Unknown & Unclassified nonprofits in California

Unknown & Unclassified nonprofits in California. Browse 48,218 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. Riverside City Firefighters' Assoc Inc

    EIN 952250680 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Riverside City Panhellenic Assn

    EIN 956071669 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  3. Riverside City Teachers Association

    EIN 952049571 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Riverside Community Arts Association

    EIN 330413124 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Riverside Community College District Foundation

    EIN 952993847 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Riverside Community Flower Show Association Inc

    EIN 956096635 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Riverside Congregational Homes

    EIN 952625490 · Headquarters: LONG BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Riverside County Bar Association

    EIN 952561338 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Riverside County Barrel Racers

    EIN 831185900 · Headquarters: Sun City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Riverside County Board of Education Service Center Building Corporation

    EIN 271316979 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Riverside County Educational and Training

    EIN 237134143 · Headquarters: SAN BERNARDINO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Riverside County Escrow Association

    EIN 953646764 · Headquarters: Idyllwild, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Riverside County Farm Bureau

    EIN 951154505 · Headquarters: SAN JACINTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Riverside County Fire Chiefs Assoc

    EIN 330700939 · Headquarters: MARCH ARB, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Riverside County Fire Station 66

    EIN 990532580 · Headquarters: Beaumont, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Riverside County Foundation for Medical Care

    EIN 952116615 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Riverside County Heritage Association

    EIN 813671802 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Riverside County Law Enforcement Management Unit

    EIN 330533214 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Riverside County Medical Association

    EIN 951596515 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Riverside County Medical Corporation

    EIN 956098616 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Riverside County Office TA

    EIN 953413383 · Headquarters: Redlands, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  22. Riverside County School Superintendents Assn

    EIN 680185560 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Riverside County Sheriffs Posse

    EIN 330349686 · Headquarters: SAN JACINTO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Riverside County Underwater Search and Recovery Team Inc

    EIN 330397276 · Headquarters: PERRIS, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Riverside County Wdb Inc

    EIN 205237251 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Riverside Downtown Partnership Inc

    EIN 330099566 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Riverside Highland Water Company

    EIN 951154700 · Headquarters: GRAND TERRACE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  28. Riverside Knitting Guild

    EIN 760742779 · Headquarters: Moreno Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Riverside Law Enforcement Appreciation Committee

    EIN 330578595 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Riverside Lodge No 8 Fraternal Order of Police Inc

    EIN 952834598 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Riverside Meals on Wheels Inc

    EIN 237262925 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Riverside Medical Clinic Foundation

    EIN 330099694 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Riverside Mgfm United Soccer Club

    EIN 460568700 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  34. Riverside New Dealers Association Inc

    EIN 901112413 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Riverside Njb

    EIN 821901923 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  36. Riverside Optimist Youth Club

    EIN 237434006 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Riverside Pilots Inc

    EIN 736506737 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Riverside Police Officers Association

    EIN 956051571 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Riverside Poly Class of 1967 Reunion

    EIN 812570642 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. Riverside Poly HS Theater Booster Club Corp

    EIN 464873378 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Riverside Rage Fastpitch Softball Organization

    EIN 274284996 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Riverside Rangers Baseball Corp

    EIN 814468362 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Riverside Road Runners

    EIN 272956640 · Headquarters: Riverside, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Riverside Safe Access

    EIN 463106324 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Riverside Sheriffs Association Benefit Trust

    EIN 336153873 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Riverside Sunrise Rotary Club

    EIN 330256852 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Riverside Tax Consultants Association

    EIN 953786320 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Riverside Transportation Future

    EIN 843164488 · Headquarters: Sacramento, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  49. Riverside Unified School District School Facilities Corporation

    EIN 330461522 · Headquarters: RIVERSIDE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Riverside Village Improvement Association

    EIN 800664279 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Riverview Golf & Country Club

    EIN 941079947 · Headquarters: REDDING, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Riverview Stem Pta - Pta California Congress of Parents Teachers & Students

    EIN 901072085 · Headquarters: Rancho Cordova, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Riveside Historical Society Inc

    EIN 330400218 · Headquarters: RIVERSIDE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Riviera Association

    EIN 952244745 · Headquarters: SANTA BARBARA, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  55. Riviera Club

    EIN 330009832 · Headquarters: San Clemente, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Riviera Del Mar Architectural Committee Corporation

    EIN 330803145 · Headquarters: DEL MAR, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Riviera Homeowners Association

    EIN 956187757 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Riviera Kare Bears

    EIN 830463409 · Headquarters: Rio Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  59. Riviera Little League of Torrance Ca Inc Little League Baseball Inc

    EIN 330544194 · Headquarters: TORRANCE, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Riviera Village Association

    EIN 330064677 · Headquarters: Redondo Beach, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Rivkin Academy Inc

    EIN 921658961 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  62. Rivulet Press

    EIN 854068713 · Headquarters: Pasadena, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Rizal High School Alumni Association of North America

    EIN 943206517 · Headquarters: Fremont, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Rizilent Inc

    EIN 464621979 · Headquarters: Hawthorne, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Rlh Enrichment Inc

    EIN 991420526 · Headquarters: Brentwood, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Rls Homeowners Organization

    EIN 873425796 · Headquarters: Fountain Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Rm Pyles Boys Camp

    EIN 951810837 · Headquarters: VALENCIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Rma Tri-countries Chapter

    EIN 911863755 · Headquarters: Goleta, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Road 2 Success

    EIN 823392715 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Road Kings of Burbank

    EIN 954452467 · Headquarters: WOODLAND HILLS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Road Runners Club of America

    EIN 113679854 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Road Runners Club of America

    EIN 202523699 · Headquarters: San Martin, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. Road Runners Club of America

    EIN 263027601 · Headquarters: Corona, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Road Runners Club of America

    EIN 330187728 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Road Runners Club of America

    EIN 371577682 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Road Runners Club of America

    EIN 384052839 · Headquarters: Ridgecrest, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Road Runners Club of America

    EIN 431996596 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. Road Runners Club of America

    EIN 462898735 · Headquarters: Pacifica, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Road Runners Club of America

    EIN 464212089 · Headquarters: Modesto, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Road Runners Club of America

    EIN 465227700 · Headquarters: Truckee, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Road Runners Club of America

    EIN 471107002 · Headquarters: Los Altos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Road Runners Club of America

    EIN 471262941 · Headquarters: PLEASANTON, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Road Runners Club of America

    EIN 471875676 · Headquarters: Nevada City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Road Runners Club of America

    EIN 473555145 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Road Runners Club of America

    EIN 550801364 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Road Runners Club of America

    EIN 680059047 · Headquarters: Ukiah, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Road Runners Club of America

    EIN 680192157 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Road Runners Club of America

    EIN 742049455 · Headquarters: Grass Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Road Runners Club of America

    EIN 770272217 · Headquarters: Lompoc, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Road Runners Club of America

    EIN 800012339 · Headquarters: NEWBURY PARK, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Road Runners Club of America

    EIN 800609730 · Headquarters: sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Road Runners Club of America

    EIN 814149464 · Headquarters: Lake Forest, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  93. Road Runners Club of America

    EIN 833782853 · Headquarters: SAN CARLOS, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Road Runners Club of America

    EIN 844356452 · Headquarters: Morgan Hill, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Road Runners Club of America

    EIN 853171706 · Headquarters: Templeton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Road Runners Club of America

    EIN 861107222 · Headquarters: Mill Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Road Runners Club of America

    EIN 874325193 · Headquarters: Ojai, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Road Runners Club of America

    EIN 954359983 · Headquarters: SANTA MONICA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Road Runners Club of America

    EIN 954488025 · Headquarters: LANCASTER, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Road Runners Club of America

    EIN 954608094 · Headquarters: Long Beach, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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