Nonprofits in Longmont, Colorado
Nonprofits in Longmont, Colorado. Browse 790 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
- La Familia Boxing
EIN 811774983 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- La Isla Boxing Club
EIN 920665440 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- La Leche League International Inc
EIN 841584683 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- La Mano Amiga
EIN 270244569 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- La Roca Eterna
EIN 010869244 · Headquarters: Longmont, CO, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990
- Laguna Project Inc
EIN 300434581 · Headquarters: Longmont, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Lake Ditch Co
EIN 846038720 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Last Chance Ditch Co
EIN 846038278 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Latino Taskforce of Boulder County
EIN 202064149 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Laughing Coyote Project
EIN 263593156 · Headquarters: Longmont, CO, United States · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Leadership by the Book Inc
EIN 810739177 · Headquarters: Longmont, CO, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Left Hand Artist Group
EIN 833027913 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Left Hand Brewing Foundation Inc
EIN 814909219 · Headquarters: LONGMONT, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990
- Leggett Ditch and Reservoir Company
EIN 840363626 · Headquarters: Longmont, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Lets Be Ready
EIN 472274700 · Headquarters: Longmont, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Lhs Mega Reunions Inc
EIN 992805783 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Liberty Ears Inc
EIN 873537886 · Headquarters: LONGMONT, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Life Choices Pregnancy Center Roberts
EIN 742345974 · Headquarters: LONGMONT, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Life In Balance
EIN 473934476 · Headquarters: LONGMONT, CO, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- LifeBridge Christian Church
EIN 840463390 · Headquarters: Longmont, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Lifting the Silenced a Mst Resistance Coalition Inc
EIN 993326714 · Headquarters: LONGMONT, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Lightshine Canine Inc
EIN 473048896 · Headquarters: Longmont, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Living Education 4-H Club
EIN 933675591 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Living Roots
EIN 273958124 · Headquarters: Longmont, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- LOCO Girls Basketball
EIN 844964827 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Aauw Inc
EIN 823677636 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Aircraft Modelers
EIN 991517885 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Longmont All Star Jazz Band
EIN 414909449 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Amateur Radio Club Inc
EIN 841056239 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont Area Chamber of Commerce
EIN 840253845 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Area Visitor's Association
EIN 262608100 · Headquarters: LONGMONT, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Longmont Artists Guild
EIN 841110783 · Headquarters: LONGMONT, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont Astronomical Society
EIN 841057227 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Baseball League Inc
EIN 840596383 · Headquarters: LONGMONT, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Cable Trust Inc
EIN 846177035 · Headquarters: LONGMONT, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990
- Longmont Cemetery Association
EIN 840253840 · Headquarters: LONGMONT, CO, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Chapter No 1211 Women of the Moose
EIN 237132593 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Chorale Inc
EIN 742496901 · Headquarters: Longmont, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Longmont Christian Prechool
EIN 204196658 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Club Inc
EIN 464644713 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Columbine Tr
EIN 306176906 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont Combined Hs Hockey Club
EIN 200301755 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Community Gardens
EIN 852541143 · Headquarters: Longmont, CO, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Longmont Community Radio
EIN 721552517 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont Concert Band
EIN 200633061 · Headquarters: Longmont, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Council for the Arts Dba Arts Longmont
EIN 742381520 · Headquarters: LONGMONT, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990
- Longmont Economic Development Partnership
EIN 840840120 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Educational Equines
EIN 934209323 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont Electric Aircraft Flyers Inc
EIN 273961205 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Elks Lodge #1055 BPOE
EIN 840147030 · Headquarters: Longmont, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Longmont Emergency Unit
EIN 840536967 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Longmont Estates Elementary School Pto
EIN 841366272 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Longmont Explorer Program
EIN 821965103 · Headquarters: Longmont, CO, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont Food Rescue
EIN 814920478 · Headquarters: LONGMONT, CO, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Longmont Fraternal Order of Police Lodge 6
EIN 742205738 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Friends of Feral & Abandoned Cats
EIN 461620861 · Headquarters: Longmont, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Genealogical Society Inc
EIN 142010105 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont High Education Foundation Inc
EIN 841234205 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont High School Booster Club Inc
EIN 260097203 · Headquarters: Longmont, CO, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Longmont High School Performing Arts Boosters
EIN 841596112 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Himalayas
EIN 813503938 · Headquarters: LONGMONT, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Longmont Housing Development Corporation
EIN 841247423 · Headquarters: Longmont, CO, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Humane Society Inc
EIN 840645455 · Headquarters: LONGMONT, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Jazz Association
EIN 841459561 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Longmont Junior Linksters Inc
EIN 825515767 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Longmont Latin School
EIN 932577182 · Headquarters: Longmont, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Latinx Voices
EIN 881399699 · Headquarters: LONGMONT, CO, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Lodge 1548 Loyal Order of Moose
EIN 840465879 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Longmont Lodge 29 Ioof
EIN 840234615 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Meals on Wheels Inc
EIN 840590979 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Outlawz Baseball Club
EIN 261516072 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Longmont Performing Arts Initiative Inc
EIN 842933699 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Longmont Police K9 Association
EIN 813611876 · Headquarters: Longmont, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Professional Firefighters Association
EIN 994487953 · Headquarters: LONGMONT, CO, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Public Media
EIN 820829889 · Headquarters: Longmont, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Quilt Guild
EIN 204117412 · Headquarters: LONGMONT, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Rod and Gun Club
EIN 840702497 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Longmont Rotary Charity Fund Inc
EIN 742254798 · Headquarters: Longmont, CO, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Longmont Sister Cities Association
EIN 841294179 · Headquarters: Longmont, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Longmont St Vrain Rotary Charity Fund Inc
EIN 841519622 · Headquarters: Longmont, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Longmont Start Up Week
EIN 882560946 · Headquarters: Longmont, CO, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Longmont Supply Ditch Company
EIN 840253985 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Longmont Swim Club
EIN 840680724 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Longmont Symphony Society Inc
EIN 840611954 · Headquarters: LONGMONT, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Tennis Association
EIN 841094469 · Headquarters: Longmont, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Theatre Company Inc
EIN 841092371 · Headquarters: LONGMONT, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Longmont Triangle Club Inc
EIN 841016026 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Twin Peaks Rotary Charity Fund Inc
EIN 742547285 · Headquarters: LONGMONT, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmont Youth Sports Organization
EIN 412257705 · Headquarters: LONGMONT, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longmont Youth Symphony Inc
EIN 260309390 · Headquarters: Longmont, CO, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longmontbarnstormers
EIN 393717070 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Longs Peak Disc Golf Club
EIN 851509154 · Headquarters: LONGMONT, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Longs Peak Hospital
EIN 611786722 · Headquarters: LONGMONT, CO, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990
- Longs Peak Hospital Foundation
EIN 821613059 · Headquarters: LONGMONT, CO, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Loveland Volunteer Ski Patrol
EIN 331873187 · Headquarters: Longmont, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lower Oligarchy Ditch Co
EIN 846044111 · Headquarters: Longmont, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- M E S a Youth
EIN 841557751 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Maccabee Project Inc
EIN 333759097 · Headquarters: LONGMONT, CO, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Magi Project
EIN 472087680 · Headquarters: longmont, CO, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Magic Bridge Theatre Company
EIN 134180082 · Headquarters: Longmont, CO, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N