Nonprofits in Tucson, Arizona

Nonprofits in Tucson, Arizona. Browse 4,869 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 812084846 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 831520482 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 860498441 · Headquarters: Tucson, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 860622914 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 860662887 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 860677942 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 860702685 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 860727145 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 860882657 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Knights of Columbus

    EIN 860890100 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 883313926 · Headquarters: Tucson, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 900779055 · Headquarters: TUCSON, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 933507239 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 942433209 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 942751798 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 953262326 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  17. Knights of Columbus 12696 Mother Theresa

    EIN 263499546 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Knights of Columbus Building Association of Tucson Arizona

    EIN 813057490 · Headquarters: Tucson, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Knights of Pythias of Arizona

    EIN 273234236 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Knights of Pythias of Arizonia

    EIN 237193591 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Knights of Pythias of Arizonia

    EIN 237633665 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Knights of Pythias of Arizonia

    EIN 237633667 · Headquarters: tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Knights of Pythias of Arizonia

    EIN 237633673 · Headquarters: Tucson, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Knights of Pythias of Arizonia

    EIN 866054722 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Knights Templar of the United States of America

    EIN 237618209 · Headquarters: Tucson, AZ, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Knights Templar of the United States of America

    EIN 237618211 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Knights Templar of the United States of America

    EIN 800775085 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Kochs Off Campus

    EIN 842119030 · Headquarters: Tucson, AZ, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  29. Kodenkan Yudanshakai Inc

    EIN 462154153 · Headquarters: Tucson, AZ, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Konrath Foundation

    EIN 874119989 · Headquarters: TUCSON, AZ, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Kore Press Inc

    EIN 860821144 · Headquarters: Tucson, AZ, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Korean War Veterans Association

    EIN 860734903 · Headquarters: Tucson, AZ, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. Koru Multicultural and Diverse Library

    EIN 863902583 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Kozolchyk National Law Center

    EIN 860716624 · Headquarters: TUCSON, AZ, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Krishnas Home

    EIN 854173757 · Headquarters: Tucson, AZ, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Kyl Institute for National Security

    EIN 832495253 · Headquarters: TUCSON, AZ, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Kyle Franks Foundation Inc

    EIN 262212454 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. L2 Foundation C/o Jewish Community Foundation

    EIN 270697033 · Headquarters: TUCSON, AZ, USA · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990

  39. La Aldea Spiritual Community

    EIN 953497060 · Headquarters: TUCSON, AZ, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. La Casa De Adoracion Tucson

    EIN 332554230 · Headquarters: Tucson, AZ, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. La Frontera Arizona

    EIN 860215009 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  42. La Frontera Community Solutions Inc

    EIN 460947138 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. La Frontera Housing Inc

    EIN 860940146 · Headquarters: Tucson, AZ, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. La Frontera Mariachi Conference Inc

    EIN 860475188 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. La Frontera New Mexico Inc

    EIN 901004999 · Headquarters: Tucson, AZ, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. La Frontera Partners Inc

    EIN 860742427 · Headquarters: Tucson, AZ, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. La Leche League International Inc

    EIN 812921138 · Headquarters: Tucson, AZ, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. La Leche League International Inc

    EIN 860388028 · Headquarters: Tucson, AZ, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. La Leche League International Inc

    EIN 860440158 · Headquarters: Tucson, AZ, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. La Leche League International Inc

    EIN 860530196 · Headquarters: Tucson, AZ, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. La Paloma Family Services Inc

    EIN 860390583 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. La Pilita Association

    EIN 860979488 · Headquarters: TUCSON, AZ, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. La Van Project

    EIN 844500818 · Headquarters: Tucson, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. La Vita House

    EIN 202706580 · Headquarters: Tucson, AZ, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Lacanada Magee Neighborhood Association Inc

    EIN 331109215 · Headquarters: Tucson, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Lacey Jarrell Foundation

    EIN 208595021 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Lady Badgers Booster Club

    EIN 384287190 · Headquarters: Tucson, AZ, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Lainys Light Foundation

    EIN 334953752 · Headquarters: TUCSON, AZ, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Lajkonik Inc

    EIN 830494272 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Lake Baikal Heritage Foundation

    EIN 392061320 · Headquarters: Tucson, AZ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Landsburg Foundation

    EIN 742570344 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. Langerman Foundation

    EIN 866037146 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. Lapan College & Career Club Inc

    EIN 992802172 · Headquarters: TUCSON, AZ, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Lapan Memorial Sunshine Foundation Inc C/o David Lapan

    EIN 880192311 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Large Binocular Telescope Corporation

    EIN 860724677 · Headquarters: Tucson, AZ, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Larry M Levey Foundation

    EIN 814352186 · Headquarters: TUCSON, AZ, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Las Donas De Tucson Inc

    EIN 833214475 · Headquarters: Tucson, AZ, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Las Vistas Sunland Gardens Neighborhood Association

    EIN 881544438 · Headquarters: TUCSON, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Lasalle Humanitarian Aid Foundation

    EIN 844008842 · Headquarters: Tucson, AZ, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Last Alarm Foundation

    EIN 571223480 · Headquarters: Tucson, AZ, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Last Resort

    EIN 860939442 · Headquarters: Tucson, AZ, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Latinos In Heritage Conservation

    EIN 843204802 · Headquarters: Tucson, AZ, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Laura Carrillo Breast Cancer Foundation

    EIN 270717365 · Headquarters: TUCSON, AZ, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Laura Gale School PTC

    EIN 860667556 · Headquarters: Tucson, AZ, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  75. Laury Adsit Gelardi Gcm Member Support Fund

    EIN 204931001 · Headquarters: TUCSON, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Law College Association of the University of Arizona

    EIN 866037148 · Headquarters: TUCSON, AZ, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Law Matters

    EIN 832100160 · Headquarters: Tucson, AZ, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Lawrence W Cross Middle School Pto

    EIN 800534224 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. LCMS U Arizona

    EIN 273130895 · Headquarters: Tucson, AZ, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Lead Assist Inc

    EIN 473174085 · Headquarters: TUCSON, AZ, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Lead Guitar

    EIN 261416560 · Headquarters: TUCSON, AZ, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Leadership Enterprise for African Women Children and Culture

    EIN 473348111 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. League of United Latin America Citizens

    EIN 200350233 · Headquarters: Tucson, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. League of United Latin American Citizens

    EIN 204737361 · Headquarters: Tucson, AZ, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  85. League of United Latin American Citizens

    EIN 465023838 · Headquarters: TUCSON, AZ, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  86. League of United Latin American Council 1088

    EIN 810562052 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. League of Women Voters of Greater Tucson

    EIN 866051215 · Headquarters: TUCSON, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Leaps for Lives

    EIN 474996195 · Headquarters: Tucson, AZ, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Learning Community for Loss Grief and Transition

    EIN 853271095 · Headquarters: Tucson, AZ, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Learning Interim for Tucson

    EIN 742568030 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Learning to Grow Childcare

    EIN 934491901 · Headquarters: Tucson, AZ, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Learninghouse Inc

    EIN 860350129 · Headquarters: tucson, AZ, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  93. Leather Club of Tucson Inc

    EIN 821059465 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Lee and Kimberly Oser Foundation

    EIN 453817197 · Headquarters: TUCSON, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  95. Legaciesoflifeassociation

    EIN 912143635 · Headquarters: TUCSON, AZ, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. Legacy 4 Humanity Inc

    EIN 833915238 · Headquarters: TUCSON, AZ, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Legacy Dog Training Academy of Tucson

    EIN 842940128 · Headquarters: Tucson, AZ, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Legacy Traditional School Northwest Tucson Pto

    EIN 453167121 · Headquarters: Tucson, AZ, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Legion of Saints Pius X & Padre Pio Lspx Pp

    EIN 371444084 · Headquarters: Tucson, AZ, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Leland D & Josephine a Case Charitable Tr Ua 08081986

    EIN 866330648 · Headquarters: TUCSON, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

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