Nonprofits in Colorado

Nonprofits in Colorado. Browse 43,681 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. Boulder Model Railroad Club

    EIN 742385210 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Boulder Montessori School

    EIN 840643734 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Boulder Morningstar Zen Center

    EIN 460993246 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. Boulder Mountainbike Alliance

    EIN 841240757 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Boulder Municipal Employees Assoc

    EIN 846039521 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Boulder Municipal Sports Center Inc Dba Boulder Country Club

    EIN 840152905 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. Boulder Muse

    EIN 474666764 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Boulder Museum of Contemporary Art

    EIN 840764634 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Boulder Nablus Sister City Project Inc

    EIN 454510362 · Headquarters: BOULDER, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Boulder Neighborhood Alliance

    EIN 813800744 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  11. Boulder Newcomers Club

    EIN 811514377 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Boulder Nobel Circle

    EIN 812581845 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Boulder Nordic Club

    EIN 260857730 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Boulder Nordic Junior Racing Team

    EIN 200202166 · Headquarters: Boulder, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Boulder Open Space Conservancy

    EIN 821716267 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Boulder Opera

    EIN 462223000 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Boulder Outreach for Homeless Overflow

    EIN 264188737 · Headquarters: BOULDER, CO, USA · Housing & Shelter · Latest available filing year: 2017 · Primary form: IRS Form 990

  18. Boulder Parks and Recreation Foundation

    EIN 840725860 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Boulder Philharmonic Orchestra

    EIN 846037740 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Boulder Police Explorer Post

    EIN 843129790 · Headquarters: BOULDER, CO, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Boulder Police Foundation

    EIN 882118671 · Headquarters: Boulder, CO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Boulder Police Officers Association

    EIN 237335747 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Boulder Police Vol Employee Benefit

    EIN 841131731 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Boulder Poseidons Swim Team

    EIN 841366535 · Headquarters: Boulder, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Boulder Postoley Dance Ensemble

    EIN 841038960 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Boulder Potters Guild

    EIN 840593203 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Boulder Preparatory High School

    EIN 841385740 · Headquarters: Boulder, CO, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Boulder Presbyterian Housing Inc

    EIN 840522442 · Headquarters: BOULDER, CO, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Boulder Pride

    EIN 841467134 · Headquarters: BOULDER, CO, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Boulder Public Library Foundation

    EIN 237408456 · Headquarters: BOULDER, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Boulder Rifle Club

    EIN 841105041 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. Boulder Rights of Nature Llc

    EIN 461407951 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. Boulder Rockies Basketball Inc

    EIN 260054492 · Headquarters: Littleton, CO, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  34. Boulder Rotary Club

    EIN 840362489 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Boulder Rotary Club Foundation Inc

    EIN 841234841 · Headquarters: Castle Rock, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Boulder Rugby Athletic Club

    EIN 841428312 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Boulder Rural Firefighter Foundation Inc

    EIN 273690860 · Headquarters: Boulder, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Boulder Samba School

    EIN 271679137 · Headquarters: BOULDER, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Boulder SBDC Foundation Co Jones & Associates PC

    EIN 832726814 · Headquarters: Boulder, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Boulder School

    EIN 840956767 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Boulder School for German Language and Culture

    EIN 474800006 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Boulder Seniors Foundation Inc

    EIN 742156867 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Boulder Sister Cities Program

    EIN 742346071 · Headquarters: Niwot, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Boulder Street Moto

    EIN 822246818 · Headquarters: Colorado Springs, CO, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  45. Boulder Sudbury School

    EIN 472073686 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Boulder Suzuki Strings

    EIN 841277886 · Headquarters: BOULDER, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Boulder Symphony Inc

    EIN 841227516 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. Boulder Synchronized Swimming Association Inc

    EIN 954831513 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Boulder Tennis Association

    EIN 840685398 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Boulder Thunderbirds

    EIN 861261522 · Headquarters: Lafayette, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Boulder Tibet Sister City Project Inc

    EIN 742469070 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Boulder Tomorrow

    EIN 841434818 · Headquarters: Boulder, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  53. Boulder Track Club Inc

    EIN 451956799 · Headquarters: LOUISVILLE, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Boulder Transformation Center

    EIN 834166745 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Boulder Transportation Connections

    EIN 201563437 · Headquarters: BOULDER, CO, USA · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990

  56. Boulder Treasures Inc

    EIN 464099034 · Headquarters: Boulder, CO, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. Boulder Unit No 359 the American Contract Bridge League

    EIN 840682536 · Headquarters: Louisville, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Boulder United Methodist Mission Partners Bummp Inc

    EIN 208827927 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Boulder United Wrestling

    EIN 320424052 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Boulder Valley Cycling Alliance

    EIN 204093704 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Boulder Valley Education Association

    EIN 840595473 · Headquarters: LAFAYETTE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Boulder Valley Education Association - Retired

    EIN 463641926 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Boulder Valley Gifted and Talented

    EIN 261184957 · Headquarters: Louisville, CO, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Boulder Valley Girls Softball

    EIN 840774372 · Headquarters: LAFAYETTE, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Boulder Valley Hockey Foundation

    EIN 841244225 · Headquarters: SUPERIOR, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Boulder Valley Lacrosse Association

    EIN 841278478 · Headquarters: LAFAYETTE, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Boulder Valley Railway Historical Society

    EIN 275522877 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. Boulder Valley Rotary Club

    EIN 841038675 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Boulder Valley Rotary Community Foundation

    EIN 841174550 · Headquarters: BOULDER, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Boulder Valley Spellbinders

    EIN 473443649 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Boulder Valley Summer Swim League

    EIN 260199087 · Headquarters: Superior, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Boulder Valley Women's Health Center Inc

    EIN 840645786 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Boulder Velo Racing Association

    EIN 872318194 · Headquarters: Greenwood Village, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Boulder Veterans Charitable Foundation

    EIN 880550528 · Headquarters: Boulder, CO, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Boulder Veterans Council

    EIN 201244706 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  76. Boulder Vinnytsia Sister City Foundation

    EIN 993115203 · Headquarters: Boulder, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Boulder Water Polo Club

    EIN 364766172 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  78. Boulder Waterkeeper

    EIN 825253836 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. Boulder Watershed Collective

    EIN 842674914 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Boulder Westminster Uniserv Unit

    EIN 841190341 · Headquarters: LAFAYETTE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Boulder White Rock Rod & Gun Club

    EIN 841192269 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Boulder Wisdom

    EIN 301361553 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Boulder Writers Alliance

    EIN 800600874 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Boulder Writing Studio

    EIN 274257476 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Boulder Xc

    EIN 883806372 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Boulder Youth and Athletics Association

    EIN 841510254 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  87. Boulder Youth Body Alliance

    EIN 263252074 · Headquarters: Boulder, CO, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Boulder Zen Center

    EIN 742115154 · Headquarters: Boulder, CO, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  89. Boulder-cuba Sister City Organization

    EIN 753073934 · Headquarters: BOULDER, CO, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Boulder-mante Sister City Committee

    EIN 841510008 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Bouldershares

    EIN 475669164 · Headquarters: BOULDER, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Boulevard Neighborhood Association

    EIN 454435430 · Headquarters: DURANGO, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Boulton & Park Society

    EIN 742498908 · Headquarters: Aurora, CO, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. Bounce Animal Rescue

    EIN 475045769 · Headquarters: FORT COLLINS, CO, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Bound to Rebound

    EIN 473802180 · Headquarters: Windsor, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. Boundary Crossing Ministries Inc

    EIN 823910271 · Headquarters: Colorado Springs, CO, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Boundless

    EIN 413499025 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Boundless

    EIN 921649371 · Headquarters: Windsor, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  99. Boundless in Motion

    EIN 873602885 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Bountiful Blessings C O G I C Inc

    EIN 300764263 · Headquarters: Colorado Springs, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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