Human Services nonprofits in California

Human Services nonprofits in California. Browse 20,757 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. Open House Center

    EIN 814301838 · Headquarters: Concord, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Open Kitchen Slo

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

  3. Open Nlp Labs

    EIN 994354071 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Open Source Wellness

    EIN 813440555 · Headquarters: El Cerrito, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Opening Doors for Multicultural Disability Communities

    EIN 264013223 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Opera Project Carmel

    EIN 264290942 · Headquarters: Pacific Grove, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Operation 3801 Inc

    EIN 571157428 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  8. Operation Action Packed

    EIN 208456546 · Headquarters: Santa Cruz, CA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  9. Operation America Cares

    EIN 274283172 · Headquarters: ESCONDIDO, CA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  10. Operation Beale Warm Heart

    EIN 475398812 · Headquarters: BEALE AFB, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Operation Big Blessings Incorporated

    EIN 820612096 · Headquarters: Menifee, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Operation Blanket

    EIN 273185132 · Headquarters: COMPTON, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Operation Blue Christmas

    EIN 932578435 · Headquarters: Simi Valley, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Operation Blue Pride

    EIN 453238695 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Operation Care and Comfort

    EIN 273116300 · Headquarters: FAIRFIELD, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Operation Christmas Blessing

    EIN 934159144 · Headquarters: HANFORD, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Operation Christmas Inc

    EIN 843353992 · Headquarters: Mission Viejo, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Operation Christmas Tree Inc

    EIN 854273692 · Headquarters: WINDSOR, CA, USA · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990

  19. Operation Courage Is Beautiful

    EIN 474812161 · Headquarters: SAN DIEGO, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Operation Coy Inc

    EIN 770559449 · Headquarters: ATASCADERO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Operation Crush Cancer

    EIN 853022436 · Headquarters: Woodland Hills, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Operation Dirtbike Freedom

    EIN 475511645 · Headquarters: glendora, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Operation Dream Life

    EIN 991916737 · Headquarters: Camarillo, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Operation Enduring Freedom Family Fund

    EIN 571158565 · Headquarters: Ridgecrest, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Operation Epic Inc

    EIN 452740497 · Headquarters: Newport Beach, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Operation First Night

    EIN 205131339 · Headquarters: san diego, CA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Operation Food We Care

    EIN 311715253 · Headquarters: STANTON, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Operation For HOPE Foundation

    EIN 262030057 · Headquarters: La Jolla, CA, United States · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Operation Forging Resilience

    EIN 471920061 · Headquarters: Emeryville, CA, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  30. Operation Gift a Smile

    EIN 474899369 · Headquarters: HUNTINGTON BEACH, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Operation Give a Damn Inc

    EIN 371962002 · Headquarters: San Francisco, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Operation Give Back

    EIN 352576046 · Headquarters: Salinas, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Operation Give Kindness Corp

    EIN 862069138 · Headquarters: PLACENTIA, CA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  34. Operation Good Deed LLC

    EIN 412690341 · Headquarters: Rancho Santa Fe, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Operation Good to Go

    EIN 823921572 · Headquarters: San Diego, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. Operation Good Works Inc

    EIN 271102304 · Headquarters: Indio, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Operation Health Aid

    EIN 943275965 · Headquarters: SAN CARLOS, CA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. Operation Help the Homeless

    EIN 463549673 · Headquarters: WHITTIER, CA, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990

  39. Operation Helping Hands

    EIN 364806249 · Headquarters: MISSION VIEJO, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Operation Hthc

    EIN 822620529 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Operation Hunt 4 Heroes

    EIN 832264902 · Headquarters: BAKERSFIELD, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Operation Just Because Organization

    EIN 934536908 · Headquarters: Antioch, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Operation Kindness of Southern California

    EIN 853081098 · Headquarters: Whittier, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Operation Kringle

    EIN 862274076 · Headquarters: Lakewood, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Operation New Hope

    EIN 953655541 · Headquarters: SAN BERNARDINO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Operation of Faith

    EIN 882603964 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Operation Packing Company Inc

    EIN 813665494 · Headquarters: LOS BANOS, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Operation Paid Forward

    EIN 455584637 · Headquarters: OROVILLE, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Operation Promise Community Service

    EIN 850533309 · Headquarters: SAN DIEGO, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Operation Push-out

    EIN 330605835 · Headquarters: Palm Springs, CA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  51. Operation Safe House Inc

    EIN 330326090 · Headquarters: RIVERSIDE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Operation Santa Claus

    EIN 942920191 · Headquarters: BRISBANE, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Operation Santa Clothes a Nonprofit Corp of Rotary Club Covina-sunrise

    EIN 311656983 · Headquarters: COVINA, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Operation Santa Inc

    EIN 872501681 · Headquarters: Hidden Valley Lake, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Operation Santas Sleigh Llc

    EIN 393723873 · Headquarters: Long Beach, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Operation Save the Streets

    EIN 471772205 · Headquarters: windsor hills, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Operation Scholars

    EIN 923745845 · Headquarters: STOCKTON, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Operation Share International Inc

    EIN 208255771 · Headquarters: Roseville, CA, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  59. Operation Silver Star

    EIN 451608859 · Headquarters: Menifee, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  60. Operation Tango Mike

    EIN 455639109 · Headquarters: KELSEYVILLE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Operation Top Hat

    EIN 300288198 · Headquarters: San Carlos, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Operation Troop Outreach

    EIN 473783599 · Headquarters: LODI, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Operation Uplife

    EIN 990689566 · Headquarters: Fresno, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Operation Vet Shield

    EIN 994848234 · Headquarters: Pine Valley, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Operation Walk of Los Angeles Inc

    EIN 822410627 · Headquarters: TORRANCE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Operation with Love from Home

    EIN 473711788 · Headquarters: NAPA, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Operation Work Warriors

    EIN 455071278 · Headquarters: San Carlos, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  68. Operation Zero Homeless

    EIN 863211591 · Headquarters: San Jose, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Operation-365

    EIN 300878476 · Headquarters: Canoga Park, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Ophoenix Public Benefit Corporation

    EIN 202761771 · Headquarters: NOVATO, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Opica Adult Day Program & Counseling Center

    EIN 953493725 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Opoa Foundation

    EIN 333295221 · Headquarters: LEMON GROVE, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Oportunidades Nuevas

    EIN 934202834 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Opportunities for Success

    EIN 932099010 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Opportunities for Understanding Community Healing Ouch Inc

    EIN 542187400 · Headquarters: Elk Grove, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  76. Opportunities in Healthcare for Los Angeles Youth Inc

    EIN 461436245 · Headquarters: Temple City, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  77. Opportunities Team

    EIN 161629304 · Headquarters: North Hills, CA, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  78. Opportunity Cost Exchange

    EIN 263591662 · Headquarters: Murrieta, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  79. Opportunity for Independence Inc

    EIN 680256574 · Headquarters: SAN RAFAEL, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Opportunity Plus Inc

    EIN 943149482 · Headquarters: BERKELEY, CA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990

  81. Opportunity Unlimited

    EIN 455574732 · Headquarters: San Francisco, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Optimal Child Development Center

    EIN 953374660 · Headquarters: COMPTON, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Optimentality

    EIN 812793152 · Headquarters: LAGUNA NIGUEL, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Optimism Foundation

    EIN 872317592 · Headquarters: MILPITAS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Optimist International

    EIN 872778779 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Options for Fathers Inc

    EIN 050565030 · Headquarters: Elk Grove, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Options Pregnancy Resources for the Eastern Sierra

    EIN 922695943 · Headquarters: BISHOP, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Options United

    EIN 264424046 · Headquarters: Camarillo, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Options3 Inc

    EIN 680361263 · Headquarters: SANTA ROSA, CA, USA · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  90. Opulent Wellness

    EIN 923518397 · Headquarters: Bellflower, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Oracles of Truth

    EIN 271806618 · Headquarters: Sacramento, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Orange Blossom Native Nation

    EIN 611656568 · Headquarters: IRVINE, CA, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  93. Orange County Alliance for Just Change

    EIN 815411839 · Headquarters: Newport Beach, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Orange County Amazing Grace Ministries Dba Soulrapha

    EIN 200900079 · Headquarters: TUSTIN, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Orange County Bomberos

    EIN 883709106 · Headquarters: Yorba Linda, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Orange County Burrito Project

    EIN 475352644 · Headquarters: Torrance, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Orange County Children's Foundation

    EIN 330651167 · Headquarters: FULLERTON, CA, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  98. Orange County Chinese Community Service

    EIN 384217667 · Headquarters: LAKE FOREST, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Orange County Cornerstone Outreach

    EIN 020809597 · Headquarters: Lake Forest, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Orange County Deaf Equal Access Foundation Inc

    EIN 954608289 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

First page and all pages