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. San Fernando Valley Bar Association

    EIN 956054387 · Headquarters: WOODLAND HILLS, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  2. San Francisco Lodge Chinese American Citizens Alliance

    EIN 941235200 · Headquarters: SAN FRANCISCO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. San Francisco Police Officers' Association Legal Defense Fund

    EIN 266732924 · Headquarters: San Francisco, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. San Francisco Taxi Workers Alliance

    EIN 474071754 · Headquarters: San Francisco, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. San Gabriel Cemetery Association Endowment Care Trust

    EIN 842171443 · Headquarters: SAN GABRIEL, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. San Gabriel Valley Chap of the Amer Soc of Chartrd Life Underwriters

    EIN 237425551 · Headquarters: Pasadena, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. San Gorgonio Pass Aerie No 3768 Fraternal Order of Eagles

    EIN 310913752 · Headquarters: Banning, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. San Joaquin Lodge 11 Free & Accepted Mason

    EIN 237517571 · Headquarters: Bakersfield, CA, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. San Jose Chapter of American Society of Heating Refrigeration and Ac Engineers

    EIN 237318757 · Headquarters: SAN JOSE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. San Jose De El Camiche

    EIN 770321776 · Headquarters: PORTERVILLE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. San Jose Evergreen Federation of Teachers Retiree Chapter Aft 6157

    EIN 364790217 · Headquarters: Fremont, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. San Juan Oaks Mutual Water Company

    EIN 873939570 · Headquarters: San Jose, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. San Leandro Improvement Association

    EIN 463952423 · Headquarters: SAN LEANDRO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. 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

  15. San Luis Obispo Guild Hall

    EIN 237529899 · Headquarters: San Luis Obispo, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. San Mateo Consolidated Fire Department Funded HRA Trust

    EIN 852617004 · Headquarters: San Mateo, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. San Pablo Lodge #43 IOOF

    EIN 940839345 · Headquarters: Vallejo, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. San Ramon Resident Council

    EIN 333986675 · Headquarters: San Ramon, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. San Ramon Valley Kiwanis Foundation

    EIN 270244834 · Headquarters: ALAMO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. San Secondo Dasti Council 12938

    EIN 330968683 · Headquarters: Ontario, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Santa Barbara Association of Life Underwriters

    EIN 953508813 · Headquarters: Goleta, CA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. Santa Barbara County Electrical

    EIN 956121015 · Headquarters: SAN JOSE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990

  23. Santa Clara Valley Knights of Columbus

    EIN 237157279 · Headquarters: Santa Paula, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Santa Cruz Cemetery Corporation

    EIN 392052584 · Headquarters: SANTA CRUZ, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Santa Cruz Mountain Summit West Inc

    EIN 770530189 · Headquarters: LOS GATOS, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Santa Cruz Police Officers Benevolent Association

    EIN 770509499 · Headquarters: SANTA CRUZ, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Santa Lucia Masonic Temple Association

    EIN 770362041 · Headquarters: King City, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Santa Maria Womens Network

    EIN 770038691 · Headquarters: SANTA MARIA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Santa Monica City Employees Coalition Benefit Trust

    EIN 306001608 · Headquarters: Los Angeles, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Santa Ynez Valley Womens Club

    EIN 952373780 · Headquarters: Solvang, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Sausalito Youth Sailing Foundation

    EIN 900331178 · Headquarters: Sausalito, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Save Mart Employees Association

    EIN 510520812 · Headquarters: MODESTO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. SCCP Health and Welfare Benefit Plan

    EIN 300800554 · Headquarters: Sun Valley, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Scepter Masonic Temple Association

    EIN 941619083 · Headquarters: West Sacramento, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Schools of California Employee Employer Trust

    EIN 336055787 · Headquarters: SAN DIEGO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  36. Scottish Rite Unity Mutual Benefit Association

    EIN 237269459 · Headquarters: SAN FANCISCO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Scottish Society of the Monterey Peninsula

    EIN 942914680 · Headquarters: DEL REY OAKS, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  38. Scpmg Veba Trust for Collectively Bargained Retirees

    EIN 116607172 · Headquarters: PASADENA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Scug

    EIN 472756322 · Headquarters: IRVINE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Scvcoa Supporters Llc

    EIN 811260662 · Headquarters: SANTA CLARITA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Sdsu Foundation Health Veba Plan for Post Retirement Healthcare Benefits

    EIN 330712822 · Headquarters: SAN DIEGO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Sea Insurance Solutions

    EIN 874111366 · Headquarters: STOCKTON, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Seaman Trust Dated 122995

    EIN 946696828 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Sebastian Health Trust

    EIN 367660664 · Headquarters: KERMAN, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Sebastopol Grange No 306

    EIN 237529955 · Headquarters: Sebastopol, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Seiu Local 1877 Workers Compensation Benefits Trust Fund

    EIN 352304242 · Headquarters: SOUTH PASADENA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Seiu Local 2015 Long-term Care Workers Health Trust

    EIN 204570305 · Headquarters: LOS ANGELES, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. SEIU Local 721 Employee Benefits Trust Fund

    EIN 263902233 · Headquarters: Pasadena, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Seiu-usww and San Diego County Employers Trust Fund

    EIN 680496395 · Headquarters: COVINA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Service Employees International Union-local 721 Santa Ana Medical Trust

    EIN 477298200 · Headquarters: PASADENA, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Seymours Mutual Water Co

    EIN 941658768 · Headquarters: redding, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  52. Sf-crv Convenience Consortium

    EIN 824198197 · Headquarters: Alameda, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Sfs Squad Club

    EIN 922230984 · Headquarters: SANTA FE SPRINGS, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Sheet Metal Workers Retirees and Outreach Club

    EIN 611715042 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Sheet Metal Workers' Local 206 Health Benefit Trust

    EIN 454844178 · Headquarters: San Diego, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Sherry Griswold Foundation

    EIN 352461831 · Headquarters: TUSTIN, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Shield & Diamond

    EIN 463060226 · Headquarters: Los Angeles, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Shriners International

    EIN 237330752 · Headquarters: Anaheim, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Shriners International

    EIN 460898640 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. Shriners International Al Malaikah Shriners Group Return

    EIN 954111226 · Headquarters: Los Angeles, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  61. Shs 1971 Reunion

    EIN 850956442 · Headquarters: Oakland, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Sierra Estates Mutual Water Company

    EIN 331028465 · Headquarters: San Jose, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Sierra Madre Pioneer Cemetery Assoc Endowment Care Trust Fund

    EIN 996375823 · Headquarters: SIERRA MADRE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Sierra Wildlife Habitat and Community Foundation

    EIN 455263577 · Headquarters: LOYALTON, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Sigma Delta Alpha Alumni Corporation

    EIN 455503465 · Headquarters: Cerritos, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sigma Nu Zeta Iota

    EIN 992404048 · Headquarters: San Jose, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Sigma Phi Epsilon California Chi Chapter Alumni Association

    EIN 203655358 · Headquarters: Atascardeo, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Sigma Pi Fraternity Eta Delta Chapter

    EIN 943139124 · Headquarters: San Luis Obispo, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  69. Silgan Containers Corp Sub Non-union Pl Veba Tr 112795

    EIN 954574720 · Headquarters: WOODLAND HILLS, CA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  70. Silgan Containers Corp Sub Pl Iamaw Veba Tr 112795

    EIN 954574726 · Headquarters: WOODLAND HILLS, CA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Silgan Containers Corp Sub Uswa Basic Pl Veba Tr 112795

    EIN 954574728 · Headquarters: WOODLAND HILLS, CA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  72. Silicon Valley FOP Lodge 52

    EIN 452108505 · Headquarters: San Jose, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Silver and Black Charities

    EIN 933968312 · Headquarters: HEMET, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Silver Legends Neighborhood Watch

    EIN 872145928 · Headquarters: Sacramento, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Siminoff Council Amd

    EIN 900541476 · Headquarters: Union City, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Simoore Grange 857

    EIN 364720654 · Headquarters: Ojai, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Siskiyou Co Rolling Hills Mutual Water Company Inc

    EIN 941700383 · Headquarters: Yreka, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Sky Acres Mutual Water Inc

    EIN 770228331 · Headquarters: Oakhurst, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Sky Pines Mutual Water Association Inc

    EIN 113775391 · Headquarters: Grass Valley, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. SLO CO Recovery Support Network

    EIN 814809156 · Headquarters: Grover Beach, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  81. So Cal My-tho Association

    EIN 953995205 · Headquarters: CARSON, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. So Sacramento Moose Lodge #255

    EIN 942654563 · Headquarters: Sacramento, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  83. Soapbox Women Llc

    EIN 843786642 · Headquarters: ENCINO, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Sober on the Sand

    EIN 843245498 · Headquarters: San Diego, CA, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Socal Museums

    EIN 800961331 · Headquarters: PASADENA, CA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Socal Occsea

    EIN 830610302 · Headquarters: Fountain Valley, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sociedad Cervantes Espanola

    EIN 770190557 · Headquarters: SUNNYVALE, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990

  88. Sociedad Edad De Oro Suprema

    EIN 770046206 · Headquarters: SANGER, CA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Sociedad Funeraria Local Inc

    EIN 931177436 · Headquarters: Nipomo, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sociedad Juarez Mutualista Mexicana

    EIN 821677482 · Headquarters: BAKERSFIELD, CA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sociedade Portugesa Rainha Santa Isabel

    EIN 943129725 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  92. Sociedade Portuguesa Rainha Santa Isabel

    EIN 900520945 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  93. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519391 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519399 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  95. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519400 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  96. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519410 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  97. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519426 · Headquarters: NEWARK, CA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519453 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  99. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519455 · Headquarters: SAN LEANDRO, CA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  100. Sociedade Portuguesa Rainha Santa Isabel

    EIN 942519464 · Headquarters: DUBLIN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

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