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. Oceanside Gardens Inc

    EIN 770385185 · Headquarters: San Luis Obispo, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Old Mission Grammar School Parents Club

    EIN 953679419 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Omicron Mu Chapter of Chi Omega House Corporation

    EIN 680674211 · Headquarters: San Luis Obispo, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. One Cool Earth

    EIN 341939404 · Headquarters: San Luis Obispo, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. One Mom S Battle

    EIN 471118171 · Headquarters: San Luis Obispo, CA, US · Crime & Legal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  6. Open Kitchen Slo

    EIN 393576788 · Headquarters: San Luis Obispo, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Openfarm Inc

    EIN 472888335 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. Operation Surf

    EIN 263661313 · Headquarters: SAN LUIS OBISPO, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Options Family of Services

    EIN 770109107 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Our Sacred Planet

    EIN 933333858 · Headquarters: SAN LUIS OBISPO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. P a L S Foundation

    EIN 770433963 · Headquarters: San Luis Obispo, CA, US · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  12. Pacific Tractor Pullers Association

    EIN 942381950 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Pacific Wildlife Care

    EIN 770196350 · Headquarters: San Luis Obispo, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Parable Ministries Foundation

    EIN 770499330 · Headquarters: SAN LUIS OBISPO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  15. Parents Families and Friends of Lesbians and Gays Inc

    EIN 421766432 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. Paso Robles Cab Collective

    EIN 461639273 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Pearls of Africa Childrens Fund

    EIN 811255848 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. People's Self-Help Housing

    EIN 952750154 · Headquarters: San Luis Obispo, CA, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Peoples Opportunity Fund

    EIN 273379735 · Headquarters: SAN LUIS OBISPO, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Performance Athletics Boosters

    EIN 161698173 · Headquarters: SAN LUIS OBISPO, CA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. Phi Delta Theta California Nu

    EIN 884261071 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Phi Gamma Delta Fraternity

    EIN 862635056 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Phi Kappa Psi Alumni Corporation of the California Eta Chapter

    EIN 471014031 · Headquarters: SAN LUIS OBISPO, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Pi Kappa Alpha Fraternity Iota Theta Chapter

    EIN 770166926 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  25. Pi Kappa Phi Fraternity Kappa Pi

    EIN 813847884 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Pipers Fund Incorporated

    EIN 825105819 · Headquarters: San Luis Obispo, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. Play Ball America

    EIN 273985276 · Headquarters: SAN LUIS OBISPO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  28. Plumbers & Steamfitters Local No 403

    EIN 951318035 · Headquarters: SAN LUIS OBISPO, CA, USA · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990

  29. Poly Canyon Ventures

    EIN 820686244 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. Portuguese Holy Spirit Society Inc

    EIN 237105165 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Posafy

    EIN 815300299 · Headquarters: San Luis Obispo, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Positive Ride Jams Inc

    EIN 842493451 · Headquarters: San Luis Obispo, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Professional Association of City Employees

    EIN 463897943 · Headquarters: San Luis Obispo, CA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Promoting Extracurricular Activities for Kids Inc

    EIN 992630476 · Headquarters: San Luis Obispo, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Prothoma Foundation Inc

    EIN 873934664 · Headquarters: San Luis Obispo, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Psi Chi the National Honor Society in Psychology

    EIN 943239310 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Pta California Congress Cl Smith Pta

    EIN 956207130 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Pta California Congress of Parents Teachers & Students Inc

    EIN 237053147 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Pta California Congress of Parents Teachers & Students Inc

    EIN 956205165 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Pta California Laguna Middle School

    EIN 770072330 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  41. Public Safety Development Inc

    EIN 872388550 · Headquarters: San Luis Obispo, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Puma Booster Club Inc

    EIN 770519061 · Headquarters: SAN LUIS OBISPO, CA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  43. Rad Boosters

    EIN 473366383 · Headquarters: San Luis Obispo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Rancho Caballo Mutual Benefit Water Company

    EIN 522413466 · Headquarters: San Luis Obispo, CA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Rattlers Baseball Development Group Inc

    EIN 264321494 · Headquarters: SAN LUIS OBISPO, CA, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  46. React Alliance

    EIN 934242395 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Real Estate Foundation of San Luis Obispo County

    EIN 800383894 · Headquarters: SAN LUIS OBISPO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Refrigeration Service Engineers Society

    EIN 956097131 · Headquarters: San Luis Obispo, CA, US · Science & Technology · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  49. Restorative Partners Inc

    EIN 474825349 · Headquarters: SAN LUIS OBISPO, CA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Retired Active Men Incorporated

    EIN 770250425 · Headquarters: San Luis Obispo, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Retired Active Men Incorporated

    EIN 770425044 · Headquarters: San Luis Obispo, CA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  52. Retired Faculty and Staff Association

    EIN 991000330 · Headquarters: San Luis Obispo, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Rev Martin Luther King Jr High School Memorial Scholarship Fund

    EIN 956228943 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Rise San Luis Obispo County

    EIN 953415650 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  55. Rise Up Inc

    EIN 203645281 · Headquarters: San Luis Obispo, CA, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Ritas Rainbows

    EIN 263348094 · Headquarters: San Luis Obispo, CA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  57. Robert H Janssen Foundation Inc

    EIN 770442603 · Headquarters: SAN LUIS OBISPO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  58. Roots Collective

    EIN 270719457 · Headquarters: San Luis Obispo, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  59. Rossi Foundation

    EIN 770300896 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  60. Rotaract Club of San Luis Obispo

    EIN 271138309 · Headquarters: San Luis Obispo, CA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Rotary Club of San Luis Obispo Charities

    EIN 770186489 · Headquarters: SAN LUIS OBISPO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Rotary Club of San Luis Obispo Daybrea

    EIN 770505305 · Headquarters: San Luis Obispo, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Rotary Club of San Luis Obispo De Tolosa

    EIN 770064387 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Rotary Club of San Luis Obispo De Tolosa Charities Inc

    EIN 770207218 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Royal Arch Masons of California

    EIN 953827511 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Rural Telemedicine Foundation Inc

    EIN 271118400 · Headquarters: San Luis Obispo, CA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  67. San Luis Chamber Orchestra

    EIN 330749332 · Headquarters: San Luis Obispo, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. San Luis Coastal Education Foundation

    EIN 824196024 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. San Luis Coastal Unified School District Foundation

    EIN 953823538 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  70. San Luis Distance Club

    EIN 237386903 · Headquarters: San luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. San Luis Obispo Agricultural Youth Booster Club

    EIN 770503571 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. San Luis Obispo Alpha Inc

    EIN 953570504 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. San Luis Obispo Archaeological Society

    EIN 237433905 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  74. San Luis Obispo Bicycle Club Inc

    EIN 953126309 · Headquarters: SAN LUIS OBISPO, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. San Luis Obispo Blues Society

    EIN 770243462 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. San Luis Obispo Cal Ripken Baseball

    EIN 237087786 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. San Luis Obispo Canterbury Foundation

    EIN 263235600 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. San Luis Obispo Career Technical Education Foundation

    EIN 201405868 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. San Luis Obispo Chapter 170 of the Experimental Aircraft Assn Inc

    EIN 953162296 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. San Luis Obispo Child Development Center Child Development Resource Center

    EIN 237111804 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. San Luis Obispo Children's Museum

    EIN 770261830 · Headquarters: SAN LUIS OBISPO, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. San Luis Obispo City Employees Association

    EIN 953508949 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. San Luis Obispo Classical Academy

    EIN 203131883 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. San Luis Obispo Collaborative Practice Group

    EIN 811504159 · Headquarters: San Luis Obispo, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. San Luis Obispo Committee for Education on Alcoholism (AKA Middle House)

    EIN 956136040 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. San Luis Obispo Community Ice Rink

    EIN 412557121 · Headquarters: SAN LUIS OBISPO, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. San Luis Obispo Community Leadership Foundation

    EIN 770417076 · Headquarters: SAN LUIS OBISPO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. San Luis Obispo County Arts Council Dba Arts Obispo

    EIN 953738562 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. San Luis Obispo County Bar Association

    EIN 770228620 · Headquarters: San Luis Obispo, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. San Luis Obispo County Bar Association Charties Inc

    EIN 320260978 · Headquarters: San Luis Obispo, CA, USA · Crime & Legal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  91. San Luis Obispo County Bicycle Coalition

    EIN 753021545 · Headquarters: SAN LUIS OBISPO, CA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. San Luis Obispo County Builders Exchange

    EIN 951861340 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. San Luis Obispo County Community College Financing Corporation

    EIN 770294178 · Headquarters: San Luis Obispo, CA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  94. San Luis Obispo County Community Fire Safe Council

    EIN 770563035 · Headquarters: SAN LUIS OBISPO, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. San Luis Obispo County Deputy Sheriffs Association

    EIN 953112965 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. San Luis Obispo County Electrical

    EIN 951742909 · Headquarters: SAN LUIS OBISPO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  97. San Luis Obispo County Electrical Joint Apprenticeship and Training Trust Fund

    EIN 770123661 · Headquarters: SAN LUIS OBISPO, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. San Luis Obispo County Employees' Association

    EIN 952150962 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. San Luis Obispo County Ethnic Minority Advocacy Network

    EIN 770343661 · Headquarters: San Luis Obispo, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. San Luis Obispo County Farm Bureau

    EIN 951659761 · Headquarters: SAN LUIS OBISPO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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