Nonprofits in Watertown, Massachusetts

Nonprofits in Watertown, Massachusetts. Browse 268 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. 33 Touchdown Club Inc

    EIN 203289868 · Headquarters: WATERTOWN, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  2. 4-H Clubs & Affiliated 4-H Organizations

    EIN 721546502 · Headquarters: Watertown, MA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. A Shot for Life Inc

    EIN 462867457 · Headquarters: WATERTOWN, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. A Veterans Story Inc

    EIN 471695102 · Headquarters: Watertown, MA, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  5. Actors' Shakespeare Project

    EIN 200815685 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Addgene Inc

    EIN 900133592 · Headquarters: Watertown, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Agape Foundation

    EIN 222690962 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Ai Standard Inc

    EIN 993469746 · Headquarters: WATERTOWN, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Alliance for Voice Airway and Swallowing Education

    EIN 991886671 · Headquarters: Watertown, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Als Therapy Development Foundation Inc

    EIN 043462719 · Headquarters: WATERTOWN, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Alternative Leisure Co Inc

    EIN 222563176 · Headquarters: WATERTOWN, MA, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990

  12. Amaras Art Alliance Inc

    EIN 311742232 · Headquarters: Watertown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Americans for Peace and Tolerance Inc

    EIN 263251530 · Headquarters: WATERTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Amvets

    EIN 046140397 · Headquarters: Watertown, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. Anca Eastern Region Endowment Fund Inc

    EIN 271887269 · Headquarters: WATERTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Ancient Order of Hibernians Hibernian Club of Watertown Inc

    EIN 042907584 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Animals Are Sentient Beings Inc

    EIN 263865198 · Headquarters: Watertown, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Arab Astronomical Society Inc

    EIN 831493144 · Headquarters: Watertown, MA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Armenian Cultural & Educational Center Inc

    EIN 237435493 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Armenian Cultural Association of America Inc

    EIN 042552239 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Armenian Heritage Tribute and Genocide M

    EIN 201914324 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Armenian Historical Archives Inc

    EIN 352527403 · Headquarters: WATERTOWN, MA, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. Armenian Independent Broadcasting of Boston Inc

    EIN 042862001 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  24. Armenian International Women's Associati

    EIN 043113182 · Headquarters: WATERTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Armenian Museum of America Inc

    EIN 222778232 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Armenian Relief Society Inc

    EIN 042219512 · Headquarters: WATERTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Armenian Relief Society of Eastern USA Inc

    EIN 042684459 · Headquarters: WATERTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Armenian Review Inc

    EIN 222515046 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Armenian Youth Federation Youth Org Arf Eastern USA Inc

    EIN 208121389 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. Arsema Spiritual Tsiwa Association Z Boston

    EIN 851107206 · Headquarters: Watertown, MA, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  31. Association for Autism and Neurodiversity Inc

    EIN 043376227 · Headquarters: WATERTOWN, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Association for Public Transportation Inc

    EIN 237336972 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Atrium School

    EIN 042768241 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Baikar Association Inc

    EIN 042103741 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Bay State Council of the Blind Inc

    EIN 042775259 · Headquarters: WATERTOWN, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Beaverbrook Step Inc

    EIN 042518911 · Headquarters: WATERTOWN, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Beisho Corporation Inc

    EIN 202206994 · Headquarters: WATERTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Benevolent & Protective Order Of

    EIN 041079730 · Headquarters: WATERTOWN, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ

  39. Boston Blind Sailing Inc

    EIN 843368576 · Headquarters: Watertown, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Boston Facilitators Roundtable

    EIN 453952200 · Headquarters: WATERTOWN, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Boston String Players

    EIN 273691012 · Headquarters: Watertown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. Boston's Pet Haven Inc

    EIN 264724279 · Headquarters: Watertown, MA, USA · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990

  43. Brazilian Community Help Inc

    EIN 992577177 · Headquarters: Watertown, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Byond22 Inc

    EIN 822755579 · Headquarters: Watertown, MA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. C R a S H B Sprints Inc

    EIN 042936438 · Headquarters: Watertown, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Cambridge Lieder & Opera Society Inc

    EIN 043452027 · Headquarters: Watertown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  47. Campaign for Peace Disarmament and Common Security Inc

    EIN 822909633 · Headquarters: WATERTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Canadian American Club of Massachusetts Inc

    EIN 222582457 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Catalogue for Philanthropy Inc

    EIN 161645596 · Headquarters: Watertown, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ

  50. Center for Hand-counted Paper Ballots

    EIN 800273040 · Headquarters: Watertown, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Chaisson Family Foundation

    EIN 834389774 · Headquarters: WATERTOWN, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Charge Through Covid Foundation

    EIN 854162052 · Headquarters: Watertown, MA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. Chennai Children Foundation Inc

    EIN 452885166 · Headquarters: Watertown, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Chinese American Association of Wat Ertown Inc

    EIN 393877039 · Headquarters: Watertown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Circus Up Inc

    EIN 364871844 · Headquarters: WATERTOWN, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Civic Action Project Inc

    EIN 834653764 · Headquarters: WATERTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Coaches Across Continents Inc

    EIN 320249174 · Headquarters: Watertown, MA, USA · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990

  58. Coalition for Better Care Inc

    EIN 871028604 · Headquarters: WATERTOWN, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Coalition for Courage Inc

    EIN 202999811 · Headquarters: WATERTOWN, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Cochlear Labioworld Corp

    EIN 473569263 · Headquarters: WATERTOWN, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Cocoanut Grove Memorial Committee Inc

    EIN 472701558 · Headquarters: Watertown, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. COLAB High School Stem Career Collaboration

    EIN 923496106 · Headquarters: Watertown, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Community Consulting Teams Inc

    EIN 043254275 · Headquarters: Watertown, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Cooperative Fund of the Northeast Inc

    EIN 030264092 · Headquarters: WATERTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Creativity Foundation

    EIN 522346553 · Headquarters: WATERTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  66. Crimson City Hockey

    EIN 200653351 · Headquarters: Watertown, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Cunniff School Parent Teacher Organization

    EIN 043273216 · Headquarters: Watertown, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. David J Defilippo and Lisa M Shapiro Charitable Trust

    EIN 356823300 · Headquarters: WATERTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Department of Massachusetts Ladies Auxiliary to the Vfw

    EIN 262199497 · Headquarters: Watertown, MA, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  70. Developmental Evaluation and Adjustment Facilities Inc

    EIN 042628350 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Dinosaur Annex Music Ensemble

    EIN 042632221 · Headquarters: Watertown, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Documentary Educational Resources Inc

    EIN 042498206 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Domicilia Inc

    EIN 042665097 · Headquarters: WATERTOWN, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Eastern Charitable Foundation

    EIN 046044620 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. Economic Assistance & Social Empowerment Center Inc

    EIN 270661942 · Headquarters: Watertown, MA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. Education Resource Strategies Inc

    EIN 201978102 · Headquarters: WATERTOWN, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Encouragement Program Inc

    EIN 862960080 · Headquarters: Watertown, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Ethiopian Children Educational Development Inc

    EIN 273132383 · Headquarters: Watertown, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. Eyol Inc

    EIN 814201446 · Headquarters: WATERTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Face It Inc

    EIN 992422864 · Headquarters: Watertown, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Families First Parenting Programs

    EIN 043413397 · Headquarters: Watertown, MA, United States · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Federation Flam USA

    EIN 823243214 · Headquarters: WATERTOWN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Fernald League for Retarded Children Inc

    EIN 046111680 · Headquarters: Watertown, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  84. Fifty One Kondazian Inc

    EIN 272470764 · Headquarters: WATERTOWN, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Financial Executives International Boston Chapter

    EIN 046039626 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Focus on Tanzanian Communities Inc C/o Thomson Safaris

    EIN 043369475 · Headquarters: WATERTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Force and Motion Foundation Inc

    EIN 274357562 · Headquarters: WATERTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Fowler Fellowship Inc

    EIN 994407373 · Headquarters: WATERTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Fraternal Order of Eagles Pequossette Aerie 1928

    EIN 041716573 · Headquarters: Watertown, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Freedom Therapy Foundation

    EIN 352223666 · Headquarters: Watertown, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Friends of Armenian Cultural Society Inc

    EIN 046112448 · Headquarters: WATERTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Friends of Matt Galligan Inc

    EIN 311727576 · Headquarters: Watertown, MA, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  93. Friends of Project Literacy Incorporated

    EIN 043275208 · Headquarters: Watertown, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Friends of the Watertown Council on Aging Inc

    EIN 222481280 · Headquarters: Watertown, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Friends of the Watertown Free Public Library Inc

    EIN 043115229 · Headquarters: Watertown, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Friends of Watertown Music Inc

    EIN 464921251 · Headquarters: Watertown, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Games for Everyone Inc

    EIN 874394838 · Headquarters: Watertown, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Gella Azurin Foundation Inc

    EIN 844050895 · Headquarters: WATERTOWN, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Greater Boston Council on Alcoholism Inc

    EIN 222647045 · Headquarters: WATERTOWN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. Growing Places Pre-School and Day Care Inc

    EIN 043050171 · Headquarters: Watertown, MA, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990

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