Nonprofits in Castle Rock, Colorado
Nonprofits in Castle Rock, Colorado. Browse 553 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
- Horizon Care Inc
EIN 882372665 · Headquarters: Castle Rock, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Horsepower Inc
EIN 840977100 · Headquarters: Castle Rock, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Hrcp Youth Sports Club
EIN 464012236 · Headquarters: Castle Rock, CO, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Hsu Family Foundation
EIN 841592431 · Headquarters: Castle Rock, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hugs from Here
EIN 455291168 · Headquarters: Castle Rock, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Huskie Quarterback Club
EIN 742332662 · Headquarters: CASTLE ROCK, CO, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Husky Spirit Booster Club
EIN 882159350 · Headquarters: Castle Rock, CO, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Iglesia Cristiana Piedra Angular Inc
EIN 651154190 · Headquarters: CASTLE ROCK, CO, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ignite Ministry Inc
EIN 823144885 · Headquarters: Castle Rock, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inspire Creative Inc
EIN 260770136 · Headquarters: Castle Rock, CO, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- International Association of Firefighters - Local 4116
EIN 841611655 · Headquarters: CASTLE ROCK, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Machinists & Aerospace Workers
EIN 820209677 · Headquarters: Castle Rock, CO, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- International Space Development Authority Corporation
EIN 453611051 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- James Wernke Foundation
EIN 272051845 · Headquarters: CASTLE ROCK, CO, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Jessies Heart Foundation
EIN 260562381 · Headquarters: Castle Rock, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Jesus Schools
EIN 931650424 · Headquarters: Castle Rock, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Jim Hockaday Ministries Inc
EIN 731496428 · Headquarters: Castle Rock, CO, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Johnny's Ambassadors
EIN 850593925 · Headquarters: CASTLE ROCK, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Jonmarie Centre for Educational Therapy
EIN 742933871 · Headquarters: Castle Rock, CO, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Joseph House
EIN 271963291 · Headquarters: Castle rock, CO, US · Food, Agriculture & Nutrition · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Journey Into Creation Inc
EIN 412366539 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Journey with Ms Tina Inc
EIN 333647485 · Headquarters: Castle Rock, CO, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- K Project Freedom
EIN 844369155 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kainos Global
EIN 931589835 · Headquarters: Castle Rock, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kiera Educational Foundation
EIN 820660359 · Headquarters: CASTLE ROCK, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Kiha Foundation C/o Steven Winger
EIN 870856068 · Headquarters: CASTLE ROCK, CO, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Kiwanis Club of Castle Rockcommunity Foundation
EIN 204888128 · Headquarters: CASTLE ROCK, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Kiwanis International Inc
EIN 831166980 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Kiwanis International Inc
EIN 841542585 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 840984779 · Headquarters: Castle Rock, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kristy Lane Foundation
EIN 464469888 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Labarbera Family Foundation
EIN 993469374 · Headquarters: Castle Rock, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Lady Trailblazer Inc
EIN 830862532 · Headquarters: CASTLE ROCK, CO, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Latin America Childrens Fund
EIN 841460267 · Headquarters: Castle Rock, CO, USA · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Lighthouse Discovery Center Inc
EIN 331828704 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lightwell Initiative
EIN 393181315 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lillis Foundation
EIN 916520620 · Headquarters: CASTLE ROCK, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Littleton Lemons Rugby Club
EIN 333554342 · Headquarters: Castle Rock, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Live Free Association
EIN 842526639 · Headquarters: Castle Rock, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Livin Ignited Nfp
EIN 201662910 · Headquarters: Castle Rock, CO, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Living Waters Retreat
EIN 271731819 · Headquarters: CASTLE ROCK, CO, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Lowrie Family Foundation
EIN 841498572 · Headquarters: CASTLE ROCK, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Lucille R Brown Foundation Inc
EIN 846025298 · Headquarters: Castle Rock, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Lux Global Inc
EIN 811732291 · Headquarters: Castle Rock, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- M633 Inc
EIN 474665263 · Headquarters: Castle Rock, CO, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Maasai Development Incorporated
EIN 844895609 · Headquarters: Castle Rock, CO, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Maddiepalooza Inc
EIN 812888226 · Headquarters: CASTLE ROCK, CO, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Maddox Apollo De Castro Chancey Foundation
EIN 334461984 · Headquarters: Castle Rock, CO, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Making Advancements Toward MANE
EIN 474305053 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Marin Elizabeth Lacson Memorial Foundation
EIN 993104278 · Headquarters: Castle Rock, CO, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Marine Corps League
EIN 331126018 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Marjorie B Girard Scholarship Fund
EIN 841203926 · Headquarters: Castle Rock, CO, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- Marsh Youth Sports Ltd
EIN 871285534 · Headquarters: CASTLE ROCK, CO, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mask Americas Kids
EIN 850990236 · Headquarters: CASTLE ROCK, CO, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mason M Roberts Foundation
EIN 316024937 · Headquarters: CASTLE ROCK, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Max W Donahue Vfw Post 12230
EIN 992284017 · Headquarters: CASTLE ROCK, CO, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- MaydayUS
EIN 920554585 · Headquarters: CASTLE ROCK, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Meadow View Elementary Pto
EIN 474652208 · Headquarters: Castle Rock, CO, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meadows Cultural Affairs Association
EIN 263584396 · Headquarters: Castle Rock, CO, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Melvin & Elaine Wolf Foundation
EIN 840797937 · Headquarters: Castle Rock, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Men on Point
EIN 813732882 · Headquarters: CASTLE ROCK, CO, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mens Crisis Connection
EIN 472422664 · Headquarters: Castle Rock, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Mile High Canine Rescue Inc
EIN 843745308 · Headquarters: Castle Rock, CO, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ministry Personnel Care
EIN 472364847 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Missiontel Inc
EIN 464668376 · Headquarters: Castle Rock, CO, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Moms Club
EIN 300566503 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Moms Club
EIN 412280826 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Moms Club
EIN 841611304 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- MORE Mentoring
EIN 823170194 · Headquarters: Castle Rock, CO, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mountain Aire Reptile Rescue & Sanctuary
EIN 800122896 · Headquarters: CASTLE ROCK, CO, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Move Douglas County
EIN 824710201 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Mundi Primum Foundation Inc
EIN 882138189 · Headquarters: CASTLE ROCK, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Muskies Inc
EIN 412074917 · Headquarters: Castle Rock, CO, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Nathaniels Childhood Cancer Foundation
EIN 871230000 · Headquarters: Castle Rock, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Alliance for Infant Day Care Providers
EIN 841640022 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Ambucs Inc
EIN 843970767 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Communications Systems Engineers
EIN 841432841 · Headquarters: Castle Rock, CO, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- National Association of Professional Mortgage Women
EIN 880352966 · Headquarters: Castle Rock, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Association of Professional Mortgage Women
EIN 942848233 · Headquarters: Castle Rock, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Association of Professional Mortgage Women
EIN 942907017 · Headquarters: Castle Rock, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Cancer Prevention Fund
EIN 841312917 · Headquarters: CASTLE ROCK, CO, USA · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990
- National Coalition Against Violent Athletes
EIN 311595882 · Headquarters: Castle Rock, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Coalition for Responsible Cannabinoid
EIN 412648159 · Headquarters: Castle Rock, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Society of the Daughters of the American Revolution
EIN 474400028 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Young Mens Service League
EIN 992261121 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Life in Christ Foundation
EIN 846110975 · Headquarters: Castle Rock, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- New Paradigm Counseling Education Foundation
EIN 874401492 · Headquarters: Castle Rock, CO, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nieman Ranch Rescue
EIN 933604512 · Headquarters: Castle Rock, CO, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Niren Christian Foundation
EIN 464317874 · Headquarters: CASTLE ROCK, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Noah's Ark Foundation
EIN 271551891 · Headquarters: CASTLE ROCK, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Nova Academy
EIN 821724122 · Headquarters: Castle Rock, CO, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nova Spark Foundation
EIN 882937464 · Headquarters: CASTLE ROCK, CO, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Life Matters
EIN 851318232 · Headquarters: CASTLE ROCK, CO, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Rehydration Inc
EIN 842290632 · Headquarters: CASTLE ROCK, CO, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Optimist International
EIN 900249324 · Headquarters: Castle Rock, CO, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Origins Accessories Inc
EIN 352800378 · Headquarters: Castle Rock, CO, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outward Bounce Inc
EIN 208146048 · Headquarters: Castle Rock, CO, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Overcoming the Odds Foundation
EIN 873825382 · Headquarters: Castle Rock, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oyl for Good Limited
EIN 993203059 · Headquarters: Castle Rock, CO, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Palmer Divide Victory Riders
EIN 465733655 · Headquarters: CASTLE ROCK, CO, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N