Nonprofits in Boulder, Colorado

Nonprofits in Boulder, Colorado. Browse 1,829 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 Astronomy & Space Society

    EIN 201936884 · Headquarters: Boulder, CO, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. BOULDER AUDUBON SOCIETY Boulder County Audubon Society

    EIN 237170676 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Boulder Ballet

    EIN 203447830 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Boulder Bear Coalition

    EIN 463941088 · Headquarters: BOULDER, CO, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Boulder Bears Football Inc

    EIN 834639034 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Boulder Bike Sharing

    EIN 272772682 · Headquarters: Boulder, CO, USA · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990

  7. Boulder Bird Banding Association

    EIN 992946306 · Headquarters: BOULDER, CO, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Boulder Building Blocks Fund Inc

    EIN 841406287 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Boulder Cancer Fighters

    EIN 452675512 · Headquarters: BOULDER, CO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Boulder Canon Civic Association Inc

    EIN 846036756 · Headquarters: Boulder, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  11. Boulder Carshare

    EIN 841472528 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Boulder Center for the Performing Arts

    EIN 264235797 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Boulder Chamber Foundation

    EIN 830563237 · Headquarters: BOULDER, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Boulder Chamber of Commerce

    EIN 840152700 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Boulder Childrens Museum Inc

    EIN 202193168 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Boulder Chorale

    EIN 841175937 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Boulder Citizens Climate Lobby

    EIN 472277511 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Boulder Climbing Community

    EIN 453623399 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Boulder Community Broadcast Assoc Inc C/o Tim Russo

    EIN 840690097 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. Boulder Community for Emotionally Focused Therapy

    EIN 833022595 · Headquarters: Boulder, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Boulder Community Health

    EIN 840175870 · Headquarters: Boulder, CO, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Boulder Community Health Foundation

    EIN 840772664 · Headquarters: Boulder, CO, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Boulder Community Housing Corporation Inc

    EIN 742321463 · Headquarters: Boulder, CO, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Boulder Community Media

    EIN 830473258 · Headquarters: BOULDER, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Boulder Community Rowing

    EIN 841552500 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  26. Boulder Concert Band Inc

    EIN 840770963 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Boulder Contact Lab

    EIN 815436557 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Boulder Convention and Visitors Bureau

    EIN 820722486 · Headquarters: BOULDER, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Boulder Council for International Visitors Inc

    EIN 840698597 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Boulder County AIDS Project

    EIN 742442032 · Headquarters: BOULDER, CO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Boulder County Amateur Radio Emergency Services

    EIN 262841880 · Headquarters: Boulder, CO, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Boulder County Amateur Radio Emergency Services Inc

    EIN 742020591 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Boulder County Arts Alliance Inc

    EIN 840566939 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Boulder County Bar Association

    EIN 840573252 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Boulder County Bar Foundation

    EIN 742325807 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Boulder County Beekeepers Association

    EIN 742032620 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Boulder County Bombers

    EIN 452969673 · Headquarters: Boulder, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Boulder County Business Hall of Fame Inc

    EIN 841225610 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Boulder County Dental Society

    EIN 840707927 · Headquarters: Boulder, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Boulder County Fire Fighters Association

    EIN 841287461 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Boulder County Horsemens Association Inc

    EIN 840699612 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Boulder County Injured and Fallen Officer Foundation

    EIN 831973282 · Headquarters: BOULDER, CO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Boulder County Intergroup

    EIN 651171991 · Headquarters: Boulder, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Boulder County Latina League Inc

    EIN 841545027 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Boulder County Medical Society

    EIN 846031814 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Boulder County Mental Health Foundation

    EIN 840717880 · Headquarters: Boulder, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990

  47. Boulder County Nature Association

    EIN 742243827 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Boulder County Regional Fire Training Center

    EIN 846120163 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Boulder County Rsvp Board Inc Dba Cultivate

    EIN 840769724 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Boulder County Workforce Development Board

    EIN 841604862 · Headquarters: Boulder, CO, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Boulder Creek Events

    EIN 010637788 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  52. Boulder Creek Watershed Initiative

    EIN 841387545 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. Boulder Crisis Pregnancy Center

    EIN 841097182 · Headquarters: BOULDER, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Boulder Cycling Club

    EIN 010937060 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Boulder Dance Coalition

    EIN 742558199 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Boulder Day Nursery Association

    EIN 840446349 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Boulder Dharma Center

    EIN 873910215 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Boulder Elks #566 Benevolent & Protective Order of Elks

    EIN 840146950 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Boulder Elks Youth Services Inc

    EIN 931332925 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Boulder Emergency Squad Inc

    EIN 846059143 · Headquarters: Boulder, CO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Boulder Ensemble Theatre Company

    EIN 208613113 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Boulder Executive Club

    EIN 465756063 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. Boulder Firefighters Iaff Local 900

    EIN 841218950 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Boulder Fish and Game Inc

    EIN 840437336 · Headquarters: BOULDER, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Boulder Flatirons Rotary Foundation a Nonprofit Corporation

    EIN 841473179 · Headquarters: BOULDER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Boulder Flying Club

    EIN 990663266 · Headquarters: Boulder, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Boulder Food and Wine Festival NFP

    EIN 474501874 · Headquarters: Boulder, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Boulder Food Rescue

    EIN 453006089 · Headquarters: BOULDER, CO, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Boulder Fop Lodge 65

    EIN 815269227 · Headquarters: Boulder, CO, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Boulder Friends of International Students

    EIN 742247739 · Headquarters: Boulder, CO, US · Social Science · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. Boulder Friends of Jazz

    EIN 750123544 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Boulder Genealogical Society

    EIN 840768450 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Boulder Green Building Foundation

    EIN 205005787 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Boulder Green Building Guild

    EIN 270095610 · Headquarters: Boulder, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Boulder High Lacrosse

    EIN 263350198 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Boulder High School - Instrumental Music Parents Association

    EIN 263663486 · Headquarters: Boulder, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Boulder High School Panther Club

    EIN 841406282 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Boulder Historical Society Inc

    EIN 840576359 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Boulder Hospice Foundation

    EIN 821881024 · Headquarters: Boulder, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Boulder Hotel and Motel Association

    EIN 510214225 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Boulder Housing Partners Foundation

    EIN 841584949 · Headquarters: Boulder, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Boulder Ice Inc

    EIN 841567583 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Boulder Institute for Psychotherapy and Research

    EIN 841507440 · Headquarters: BOULDER, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990

  84. Boulder Interdisciplinary Committee

    EIN 841360329 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Boulder International Folk Dancers

    EIN 840953932 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Boulder International Fringe Festival

    EIN 261358750 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  87. Boulder Irish Session Foundation Inc

    EIN 204101042 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Boulder Jazz Dance Collective

    EIN 841311338 · Headquarters: BOULDER, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Boulder JCC

    EIN 841322996 · Headquarters: Boulder, CO, United States · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  90. Boulder JCC | Jewish Community Center

    EIN 841513140 · Headquarters: Boulder, CO, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Boulder Jewish Community Foundation

    EIN 202829982 · Headquarters: BOULDER, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Boulder Jewish News Inc

    EIN 271184703 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Boulder Kathmandu Sister City Project

    EIN 471910014 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Boulder Kisumu Sister City Committee

    EIN 262461243 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Boulder Masonic Association Inc

    EIN 840260067 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  96. Boulder Metalsmithing

    EIN 461995739 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Boulder Model Railroad Club

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

  98. Boulder Montessori School

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

  99. Boulder Morningstar Zen Center

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

  100. Boulder Mountainbike Alliance

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

First page and all pages