Nonprofits in Boston, Massachusetts

Nonprofits in Boston, Massachusetts. Browse 5,392 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. Knickerbocker Properties Inc Xliii C/o Cabot Properties Inc

    EIN 201460024 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Knickerbocker Terminus Llc

    EIN 332051828 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Knights of Columbus

    EIN 237079183 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Knights of Thermopylae Inn of Court

    EIN 474871859 · Headquarters: Boston, MA, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Knights Templar of the United States of America

    EIN 042042684 · Headquarters: BOSTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Knights Templar of the United States of America

    EIN 237152633 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Knights Templar of the USA

    EIN 042040687 · Headquarters: Boston, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

  8. Knouz Inc

    EIN 992884055 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Kodaly Music Institute Inc

    EIN 873992381 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  10. Koop Foundation Inc

    EIN 020474866 · Headquarters: Boston, MA, US · Medical Research · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. Korea Veterans of America

    EIN 562347832 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  12. Korean Cultural Society of Boston Inc

    EIN 455597792 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Korean Society of Criminology in America

    EIN 852697470 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Krieger Charitable Trust Fka Cecilia L Krieger Trust

    EIN 226374448 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Krupp Family Foundation

    EIN 043812871 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Kuehn Charitable Foundation C/o Keen Development Corp

    EIN 043493687 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Kuo Min Tang of Boston Inc

    EIN 043192669 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Kurt Hiler and Susanne Hanson Family

    EIN 856814291 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Kuwait-american Friends of Islamic Art and Culture Inc

    EIN 043404069 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Kwong Kow Chinese School Inc

    EIN 042720327 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. L&b 1775 Eye Street Llc C/o Aew Capital Management Lp

    EIN 752726855 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990

  22. La Alianza Hispana Inc

    EIN 237121158 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. La Donna Musicale Inc

    EIN 043198788 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Lab-x Foundation Inc

    EIN 472201621 · Headquarters: BOSTON, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Labor Union Networking Inc

    EIN 921146706 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Labrador Retriever Club of Greater Boston Inc

    EIN 223097869 · Headquarters: BOSTON, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Lacademie Inc

    EIN 264830762 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. Laconia Artists Corporation

    EIN 043557248 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  29. Ladera Foundation

    EIN 263877688 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Ladies' Garment Workers' Center Inc

    EIN 042055306 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Lafp Orlando Inc Co Aew Capital Management Lp

    EIN 471685504 · Headquarters: BOSTON, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Lam Dance Works

    EIN 993018152 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Lambda Alpha International

    EIN 931221658 · Headquarters: BOSTON, MA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Lambda Triton House Corporation

    EIN 261743571 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990

  35. Lamphhs Inc

    EIN 850690151 · Headquarters: BOSTON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Landry Family Foundation

    EIN 042943405 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. Langer Family Charitable Foundation

    EIN 043492111 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  38. Lantern Club of Boston

    EIN 912010565 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  39. Larson Family Foundation

    EIN 043533712 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. LAShadeland Station Inc C/o AEW Capital Management LP

    EIN 311672963 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990

  41. Last Hope K9 Rescue Ltd

    EIN 454862800 · Headquarters: BOSTON, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Last Mile Health

    EIN 261401736 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Latino Health Institute Inc

    EIN 222979908 · Headquarters: Boston, MA, USA · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990

  44. Latino STEM Alliance

    EIN 271941096 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Latino Surgical Society Inc

    EIN 823726427 · Headquarters: Boston, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Latinos for Education Inc

    EIN 812883649 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Latinx Bioethics

    EIN 863286837 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Law Student Assistance Corp

    EIN 043053712 · Headquarters: Boston, MA, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  49. Lawrence Homestead Trust 0047730

    EIN 042774163 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Lawrence J and Anne Rubenstein Charitable Foundation

    EIN 046087371 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Lawrence Model Lodging Houses Trust Donald E Vaughan Et Al Trustees

    EIN 046034850 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. Lawyers Clearinghouse on Affordable Housing and Homelessness Inc

    EIN 043501039 · Headquarters: BOSTON, MA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Lawyers for Civil Rights Inc

    EIN 043490614 · Headquarters: BOSTON, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Lawyers Honoring Covid-19

    EIN 850888426 · Headquarters: BOSTON, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990

  55. Lazord Foundation

    EIN 463535019 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Leadership Brainery Inc

    EIN 830705607 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Leading Cities Inc

    EIN 463320189 · Headquarters: Boston, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. LEAF Fund

    EIN 042763724 · Headquarters: Boston, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. League of Women for Community Service

    EIN 237107406 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. League of Women Voters Lotte E Scharfman Memorial Fund

    EIN 237147454 · Headquarters: BOSTON, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. League of Women Voters of Massachusetts

    EIN 041105373 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. League of Women Voters of Massachusetts

    EIN 041590626 · Headquarters: BOSTON, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Lean Enterprise Institute Inc

    EIN 043382623 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Lean Global Network Inc

    EIN 261222440 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Learning by Design in Massachusetts Inc

    EIN 300468041 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Learnlaunch Inc

    EIN 461270864 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990

  67. Lebowitz-aberly Family Foundation

    EIN 263931946 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Ledgeways Charitable Trust C/o Daniel Carbonneau Castle Rock Adv

    EIN 866341052 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Lee Family Charitable Foundation C/o David S Lee Et Al Trustees

    EIN 046022029 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  70. Lee Regional Visiting Nurse Assoc Inc C/o S Howard Krokidas & Bluestein LLP

    EIN 042173421 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  71. Leerink Family Foundation Inc

    EIN 010940317 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. Legacy Fund for Boston Inc C/o Hemenway & Barnes Llp

    EIN 920856043 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Legacy Response Inc

    EIN 931420348 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Legal Advocacy & Resource Ctr Inc

    EIN 043443101 · Headquarters: Boston, MA, US · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Legal Aid Education Inc

    EIN 421686513 · Headquarters: BOSTON, MA, USA · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990

  76. Legal Priorities Inc

    EIN 851024198 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Legend Oaks Apartments Inc

    EIN 943337439 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990

  78. Leland Wild Foundation

    EIN 880644608 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Lend a Hand Society

    EIN 042104384 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Les Bostonades Inc

    EIN 300743666 · Headquarters: BOSTON, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Lets Give It Up Foundation

    EIN 852566288 · Headquarters: Boston, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Letters Against Isolation Inc

    EIN 872142793 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Letz Move with Reka

    EIN 882339503 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Lewy Body Research Foundation

    EIN 934810999 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Lexington Eagles Football Club Inc

    EIN 922647826 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Lgbtq Impact Inc

    EIN 991796631 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Li-qiu Family Foundation

    EIN 873229097 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Liberal Religious Charitable Society Inc C/o Tim Brennan

    EIN 042648889 · Headquarters: BOSTON, MA, USA · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990

  89. Liberty Fleet Foundation

    EIN 461629805 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  90. Liberty Mutual Foundation Inc

    EIN 141893520 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Life Changing Evangelistic Ministries Inc

    EIN 043440994 · Headquarters: Boston, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Life Matters Tv and Media Inc

    EIN 300589171 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Liftelevatefly Inc

    EIN 394228854 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Light Boston Inc

    EIN 043429488 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Likeminds Brain Health Foundation

    EIN 931478433 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Lillian M Bassett Private Foundation

    EIN 046606391 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  97. Limestone Foundation

    EIN 477017224 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Limitless Athletics

    EIN 830886068 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Linas Closet

    EIN 993241334 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Lincoln & Therese Filene Foundation Inc #0706176

    EIN 237423946 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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