Nonprofits in Washington, District of Columbia

Nonprofits in Washington, District of Columbia. Browse 18,177 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 880871195 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 900119850 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 991784311 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Knights of Mount Saint Sepulchre of Washington Dc

    EIN 205053777 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Knights of Peter Claver

    EIN 320352198 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Peter Claver

    EIN 383850885 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  7. Knights of St John International

    EIN 262625605 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Knights of St John Supremem Ladies Auxiliary

    EIN 510662473 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Knights Templar of the United States of America

    EIN 530128121 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knock on Wood Tap Studio

    EIN 521922907 · Headquarters: WASHINGTON, DC, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Knollwood Memorial Park Cemetery

    EIN 820995716 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. Knollwood Neighbors

    EIN 200405145 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. Know Your Care

    EIN 272815440 · Headquarters: Washington, DC, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. Knowledge Alliance

    EIN 522039765 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Knowledge Ecology International

    EIN 830461554 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Knowledge Weaver

    EIN 474192053 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Koach Bbg

    EIN 272032626 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. Koboue Association of Akposso Diaspora Inc

    EIN 824845065 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Koe Family Foundation

    EIN 873295308 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Kol Harim Bbyo

    EIN 272017032 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. Kolar Charitable Foundation of Buckley Llp

    EIN 272748046 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  22. Kolibri Foundation Inc

    EIN 134003955 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Kollel Vilna

    EIN 306059369 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Komodia

    EIN 814350324 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Komuna Foundation

    EIN 862499634 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Kono Gnaga

    EIN 472006890 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Konsiderdis

    EIN 205195541 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Kontinent U S A

    EIN 521645049 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Kontroller Kulture

    EIN 334833034 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Koppa Lab

    EIN 991365263 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Korea Economic Institute of America

    EIN 521238765 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Korean American Grassroots Conference Inc

    EIN 474863494 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Korean Literature Association

    EIN 844113232 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Kossuth Foundation of the Hungarian Reformed Federation of America

    EIN 452255962 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Kowin of Greater Washington Inc

    EIN 883684447 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Kowinner USA Inc

    EIN 825433958 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Koya Progressive Association

    EIN 521809847 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Krewe of Pyros Foundation, Inc.

    EIN 814021084 · Headquarters: Washington, DC, United States · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Kruger Bbg

    EIN 272017230 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. Kurdish Policy Research Center Inc

    EIN 811248109 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Kurdish Protection Action Committe

    EIN 882149597 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. Kurdish Relief Fund

    EIN 472077912 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Kurdistan Regional Gov't - Liaison Office USA

    EIN 208199870 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Kurt Schork Memorial Fund

    EIN 311759459 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  45. Kuumba Learning Center Inc

    EIN 521837571 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Kuwait-america Foundation

    EIN 521730454 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Kyle Todd Public Service Foundation Inc

    EIN 311734531 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Kyra S Rescue

    EIN 812477285 · Headquarters: Washington, DC, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. L'amicale Culinaire De Wash Dc

    EIN 521015684 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  50. L2964wa Wa St Fish Hatch Specialist

    EIN 911914217 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. La Clinica Del Pueblo Inc

    EIN 521942551 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. La France Lodge No 93

    EIN 880756045 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. La Isla Network Inc

    EIN 262384892 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. La Leche League International Inc

    EIN 453966732 · Headquarters: Washington, DC, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  55. La Leche League International Inc

    EIN 522279269 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. La Luz Del Mundo Family Service Inc

    EIN 460708833 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  57. La Nouvelle Jeunesse

    EIN 881272412 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. La Pep Initiative

    EIN 274100464 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  59. La Romita School of Art Inc

    EIN 850324327 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. La Stronger Together

    EIN 333714685 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. La Trenza Leadership

    EIN 273106176 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. La Union

    EIN 475660189 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Labash Conference Inc

    EIN 852145693 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Labels for Love Inc

    EIN 205385458 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. Labor Campaign for Single Payer Healthcare

    EIN 800286238 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Labor Council for Latin American Advancement

    EIN 521002207 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Labor Mobility Partnerships Inc

    EIN 841991867 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Labor Party

    EIN 841160106 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Labor-management Cooperation Trust for Stacks Chimneys Silos and Natural Dr

    EIN 463338817 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Laborers Employers Cooperation and Education Trust

    EIN 526367549 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Laborers Local Union No 693

    EIN 721189438 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  72. Laborers' Health and Safety Fund of North America

    EIN 521569286 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Laborers' National Health & Welfare Fund

    EIN 521601994 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Laborers-employers Benefit Plan Collection Trust

    EIN 526681436 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Lacrosse the Nations

    EIN 270604097 · Headquarters: WASHINGTON, DC, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Ladder 23 Corporation

    EIN 203699774 · Headquarters: Washington, DC, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Ladies International Foundation

    EIN 462793489 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Ladies of Liberty Alliance

    EIN 271047673 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Lady Focus

    EIN 814268598 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Lafayette 89

    EIN 611885499 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Lafayette Foreign Language Program

    EIN 474235772 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. Lafayette Home and School Association Of

    EIN 526049055 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Lafayette Square Foundation Inc

    EIN 863666746 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Lafayette Tennis Association

    EIN 272835258 · Headquarters: Washington, DC, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Lafontant Foundation

    EIN 814176945 · Headquarters: Washington, DC, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  86. Lagniappe Education Foundation

    EIN 264350148 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Lagodi Foundation for the Arts Inc

    EIN 454310950 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Laila's Legacy Animal Rescue Inc

    EIN 921665997 · Headquarters: Washington, DC, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Lalit and Anubha Gupta Foundation Inc

    EIN 593414979 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Lambda Alpha International

    EIN 237024239 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Lambda Chi Alpha Fraternity at American Universityl

    EIN 454738993 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Lambda Chi Alpha Fraternity Inc

    EIN 521761583 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Lambda Divers Inc

    EIN 521941537 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  94. Lambda Kappa Mu Sorority Inc

    EIN 237061153 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Lamond-riggs Citizens Association

    EIN 813210707 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Lamond-riggs Library Friends

    EIN 822842579 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Lamont Productions Inc

    EIN 521303561 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Land Title Institute Inc

    EIN 521189041 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Land Trust Accreditation Commission

    EIN 204622209 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Land Trust Alliance

    EIN 042751357 · Headquarters: WASHINGTON, DC, United States · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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