN 770125540 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. American Backflow Prevention Association

    EIN 900137939 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  56. American Factoring Association

    EIN 270499297 · Headquarters: San Luis Obispo, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. American Federation of Teachers Cuesta College Federation Local 4909

    EIN 330628744 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. American Institute of Graphic Arts

    EIN 262855185 · Headquarters: San Luis Obispo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. American Society of Agricultural Engineers

    EIN 680264435 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Woodland Conservancy

    EIN 472535451 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Ancient Mystical Order of Rosae Crucis

    EIN 237097229 · Headquarters: san luis obispo, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Andreas Canyon Club

    EIN 951446331 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Antioch Church in San Luis Obispo

    EIN 934426345 · Headquarters: SAN LUIS OBISPO, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Anza Vineyard Estates Mutual Water Company

    EIN 822413984 · Headquarters: SAN LUIS OBISPO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Apprentice & Journeyman Trg Tr Fund of So Ca Plmg Htg & Piping Indus

    EIN 952274967 · Headquarters: SAN LUIS OBISPO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Assistance League of San Luis Obispo Co

    EIN 770337378 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Associated Students Inc California Polytechnic State Univ San Luis Obispo

    EIN 952308831 · Headquarters: San Luis Obispo, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Association of Fundraising Professionals

    EIN 473718372 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Association of Notre Dame Clubs Inc - California Central Coast

    EIN 311075356 · Headquarters: SAN LUIS OBISPO, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Association of Operating Room Nurses

    EIN 271271470 · Headquarters: SAN LUIS OBISPO, CA, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  71. Avila Beach Bird Sanctuary Inc

    EIN 811631814 · Headquarters: San Luis Obispo, CA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Aware Awake Alive

    EIN 270940929 · Headquarters: SAN LUIS OBISPO, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990

  73. Az Sinsheimer Family Memory Fund

    EIN 956042718 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Ballet Theatre San Luis Obispo

    EIN 208393945 · Headquarters: SAN LUIS OBISPO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Baron Canyon Mutual Water Company Inc

    EIN 770502041 · Headquarters: SAN LUIS OBISPO, CA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Bellevue Santa Fe Charter School

    EIN 770423073 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Bellevue Santa Fe Charter School Bulldog Parent Teacher Organization

    EIN 920508780 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Benevolent & Protective Order of Elks San Luis Obispo Elks Lodge 322

    EIN 950711489 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Beta Theta Pi Fraternity

    EIN 953433081 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  80. Beyond School

    EIN 841791827 · Headquarters: San Luis Obispo, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  81. Big Brothers Big Sisters of San Luis Obispo County

    EIN 770348487 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Birth and Baby Resource Network

    EIN 770577406 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  83. Bishops Peak Pta

    EIN 956206890 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Black and Gold Booster Club

    EIN 770094164 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Blakeslee Family Foundation Inc

    EIN 770527737 · Headquarters: SAN LUIS OBISPO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  86. Bloved Foundation

    EIN 852174041 · Headquarters: SAN LUIS OBISPO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Blue Marble Foundation

    EIN 841657743 · Headquarters: san luis obispo, CA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  88. Boards Over Borders Inc

    EIN 474968996 · Headquarters: San Luis Obispo, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Bodhi Path Buddhist Center of San Luis Obispo

    EIN 463225399 · Headquarters: San Luis Obispo, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Boots to Roots Incorporated

    EIN 412843833 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Born To Love International

    EIN 822696107 · Headquarters: San Luis Obispo, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Bridges of Comfort International

    EIN 814355297 · Headquarters: San Luis Obispo, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  93. Bytes for Bits

    EIN 814625890 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. C-Court Inc

    EIN 770386774 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Cabrillo Orchid Society Inc

    EIN 770203910 · Headquarters: SAN LUIS OBISPO, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Cal Poly Corporation Veba Trust

    EIN 467470544 · Headquarters: SAN LUIS OBISPO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Cal Poly Foundation

    EIN 204927897 · Headquarters: San Luis Obispo, California, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Cal Poly Housing Corporation

    EIN 912148915 · Headquarters: SAN LUIS OBISPO, CA, USA · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990

  99. Cal Poly Partners

    EIN 951648180 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. California Assoc of Resource Specialists & Special Educators

    EIN 942825419 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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