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
- Norman C Tanner & Barbara L Tanner 2Nd Charitable Support Trust
EIN 477156650 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Norman C Tanner & Barbara L Tanner Third Charitable Support Trust
EIN 477160140 · Headquarters: BOULDER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- North American Ski Journalists Association Inc
EIN 223124447 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- North American Society for the Psychology of Sports & Physical Act
EIN 251356622 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- North Boulder Little League
EIN 841160764 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- North Wonderland Community
EIN 271040083 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northern Colorado Crime Stoppers Inc
EIN 840889336 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Northern Colorado Womens Lacrosse Foundation
EIN 921901735 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northern Star Charities Inc DBA True North Young Adult Services
EIN 465330950 · Headquarters: Boulder, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Nrotc Club at University of Colorado Inc
EIN 453370915 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Nu Rho Psi-the National Honor Society in Neuroscience
EIN 475057027 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nurlejol
EIN 884155699 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nut-rients Foundation
EIN 273541651 · Headquarters: boulder, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Nyagi Project
EIN 471063605 · Headquarters: Boulder, CO, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Obligatory Themes
EIN 841525818 · Headquarters: Boulder, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Ocean First Institute
EIN 471716881 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Off the Front Cycling
EIN 453970449 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Off the Ropes
EIN 824518688 · Headquarters: BOULDER, CO, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old Dogs New Digs
EIN 812989120 · Headquarters: Boulder, CO, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Old School Industries Racing Inc
EIN 813750669 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Old School Sports Inc
EIN 364786247 · Headquarters: Boulder, CO, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- One Act a Day
EIN 471353067 · Headquarters: Boulder, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Congruex Foundation
EIN 881808660 · Headquarters: BOULDER, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Freedom Inc
EIN 010787064 · Headquarters: Boulder, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- One Kidney Clubs
EIN 992322300 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Local Foundation
EIN 352748157 · Headquarters: Boulder, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Million Truths Foundation Inc
EIN 993970690 · Headquarters: BOULDER, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- One Society International
EIN 841145214 · Headquarters: Boulder, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One to One Specialized Services Inc
EIN 800713285 · Headquarters: BOULDER, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One World Running Inc
EIN 841602885 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Only One Inc
EIN 841109861 · Headquarters: Boulder, CO, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Open Boulder
EIN 471061512 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Boulder Foundation
EIN 471050564 · Headquarters: Boulder, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Source Hardware Association
EIN 455524560 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Studios Inc
EIN 841305449 · Headquarters: Boulder, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Tech International
EIN 392182664 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Equine Inc
EIN 833181981 · Headquarters: BOULDER, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Optical Society of America Student Chapter at Cu Boulder
EIN 464933784 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optimist International
EIN 237007772 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 237068526 · Headquarters: Boulder, CO, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Optimist International
EIN 742289853 · Headquarters: BOULDER, CO, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Optimist International
EIN 841210697 · Headquarters: Boulder, CO, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Orchard Grove Conservancy
EIN 262981573 · Headquarters: Boulder, CO, US · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Oreg Foundation
EIN 841513850 · Headquarters: BOULDER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Organization for Economic Literacy
EIN 270693591 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Osel Dorje Nyingpo
EIN 680341039 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Osho Zeenat Foundation C/o Klaus Schober
EIN 453232370 · Headquarters: BOULDER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Our Sacred Earth
EIN 204907597 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our School Preschool Inc
EIN 840679096 · Headquarters: BOULDER, CO, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990
- Out Boulder County Action
EIN 931554241 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Outdoor Industry Association
EIN 841143854 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Outward Bound Inc
EIN 042375956 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Owl Recording Inc
EIN 840675336 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Paka Foundation Inc
EIN 332549212 · Headquarters: BOULDER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Palyul Dochen Gonpa
EIN 352437248 · Headquarters: Boulder, CO, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Pangaea World Foundation
EIN 824760253 · Headquarters: Boulder, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Pangea Foundation
EIN 273335321 · Headquarters: Boulder, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Pangea Institute
EIN 030413991 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Pangje Foundation
EIN 464409381 · Headquarters: Boulder, CO, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paper and Pencils
EIN 842630754 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Paradox Sports
EIN 260153796 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Parent Advisory Council of Boulder
EIN 841359539 · Headquarters: BOULDER, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Parent Teacher Organization of Nevin Platt Middle School
EIN 331055085 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Parenting Place
EIN 840978808 · Headquarters: BOULDER, CO, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990
- Parlando Incorporated
EIN 810578549 · Headquarters: BOULDER, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Passageways Institute Inc Dba Passageworks Institute
EIN 481278766 · Headquarters: Boulder, CO, USA · Crime & Legal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Path of the Heart
EIN 460742024 · Headquarters: BOULDER, CO, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990
- Paul Hummel Astronomy Club of Boulder
EIN 842150133 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pax Fauna
EIN 851773564 · Headquarters: Boulder, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pay It Fur-Ward Corp
EIN 394651620 · Headquarters: Boulder, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Peace Initiatives Institute
EIN 841592101 · Headquarters: BOULDER, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Peaceful Philanthropy Inc
EIN 384252037 · Headquarters: Boulder, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- People Places Project
EIN 452755068 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Peopleforbikes Coalition Ltd
EIN 391946697 · Headquarters: BOULDER, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Peopleforbikes Foundation
EIN 204306888 · Headquarters: BOULDER, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Perfecting Horizons Inc
EIN 300762351 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Period Pals Project
EIN 833174859 · Headquarters: Boulder, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pet Sustainability Coalition
EIN 850559248 · Headquarters: Boulder, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pfo Research Foundation
EIN 272348369 · Headquarters: Boulder, CO, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Phi Beta Kappa Society
EIN 846035935 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Phi Delta Theta Fraternity Colorado Alpha Chapter
EIN 823662749 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Phi Gamma Delta Fraternity
EIN 824859305 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Phi Kappa Psi Fraternity-Colorado Alpha Chapter
EIN 841478063 · Headquarters: BOULDER, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Phi Kappa Tau Fraternity
EIN 840291140 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Phi Sigma Rho National Sorority
EIN 815319958 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- PHNX Collective
EIN 990948294 · Headquarters: BOULDER, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Pi Kappa Alpha Fraternity
EIN 841092011 · Headquarters: Boulder, CO, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Pi Kappa Alpha Fraternity Beta Upsilon Chapter
EIN 611802034 · Headquarters: Boulder, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Pi Kappa Phi Fraternity
EIN 841127582 · Headquarters: BOULDER, CO, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Pi Mu Epsilon Fraternity
EIN 824642409 · Headquarters: BOULDER, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pi Tau Sigma
EIN 582176232 · Headquarters: boulder, CO, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Pilates Institute of North America Inc
EIN 452789413 · Headquarters: Boulder, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pine Brook Hills Community Fund
EIN 821516892 · Headquarters: Boulder, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pine Brook Hills Homeowners Association Inc
EIN 841356918 · Headquarters: Boulder, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Piste Foundation
EIN 263070220 · Headquarters: Boulder, CO, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Pitch It
EIN 271264646 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Plan Boulder County
EIN 841606212 · Headquarters: Boulder, CO, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Plan Boulder County Inc
EIN 455282033 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Planet Project Stewardship Entity
EIN 871386809 · Headquarters: Boulder, CO, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Polaris Alaskan Malamute Rescue
EIN 825457734 · Headquarters: BOULDER, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF