Mutual & Membership Benefit nonprofits in California

Mutual & Membership Benefit nonprofits in California. Browse 2,396 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. Knights of Columbus

    EIN 204856867 · Headquarters: Petaluma, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 205683891 · Headquarters: Sacramento, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 237104822 · Headquarters: Montebello, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 237107445 · Headquarters: pomona, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 237107476 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 237107481 · Headquarters: Lynwood, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 237107493 · Headquarters: LOS ALAMITOS, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 237107503 · Headquarters: Costa Mesa, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 237107744 · Headquarters: Long Beach, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 237109656 · Headquarters: CITRUS HEIGHTS, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 237109798 · Headquarters: Gilroy, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 237121423 · Headquarters: SOUTH SAN FRANCISCO, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 237142245 · Headquarters: Lemon Grove, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 237142431 · Headquarters: Montague, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 237142437 · Headquarters: Colusa, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 237142617 · Headquarters: Santa Monica, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  17. Knights of Columbus

    EIN 237142935 · Headquarters: Oroville, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 237142975 · Headquarters: Lynwood, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  19. Knights of Columbus

    EIN 237143418 · Headquarters: San Francisco, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  20. Knights of Columbus

    EIN 237143422 · Headquarters: paramount, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  21. Knights of Columbus

    EIN 237168500 · Headquarters: Eureka, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. Knights of Columbus

    EIN 237184905 · Headquarters: Temple City, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Knights of Columbus

    EIN 237190569 · Headquarters: ATWATER, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. Knights of Columbus

    EIN 237295886 · Headquarters: Carson, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  25. Knights of Columbus

    EIN 237540955 · Headquarters: SANTA MONICA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Knights of Columbus

    EIN 237541067 · Headquarters: AZUSA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Knights of Columbus

    EIN 237541128 · Headquarters: Patterson, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Knights of Columbus

    EIN 237541137 · Headquarters: Twentynine Palms, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 237541142 · Headquarters: LA MIRADA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Knights of Columbus

    EIN 237541158 · Headquarters: Venice, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  31. Knights of Columbus

    EIN 237541201 · Headquarters: RANCHO CORDOVA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Knights of Columbus

    EIN 237541239 · Headquarters: Union City, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Knights of Columbus

    EIN 237546480 · Headquarters: Campbell, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Knights of Columbus

    EIN 260072630 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  35. Knights of Columbus

    EIN 260103405 · Headquarters: Corona, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  36. Knights of Columbus

    EIN 262536593 · Headquarters: Escalon, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  37. Knights of Columbus

    EIN 262603929 · Headquarters: Sacramento, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  38. Knights of Columbus

    EIN 263928370 · Headquarters: Yorba Linda, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Knights of Columbus

    EIN 264243357 · Headquarters: Huntington Beach, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Knights of Columbus

    EIN 270866986 · Headquarters: Suisun, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. Knights of Columbus

    EIN 271611395 · Headquarters: Anderson, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. Knights of Columbus

    EIN 271712478 · Headquarters: los angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Knights of Columbus

    EIN 272667572 · Headquarters: Saticoy, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  44. Knights of Columbus

    EIN 272674846 · Headquarters: Maywood, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Knights of Columbus

    EIN 272776991 · Headquarters: oxnard, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  46. Knights of Columbus

    EIN 273512617 · Headquarters: Corona, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  47. Knights of Columbus

    EIN 300580978 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  48. Knights of Columbus

    EIN 300848742 · Headquarters: Monterey Park, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  49. Knights of Columbus

    EIN 300854321 · Headquarters: South El Monte, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. Knights of Columbus

    EIN 300855961 · Headquarters: Livingston, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. Knights of Columbus

    EIN 320358364 · Headquarters: Alameda, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Knights of Columbus

    EIN 330031289 · Headquarters: Valley Center, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Knights of Columbus

    EIN 330247582 · Headquarters: Garden Grove, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  54. Knights of Columbus

    EIN 330293376 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Knights of Columbus

    EIN 330323788 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Knights of Columbus

    EIN 330368273 · Headquarters: Alpine, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  57. Knights of Columbus

    EIN 330368361 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  58. Knights of Columbus

    EIN 330368366 · Headquarters: Lakewood, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Knights of Columbus

    EIN 330545244 · Headquarters: San Juan Capistrano, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Knights of Columbus

    EIN 330645586 · Headquarters: Oceanside, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Knights of Columbus

    EIN 330968751 · Headquarters: Temecula, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Knights of Columbus

    EIN 331051078 · Headquarters: Oakhurst, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. Knights of Columbus

    EIN 364627927 · Headquarters: VICTORVILLE, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Knights of Columbus

    EIN 364678279 · Headquarters: Salinas, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  65. Knights of Columbus

    EIN 364856887 · Headquarters: Stockton, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Knights of Columbus

    EIN 371653180 · Headquarters: Cathedral City, CA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  67. Knights of Columbus

    EIN 383704150 · Headquarters: pala, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. Knights of Columbus

    EIN 393197797 · Headquarters: REEDLEY, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Knights of Columbus

    EIN 412144784 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Knights of Columbus

    EIN 452389225 · Headquarters: OAKLAND, CA, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. Knights of Columbus

    EIN 453035142 · Headquarters: Hayward, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  72. Knights of Columbus

    EIN 455627287 · Headquarters: Sacramento, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  73. Knights of Columbus

    EIN 462224365 · Headquarters: Vacaville, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  74. Knights of Columbus

    EIN 462312777 · Headquarters: Planada, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Knights of Columbus

    EIN 462890272 · Headquarters: Scotts Valley, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. Knights of Columbus

    EIN 464086146 · Headquarters: Yucca Valley, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Knights of Columbus

    EIN 464151553 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  78. Knights of Columbus

    EIN 465662079 · Headquarters: Mecca, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  79. Knights of Columbus

    EIN 472342193 · Headquarters: San Leandro, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  80. Knights of Columbus

    EIN 472657822 · Headquarters: San Jose, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  81. Knights of Columbus

    EIN 473594444 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  82. Knights of Columbus

    EIN 474578591 · Headquarters: Fallbrook, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  83. Knights of Columbus

    EIN 571220327 · Headquarters: Carpinteria, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Knights of Columbus

    EIN 680079469 · Headquarters: Rohnert Park, CA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  85. Knights of Columbus

    EIN 680156681 · Headquarters: Stockton, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  86. Knights of Columbus

    EIN 680204729 · Headquarters: Galt, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  87. Knights of Columbus

    EIN 680245875 · Headquarters: SAN DIEGO, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Knights of Columbus

    EIN 680246720 · Headquarters: NOVATO, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Knights of Columbus

    EIN 680269113 · Headquarters: American Canyon, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Knights of Columbus

    EIN 680380086 · Headquarters: Sacramento, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  91. Knights of Columbus

    EIN 680431520 · Headquarters: Point Arena, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. Knights of Columbus

    EIN 680523834 · Headquarters: INDIO, CA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  93. Knights of Columbus

    EIN 680551258 · Headquarters: Riverbank, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  94. Knights of Columbus

    EIN 743157713 · Headquarters: Bakersfield, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  95. Knights of Columbus

    EIN 770101122 · Headquarters: KINGSBURG, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Knights of Columbus

    EIN 770115924 · Headquarters: Pismo Beach, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Knights of Columbus

    EIN 770156454 · Headquarters: Sanger, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  98. Knights of Columbus

    EIN 770207992 · Headquarters: Morgan Hill, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Knights of Columbus

    EIN 770403772 · Headquarters: Bakersfield, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Knights of Columbus

    EIN 770405627 · Headquarters: SANTA MARIA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

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