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. One Carmel Foundation

    EIN 883447023 · Headquarters: MILPITAS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. One Child Our Village Foundation Inc

    EIN 954628130 · Headquarters: Beverly Hills, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. One Child-one Love

    EIN 461790175 · Headquarters: Rancho Cucamonga, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. One Come-unity

    EIN 851234479 · Headquarters: Desert Hot Springs, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. One Day at a Time

    EIN 800934645 · Headquarters: Oakland, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. One Degree

    EIN 364729392 · Headquarters: San Francisco, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. One Dog Rescue

    EIN 451705854 · Headquarters: Seal Beach, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. One Door - Community Resource and Recovery Center

    EIN 814587201 · Headquarters: BAKERSFIELD, CA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  9. One Earth Foundation

    EIN 475347492 · Headquarters: PALM SPRINGS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. One Family at a Time

    EIN 934109708 · Headquarters: NORTHRIDGE, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. One Giving Tree

    EIN 874094725 · Headquarters: GILROY, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. One Heart Movement

    EIN 873209077 · Headquarters: Fullerton, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. One Heart to Another Inc

    EIN 813323304 · Headquarters: SAN MARTIN, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. One Heart Way Inc

    EIN 824937400 · Headquarters: LOS ANGELES, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. One Kind World Foundation

    EIN 332247924 · Headquarters: Santa Monica, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. One League Global Scholarship Fund

    EIN 900750005 · Headquarters: San Francisco, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. One Life Foundation Inc

    EIN 934127555 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. One Light Foundation

    EIN 342067101 · Headquarters: VALLEY VLG, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. One Love Foundation Inc

    EIN 611907188 · Headquarters: MARINA DEL REY, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. One Love Fund Inc

    EIN 474448953 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. One Love Resources Foundation Inc

    EIN 453458515 · Headquarters: Elk Grove, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  22. One Love Unlimited Hope

    EIN 873872551 · Headquarters: BELLFLOWER, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. One Moon Foundation

    EIN 460555630 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. One More Chance

    EIN 611749379 · Headquarters: Corona, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. One Myanmar Community Inc

    EIN 454506367 · Headquarters: Union City, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. One Nation Many Paths

    EIN 822635960 · Headquarters: PINE VALLEY, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. One Nation One California

    EIN 954632033 · Headquarters: Yreka, CA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. One New Heartbeat

    EIN 300648564 · Headquarters: SACRAMENTO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. One on One Against Hunger

    EIN 331022288 · Headquarters: Tracy, CA, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  30. One on One Outreach Inc

    EIN 954827124 · Headquarters: LOS ANGELES, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. One Percent to End Hunger Inc

    EIN 455348779 · Headquarters: SANTA FE SPRINGS, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. One Place

    EIN 994514364 · Headquarters: Bakersfield, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. One Seed of Hope

    EIN 861412200 · Headquarters: NORTH HOLLYWOOD, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. One Share Fund

    EIN 873898109 · Headquarters: Altadena, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. One Small Step

    EIN 364858572 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. One Soul Foundation

    EIN 464535895 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  37. One Source - Empowering Caregivers

    EIN 472620969 · Headquarters: Cedar Ridge, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. One Starfish

    EIN 861143674 · Headquarters: MONTEREY, CA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  39. One Step Away Project

    EIN 994211343 · Headquarters: Long Beach, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. One Step Ministry

    EIN 851105343 · Headquarters: Irvine, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. One Step Projects

    EIN 475517778 · Headquarters: SAN DIEGO, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. One Stop Immigration and Educacional Center

    EIN 473182071 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. One Student One Dollar

    EIN 264742570 · Headquarters: VAN NUYS, CA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  44. One Swing One Smile Foundation

    EIN 412761150 · Headquarters: IRVINE, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. One Synergy

    EIN 934125055 · Headquarters: ARCADIA, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. One Treasure Island

    EIN 943280624 · Headquarters: SAN FRANCISCO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. One Tree Nation

    EIN 862632667 · Headquarters: Corona, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. One Type Inc

    EIN 921947797 · Headquarters: Vista, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. One Up Project Inc

    EIN 464440235 · Headquarters: Alhambra, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. One Village Foundation Inc

    EIN 260870248 · Headquarters: LOS ANGELES, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  51. One Voice

    EIN 953900124 · Headquarters: Santa Monica, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. One Warm Coat

    EIN 743045243 · Headquarters: SAN FRANCISCO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. One with the Ocean Formerly SMOG

    EIN 842273756 · Headquarters: Los Angeles, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. One World Awareness Inc

    EIN 934352040 · Headquarters: LOS ANGELES, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. One World One Family Foundation

    EIN 993317535 · Headquarters: Fremont, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. One World One Sai

    EIN 842210171 · Headquarters: Fremont, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. One World Solutions for Lrng Fd Inc

    EIN 383858525 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Onecolture

    EIN 471909729 · Headquarters: indio, CA, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  59. Onelife of Kindness

    EIN 850524354 · Headquarters: VALLEY VLG, CA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Onepassage

    EIN 472668704 · Headquarters: SAN FRANCISCO, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Onepulse Inc

    EIN 464008602 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  62. Onesie Twosie

    EIN 272098614 · Headquarters: Kensington, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  63. Onlife Prevention Organization

    EIN 264143944 · Headquarters: san diego, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  64. Only Kindness Inc

    EIN 912039393 · Headquarters: LOS GATOS, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Only Live Once Inc

    EIN 462031543 · Headquarters: Los Banos, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  66. Only Way to West

    EIN 455420080 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  67. Only with Consent Inc

    EIN 464677200 · Headquarters: San Diego, CA, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. Onroute22

    EIN 813459472 · Headquarters: San Jose, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Ontario Commons Business Park Owners Ass Ociation

    EIN 300572525 · Headquarters: WESTMINSTER, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Ontario Ridge Conservancy Inc

    EIN 933700363 · Headquarters: Avila Beach, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Ontrack Program Resources Inc

    EIN 680411738 · Headquarters: SACRAMENTO, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Onward Financial Inc

    EIN 820874931 · Headquarters: san francisco, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Oobie

    EIN 923044435 · Headquarters: SAN FRANCISCO, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Oodles Academy Foundation Inc

    EIN 884092340 · Headquarters: CERRITOS, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Ookay Health

    EIN 853045120 · Headquarters: LaVerne, CA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  76. Oparc

    EIN 951943396 · Headquarters: Montclair, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Open Arms Ashiana

    EIN 810793911 · Headquarters: MONTE SERENO, CA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. Open Arms Family Outreach

    EIN 471659727 · Headquarters: Irvine, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Open Arms Family Support Network

    EIN 954402723 · Headquarters: west covina, CA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. Open Arms Fosterage Inc

    EIN 454779081 · Headquarters: Lancaster, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  81. Open Arms Housing Foundation Inc

    EIN 822108655 · Headquarters: EAST LOS ANGELES, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Open Arms Makes A Difference

    EIN 272117045 · Headquarters: Ontario, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Open Arms Mens Center Inc

    EIN 912162654 · Headquarters: Beverly Hills, CA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  84. Open Arms Shelter for Women and Children with AIDS

    EIN 954468851 · Headquarters: Los Angeles, CA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  85. Open Books

    EIN 812417437 · Headquarters: Culver City, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Open City Dance

    EIN 834244443 · Headquarters: Concord, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Open Door Center for Integrative Healing

    EIN 474177256 · Headquarters: Santa Ana, CA, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  88. Open Door Foundation

    EIN 412243225 · Headquarters: SAN JOSE, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Open Door Foundation Services

    EIN 853647842 · Headquarters: San Ramon, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Open Door Mission Incorporated

    EIN 941360213 · Headquarters: Grass Valley, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Open Door Skidrow Ministry Inc

    EIN 270215101 · Headquarters: PALMDALE, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Open Door Studio

    EIN 862226385 · Headquarters: Oxnard, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Open Door-USA Inc

    EIN 821845003 · Headquarters: La Jolla, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Open Doors Mission

    EIN 933244503 · Headquarters: Corona, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Open Doors Slavic Ministries

    EIN 263849042 · Headquarters: Sacramento, CA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Open Doors to Future Possibilities Inc

    EIN 833226119 · Headquarters: SAN JOSE, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Open Families Inc

    EIN 814990441 · Headquarters: Walnut Creek, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Open Hands Living DBA Grace International Orphanage

    EIN 823566311 · Headquarters: Chico, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Open Hearts and Hands of Hope

    EIN 922830960 · Headquarters: Lancaster, CA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Open Hearts Open Homes

    EIN 452443347 · Headquarters: PALMDALE, CA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

First page and all pages