Data / Nonprofits / Colorado / Castle Rock
Nonprofits in Castle Rock, CO: 450 registered with the IRS
450 nonprofits are registered with the IRS in Castle Rock, CO, 412 of them 501(c)(3) charities; the 119 that report revenue took in $126.1 million. The largest by revenue: Country Club at Castle Pines Inc ($15.5 million), Aspen View Academy Inc ($14.6 million), World Compass Academy ($12.8 million). Most common causes: religion-related (69), education (42), human services (40).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Country Club at Castle Pines Inc | Recreation and sports | 501(c)(7) | 2007 | $15.5 million | $39.1 million | 2024-12 |
| Aspen View Academy Inc | Education | 501(c)(3) | 2020 | $14.6 million | $46.3 million | 2025-06 |
| World Compass Academy | Education | 501(c)(3) | 2020 | $12.8 million | $25.5 million | 2025-06 |
| Johnnys Ambassadors Inc | Mental health and crisis intervention | 501(c)(3) | 2020 | $10.8 million | $490,611 | 2024-12 |
| Castle Rock Lifelong Learning Center | Education | 501(c)(3) | 1999 | $9.1 million | $17.1 million | 2025-06 |
| Renaissance Secondary School | Education | 501(c)(3) | 2016 | $7.1 million | $4.5 million | 2025-06 |
| Douglas County Educational Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1991 | $6.1 million | $5 million | 2025-06 |
| Champion Ministries Inc | Youth development | 501(c)(3) | 1997 | $5.1 million | $928,421 | 2025-12 |
| Castle Rock Community Inter Church Task Force | Human services | 501(c)(3) | 1986 | $4.6 million | $3.3 million | 2024-12 |
| Wellspring Community | Human services | 501(c)(3) | 2010 | $3.7 million | $2.4 million | 2024-12 |
| Castle Country Assisted Living Inc | Human services | 501(c)(3) | 1989 | $3.6 million | $4.5 million | 2025-10 |
| Catholic Benefits Association Lca | 501(c)(3) | 1946 | $2.9 million | $3.6 million | 2024-12 | |
| Gameday Inc | Youth development | 501(c)(3) | 2014 | $2.3 million | $2 million | 2024-12 |
| Hopes Promise | Human services | 501(c)(3) | 1992 | $2.2 million | $1.7 million | 2025-12 |
| Douglas County Land Conservancy | Environment | 501(c)(3) | 1988 | $1.2 million | $3.8 million | 2025-12 |
| Castle Rock Senior Center Incorporated | Community improvement and capacity building | 501(c)(3) | 1993 | $1 million | $1.1 million | 2024-12 |
| Sri Venkateswara Temple of Colorado Inc | Religion-related | 501(c)(3) | 2007 | $1 million | $5.8 million | 2025-12 |
| Summit Homeschool Academy | Education | 501(c)(3) | 2023 | $988,970 | $368,402 | 2025-06 |
| Aging Resources of Douglas County | Mental health and crisis intervention | 501(c)(3) | 2018 | $929,934 | $1.6 million | 2024-12 |
| Castle Rock Chamber of Commerce | 501(c)(6) | 1984 | $923,600 | $272,848 | 2024-12 | |
| Castle Rock Christian Academy | Education | 501(c)(3) | 2023 | $912,652 | $57,531 | 2024-06 |
| Rooted 303 | Human services | 501(c)(3) | 2020 | $840,969 | $225,456 | 2025-12 |
| Douglas County Libraries Foundation | Education | 501(c)(3) | 2016 | $766,499 | $3 million | 2025-12 |
| Raptors Athletics | Youth development | 501(c)(3) | 2019 | $763,916 | $531,564 | 2025-09 |
| Uplift Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $755,152 | $69,709 | 2024-12 |
| Douglas County Fair Foundation Inc | 501(c)(3) | 1986 | $684,330 | $497,760 | 2025-12 | |
| Living Waters Retreat Ministry Inc | Human services | 501(c)(3) | 2010 | $667,864 | $1.3 million | 2025-12 |
| Castle Rock Economic Development Council Inc | Community improvement and capacity building | 501(c)(6) | 2000 | $667,720 | $315,857 | 2024-12 |
| Douglas County Veterans Monument Foundation Corp | Arts, culture and humanities | 501(c)(3) | 2011 | $573,774 | $691,425 | 2023-12 |
| Castle Pines Scholarship Foundation Inc | Education | 501(c)(3) | 2005 | $569,757 | $4.4 million | 2024-12 |
| Mile High Canine Rescue Inc | Animal-related | 501(c)(3) | 2019 | $508,428 | $236,271 | 2024-12 |
| True Impact Ministries Inc | Human services | 501(c)(3) | 2012 | $482,171 | $153,073 | 2025-12 |
| Colorado Agricultural Leadership Foundation Inc | Education | 501(c)(3) | 2003 | $435,088 | $2.7 million | 2024-12 |
| Jim Hockaday Ministries Inc | Religion-related | 501(c)(3) | 1997 | $402,698 | $248,698 | 2024-12 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $359,399 | $295,548 | 2025-05 | |
| The Aspen Effect Inc | Human services | 501(c)(3) | 2018 | $356,070 | $169,416 | 2025-12 |
| Aftermath Foundation | Human services | 501(c)(3) | 2018 | $340,100 | $202,375 | 2025-12 |
| Castle Rock Cudas Youth Swim Team | Recreation and sports | 501(c)(3) | 2002 | $339,216 | $155,388 | 2025-08 |
| Summit Christian Academy | Education | 501(c)(3) | 2025 | $322,790 | $68,236 | 2025-06 |
| Roundup Riders of the Rockies Heritage and Trails Foundation Inc | 501(c)(3) | 1988 | $304,673 | $1.8 million | 2024-12 | |
| Sparks Volleyball Academy | Recreation and sports | 501(c)(3) | 2017 | $297,803 | $68,400 | 2025-12 |
| Douglas County High Schools Academic and Athletic Association | Youth development | 501(c)(3) | 2017 | $292,927 | $305,661 | 2025-07 |
| Colorado Assessors Association | Community improvement and capacity building | 501(c)(4) | 1999 | $292,463 | $235,278 | 2025-09 |
| Hearties International | Recreation and sports | 501(c)(3) | 2024 | $284,095 | $5,737 | 2025-12 |
| Bjorem & Bolles Apraxia Education Initiative | Health care | 501(c)(3) | 2025 | $267,110 | $117,714 | 2025-12 |
| Christian Influencers Network | Religion-related | 501(c)(3) | 2021 | $244,328 | $29,665 | 2025-12 |
| Conservation Investment Germinator | Environment | 501(c)(3) | 2020 | $233,276 | $147,726 | 2024-12 |
| Sunday Salmon Inc | Food, agriculture and nutrition | 501(c)(3) | 2025 | $228,330 | $75,440 | 2025-12 |
| Hispanic Restaurant Association | Community improvement and capacity building | 501(c)(3) | 2022 | $218,539 | $35,896 | 2023-12 |
| Boulder Rotary Club Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1994 | $215,152 | $1.7 million | 2025-12 |
| More Mentoring | Mental health and crisis intervention | 501(c)(3) | 2018 | $200,926 | $52,850 | 2025-12 |
| Castle View Gridiron Club | Education | 501(c)(3) | 2018 | $198,447 | $76,332 | 2024-12 |
| Cityforce Inc | Religion-related | 501(c)(3) | 2002 | $198,304 | $105,444 | 2025-12 |
| Fbi National Academy Associates Inc | 501(c)(3) | 1993 | $178,398 | $231,403 | 2024-12 | |
| Fallen Officer Fund of Douglascounty Foundation | Human services | 501(c)(3) | 2007 | $159,569 | $977,900 | 2025-12 |
| Douglas County Search and Rescue Team Inc | Health care | 501(c)(3) | 1998 | $158,660 | $536,580 | 2023-12 |
| Abbas Child Grief Support Inc | Human services | 501(c)(3) | 2020 | $148,204 | $3,326 | 2025-09 |
| Restored | Youth development | 501(c)(3) | 2019 | $142,082 | $93,345 | 2025-12 |
| Colorado Association of Charter School Authorizers | Health care | 501(c)(3) | 2022 | $141,961 | $21,039 | 2024-12 |
| Robin S Nest Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $139,408 | $104,005 | 2024-12 |
| Castle Rock Professional Firefighters Foundation | Human services | 501(c)(3) | 2019 | $139,003 | $84,728 | 2025-07 |
| Rocky Mountain District Kiwanis Foundation Inc | 501(c)(3) | 1985 | $132,551 | $744,944 | 2025-09 | |
| International Association of Fire Fighters | 501(c)(5) | 1959 | $130,388 | $66,201 | 2025-07 | |
| Castle Rock Merchants Association | Community improvement and capacity building | 501(c)(6) | 2017 | $127,307 | $270,501 | 2024-12 |
| Aluminum Foil Container Manufacturers Association | 501(c)(6) | 1957 | $126,536 | $93,031 | 2025-12 | |
| Trustees of the Corcoran Gallery of Art | Arts, culture and humanities | 501(c)(3) | 1924 | $118,066 | $648,126 | 2025-06 |
| Ywam - Global Target Network | Religion-related | 501(c)(3) | 2023 | $116,803 | $53,547 | 2025-12 |
| Castle Rock Players Inc | Arts, culture and humanities | 501(c)(3) | 1998 | $115,181 | $46,678 | 2025-12 |
| Sweet Adelines International | Arts, culture and humanities | 501(c)(3) | 1955 | $112,542 | $177,642 | 2026-04 |
| Iglesia Cristiana Piedra Angular Inc | Religion-related | 501(c)(3) | 1969 | $111,108 | $5,885 | 2024-12 |
| Tri Arts Project | Arts, culture and humanities | 501(c)(3) | 2022 | $110,446 | $123,771 | 2024-12 |
| Cyber Defense Center | Human services | 501(c)(3) | 2022 | $106,881 | $411,695 | 2024-12 |
| Connorsk9-Paws Inc | Public and societal benefit | 501(c)(3) | 2022 | $106,324 | $61,119 | 2025-12 |
| Foregut Research Foundation | Medical research | 501(c)(3) | 2021 | $102,189 | $61,579 | 2025-12 |
| Colorado Animal Welfare League | Animal-related | 501(c)(3) | 2010 | $101,698 | $61,747 | 2025-12 |
| Castle Rock Chamber Foundation | Public and societal benefit | 501(c)(3) | 2017 | $101,112 | $199,187 | 2024-12 |
| Rescued | Religion-related | 501(c)(3) | 2023 | $99,649 | $65,639 | 2026-06 |
| Sabercat Lacrosse Club | Recreation and sports | 501(c)(3) | 2016 | $97,227 | $63,192 | 2025-06 |
| Country Club at Castle Pines Scholarship Foundation | Education | 501(c)(3) | 2014 | $97,094 | $92,887 | 2024-12 |
| Roi Equipping Inc | Religion-related | 501(c)(3) | 2002 | $96,832 | $97,035 | 2025-12 |
| Renewed Hope Charitable Foundation | International, foreign affairs and national security | 501(c)(3) | 2000 | $94,619 | $78,545 | 2025-06 |
| Rotary Club of Castle Pines Foundation Inc | Human services | 501(c)(3) | 2014 | $94,112 | $51,011 | 2025-06 |
| Renaissance Educational Alliance | Education | 501(c)(3) | 2018 | $92,658 | $122,663 | 2025-06 |
| Knights of Columbus | 501(c)(8) | 1940 | $88,332 | $154,301 | 2025-12 | |
| Dads of Castle Rock Community Outreach Inc | Health care | 501(c)(3) | 2020 | $87,460 | $159,445 | 2023-12 |
| Box State Bad Boys | Recreation and sports | 501(c)(3) | 2022 | $86,474 | $2,200 | 2025-09 |
| Help World Tour Incorporated | Religion-related | 501(c)(3) | 2015 | $86,271 | $42,027 | 2025-12 |
| Sabercat Diamond Club | Education | 501(c)(3) | 2016 | $80,406 | $32,530 | 2025-12 |
| M633 Inc | Youth development | 501(c)(3) | 2020 | $79,775 | $130,956 | 2025-12 |
| Journey With MS Tina Inc | Youth development | 501(c)(3) | 2026 | $79,426 | $10,163 | 2025-12 |
| Danny Oertli Ministries Inc | Religion-related | 501(c)(3) | 1999 | $71,417 | $12,349 | 2025-12 |
| Colorado Policy Institute | Civil rights, social action and advocacy | 501(c)(4) | 2009 | $68,000 | $425 | 2024-12 |
| Rotary Club of Castle Rock Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2009 | $66,972 | $59,755 | 2025-06 |
| Aurora Horsemen Foundation | Recreation and sports | 501(c)(3) | 2022 | $65,367 | $58,198 | 2025-12 |
| Society of Health and Physical Educators of Colorado | 501(c)(3) | 1972 | $61,567 | $608 | 2026-05 | |
| Douglas Elbert County Bar Association Inc | 501(c)(6) | 1989 | $58,995 | $64,253 | 2026-06 | |
| One Life Matters | Human services | 501(c)(3) | 2024 | $58,165 | $98,399 | 2025-12 |
| Douglas County High School Band Boosters | Education | 501(c)(3) | 1999 | $53,796 | $305,684 | 2025-05 |
| Castle View Band Boosters | Arts, culture and humanities | 501(c)(3) | 2018 | $52,786 | $15,066 | 2025-12 |
| Castle Rock Parks and Trails Foundation | Recreation and sports | 501(c)(3) | 2013 | $52,526 | $116,943 | 2024-12 |
| Association of Image Consultants in Ternational USA Chapter | Community improvement and capacity building | 501(c)(6) | 2026 | $52,365 | $20,650 | 2025-12 |
| Academy Charter Pto | Education | 501(c)(3) | 1995 | $50,165 | $49,656 | 2025-06 |
| Aspire Hope for Kids | Mental health and crisis intervention | 501(c)(3) | 2023 | $45,501 | $377,481 | 2025-12 |
| Senior Citizens Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $43,227 | $629,804 | 2024-12 |
| Rylie S Ark | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $42,723 | $119,635 | 2025-12 |
| Colorado Ninja League | Recreation and sports | 501(c)(3) | 2023 | $37,463 | $20,071 | 2025-12 |
| Horsepower Inc | 501(c)(3) | 1986 | $36,976 | $60,044 | 2025-12 | |
| Broken Tree Community Center | Human services | 501(c)(3) | 2014 | $30,138 | $24,841 | 2025-12 |
| Christian Chaplain Services Inc | Religion-related | 501(c)(3) | 1993 | $26,243 | $5,915 | 2025-12 |
| Beast of Burden Recovery and Education Center Inc | Animal-related | 501(c)(3) | 2024 | $22,804 | $598 | 2025-12 |
| Food Insecurity and Relief Solutions Today | Public safety, disaster preparedness and relief | 501(c)(3) | 2020 | $21,658 | $61,908 | 2025-12 |
| Dcso Explorer Post 10-4 | Youth development | 501(c)(3) | 2012 | $17,395 | $18,100 | 2025-12 |
| Kahuba | Arts, culture and humanities | 501(c)(3) | 2020 | $12,630 | $23,250 | 2024-12 |
| Robin Collins Nash Foundation | Human services | 501(c)(3) | 2019 | $11,771 | $121,620 | 2025-12 |
| Future Hope Foundation | Education | 501(c)(3) | 2010 | $11,024 | $2,964 | 2025-12 |
| Set Them Free Inc | Public and societal benefit | 501(c)(3) | 2014 | $7,007 | $33,384 | 2023-12 |
| Dan Curtis Memorial Scholarship Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $917 | $1,323 | 2025-12 |
| Adsit Strong Inc | Human services | 501(c)(3) | 2016 | $753 | $1 | 2024-12 |
| Healing Through Hope Inc | Mental health and crisis intervention | 501(c)(3) | 2018 | $25 | $6,488 | 2025-12 |
| 16 15 the GC Media Project | Arts, culture and humanities | 501(c)(3) | 2007 | $0 | $0 | 2026-06 |
| 18 Principles Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| 1twenty7 Project Inc | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| 28TH Field Artillery Regiment Association | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-09 |
| 643 Youth Sports Foundation Inc | Human services | 501(c)(3) | 2026 | |||
| 801 Athletics | Youth development | 501(c)(3) | 2026 | |||
| 8TH Mountain Ranch | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| A Life Well Fed | Diseases, disorders and medical disciplines | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Able Nation Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 | |
| Academy Charter School | 501(c)(3) | 2026 | ||||
| Aliyah Inspired Moments Aim 2 Cure Inc | Medical research | 501(c)(3) | 2012 | $0 | $0 | 2023-12 |
| All Valley Boxing | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Altitude Multisport Club | Youth development | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Always Faithful Bibles Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-10 | |
| American Hormone Institute Inc | Health care | 501(c)(3) | 2024 | |||
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2026-06 | |
| Anchor of Love | Diseases, disorders and medical disciplines | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Ancient Free & Accepted Masons of Colorado | 501(c)(8) | 1941 | $0 | $0 | 2025-12 | |
| Art Fowler Ministries | Religion-related | 501(c)(3) | 1990 | $0 | $0 | 2025-12 |
| Artios Academies Greenwood Village | Education | 501(c)(3) | 2026 | |||
| Aspenosium | Public and societal benefit | 501(c)(7) | 2025 | $0 | $0 | 2026-03 |
| Association of Old Crows | 501(c)(6) | 1973 | ||||
| At the Table Colorado | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Baileys Love | Animal-related | 501(c)(3) | 2026 | |||
| Barn Church | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Basic Reads | Education | 501(c)(3) | 2008 | $0 | $0 | 2023-12 |
| Beacon Bash Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Bear Valley Church of God of Prophecy Inc | 501(c)(3) | 1969 | ||||
| Beautiful San Antonio Limited | Civil rights, social action and advocacy | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Bet Lev Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $26.2 million | 2024-12 | |
| Beyond A Bike | International, foreign affairs and national security | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Beyond Church | 501(c)(3) | 2002 | ||||
| Biscuits Buddies | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bourbon Ranch Society | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Brady Cheney Charity Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | |||
| CCPS Inc | Recreation and sports | 501(c)(7) | 2026 | |||
| CRFD Memorial Foundation | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| CV Lady Hoops Booster Club | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Calvary Chapel Castle Rock | Religion-related | 501(c)(3) | 2000 | |||
| Calvary Crossway | Religion-related | 501(c)(3) | 2010 | |||
| Camp Sycamore Genesis Fund | Religion-related | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Cancerclimber Association | Diseases, disorders and medical disciplines | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Canine Defender Network | Animal-related | 501(c)(3) | 2024 | |||
| Caring Keewee | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Carriers for the People | Human services | 501(c)(3) | 2025 | |||
| Carrio Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $38,541 | 2024-12 | |
| Castle Crocs | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-02 |
| Castle Oaks Evangelical Covenant Church-Castle Rock Co | 501(c)(3) | 1975 | ||||
| Castle Rock Artist Cooperative | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Castle Rock Arts and Culture Founda Tion | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Castle Rock Band | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Castle Rock Chorale | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2026-06 |
| Castle Rock Church of Christ | Religion-related | 501(c)(3) | 2026 | |||
| Castle Rock Clubhouse Co | Mental health and crisis intervention | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Castle Rock Colorado Genealogical Society | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Castle Rock Community Church | Religion-related | 501(c)(3) | 2016 | |||
| Castle Rock Elementary Pto | Education | 501(c)(3) | 2023 | $16,199 | 2018-06 | |
| Castle Rock Fire Department Pipes and Drums | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Castle Rock Greenway Foundation Inc | 501(c)(3) | 1984 | $0 | $0 | 2025-06 | |
| Castle Rock High Noon Rotaryfoundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $0 | $0 | 2024-06 |
| Castle Rock Historical Society | Arts, culture and humanities | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Castle Rock Ivybrook Parent Associa Tion | Education | 501(c)(3) | 2026 | |||
| Castle Rock Jiu Jitsu Foundation | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Castle Rock Police Explorers | 501(c)(3) | 2020 | $0 | $0 | 2024-12 | |
| Castle Rock Writers | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Castle Rock Youth Cycling Club Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Castle Rock the Connection Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Castle View High School Softball Alumni Booster Club | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Castle View Poms Booster Club | Education | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Castleview Baptist Church | Religion-related | 501(c)(3) | 2022 | |||
| Central Bible Church of Castle Rock | Religion-related | 501(c)(3) | 2025 | |||
| Cheryl McArthur Foundation | International, foreign affairs and national security | 501(c)(3) | 2013 | $3.6 million | 2024-12 | |
| Christ Episcopal Church Columbarium Association | 501(c)(13) | 1991 | $0 | $0 | 2025-12 | |
| Christ the King Evangelical Presbyterian Church | 501(c)(3) | 2015 | ||||
| Church of the Rock Inc | Religion-related | 501(c)(3) | 2006 | |||
| Citizen Awareness Project Inc | Civil rights, social action and advocacy | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Civitan International | 501(c)(4) | 2006 | $0 | $0 | 2025-09 | |
| Climateunified Org | Environment | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Co Wolverines Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cogia Inc | Housing and shelter | 501(c)(3) | 2025 | |||
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2023-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado 4-H Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| Colorado Association of Code Enforcement Officials | Public safety, disaster preparedness and relief | 501(c)(3) | 2011 | $0 | $1 | 2025-12 |
| Colorado Association of Electrologists | 501(c)(6) | 2014 | $0 | $0 | 2025-12 | |
| Colorado Association of Family Child Care | 501(c)(4) | $0 | $0 | 2026-06 | ||
| Colorado Association of Pretrial Services | Community improvement and capacity building | 501(c)(6) | 2015 | $0 | $0 | 2025-12 |
| Colorado Audio Society Inc | Recreation and sports | 501(c)(7) | 2012 | $0 | $0 | 2025-12 |
| Colorado Christian Business Alliance Co | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-04 |
| Colorado Co-Responder Alliance | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Colorado Decorative Artists | Recreation and sports | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| Colorado Food Connection | Food, agriculture and nutrition | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Colorado Health Initiative | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | |||
| Colorado Historic Cemetery Association | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Colorado Jazz Ambassadors | Arts, culture and humanities | 501(c)(3) | 2023 | $519 | 2024-12 | |
| Colorado Kids in Business | Education | 501(c)(3) | 2026 | |||
| Colorado Orthodontic Association | Community improvement and capacity building | 501(c)(6) | 2002 | $0 | $0 | 2025-12 |
| Colorado Outreach Exchange | Public and societal benefit | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Colorado Springs Chapter Gospel Music Workshop of America Incorpor | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2026-07 |
| Colorado Veterans Chamber of Commerce | Public and societal benefit | 501(c)(6) | 2025 | |||
| Colorado Wants You | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Colorado Water Quality Association | Community improvement and capacity building | 501(c)(6) | 2016 | $0 | $0 | 2025-12 |
| Colorado Youth Education in Shooting Sports | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Colored in Christ | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Community Christian Church | 501(c)(3) | 1990 | ||||
| Community Church of Christ | Religion-related | 501(c)(3) | 1998 | |||
| Community Media Arts & Entertainment Group | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Community Safety Volunteer Association of Douglas County | 501(c)(3) | 2009 | $0 | $0 | 2025-09 | |
| Complete Nonprofit Outsource Corp | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Cornerstone Community Church | Religion-related | 501(c)(3) | 2007 | |||
| Cornerstone Presbyterian Church | 501(c)(3) | 1974 | ||||
| Correcting Your Crown Inc | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Courageous Warrior Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $1 | 2025-12 | |
| Creative Treasures Early Learning Foundation Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| DC Boys Lacrosse Boosters | Recreation and sports | 501(c)(3) | 2016 | $11,662 | 2023-12 | |
| DTG Tagged Out | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Dancing Duma Youth Education Fund | Education | 501(c)(3) | 2025 | |||
| Dartmouth Rowing Club | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Denver Chorale | Arts, culture and humanities | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Denver Colorado Executive Association | Community improvement and capacity building | 501(c)(6) | 2012 | $0 | $0 | 2024-12 |
| Denver Novel Writing Month | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Der Schlafenguten Inc | Science and technology | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Digital Futures Initiative | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Dinosaurs Dragons and Rocks | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Diving With Cactus Jack | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Do Only Good Foundation | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Douglas County Pride | Civil rights, social action and advocacy | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Dream Maker | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-04 |
| Eam Drivers for America | Employment | 501(c)(3) | 2025 | |||
| Eclipse Center for Excellence Inc | Education | 501(c)(3) | 2015 | |||
| Emergency Services Ministries | Human services | 501(c)(3) | 2026 | |||
| Emmaus Anglican Church Castle Rock Colorado | Religion-related | 501(c)(3) | 2015 | |||
| Empower Taekwondo Foundation | Education | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Empowering Women As Leaders Denver | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Epiphany Lutheran Church | 501(c)(3) | 1941 | ||||
| FR Lets Talk | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Faith Bible Chapel | 501(c)(3) | 1992 | ||||
| Faith Lutheran Church | 501(c)(3) | 2001 | ||||
| Faith Unlimited Ministries | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| Faiths Footsies Inc | Health care | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Family Church Ministries | Religion-related | 501(c)(3) | 2020 | |||
| Finn S Army | Mental health and crisis intervention | 501(c)(3) | 2024 | |||
| First Baptist Church of Castle Rock | Religion-related | 501(c)(3) | 2010 | |||
| Foster Kitten Mama Rescue Inc | Animal-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2025-05 | |
| Friends of Colorado Usar | Public safety, disaster preparedness and relief | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Front Range Christian Church | Religion-related | 501(c)(3) | 2014 | |||
| Front Range Food Pantry | Food, agriculture and nutrition | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Front Range Youth Empowerment | Education | 501(c)(3) | 2025 | |||
| Frontline Love | Human services | 501(c)(3) | 2026 | |||
| Future of School Inc | 501(c)(3) | 2016 | $9,874 | 2024-06 | ||
| Gary Plumery Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2019 | $18,407 | 2024-12 | |
| Gathering at Colorado | Religion-related | 501(c)(3) | 2015 | |||
| Gene and Maxine Rosenfeld Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $2.2 million | 2024-12 | |
| Generous Living Global | Religion-related | 501(c)(3) | 2025 | |||
| Genesis One Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $2.9 million | 2025-12 | |
| Gillman and Lavon Hill Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $762,113 | 2025-12 | |
| Give4life | International, foreign affairs and national security | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Go Mekong | Religion-related | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Goalie Guild Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Good News Family Church Inc | Religion-related | 501(c)(3) | 2002 | |||
| Good Works LTD | Education | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Gordon Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $88,835 | 2024-12 | |
| Grace Chapel Castle Rock | Religion-related | 501(c)(3) | 2002 | |||
| Grace Community Christian Church of Castle Rock | Religion-related | 501(c)(3) | 1996 | |||
| Grizzlies Baseball | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Halal Food Initiative | Food, agriculture and nutrition | 501(c)(3) | 2025 | |||
| Halo Motorsports | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Hamata Cares Inc | Health care | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Hanks Homies Inc | Health care | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Hats That Heal Inc | Public and societal benefit | 501(c)(3) | 2018 | $12,719 | 2025-12 | |
| Healing Harmen | Diseases, disorders and medical disciplines | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Heavy Athletics | 501(c)(3) | 2024 | $0 | $0 | 2025-12 | |
| Heritage Evangelical Free Church | 501(c)(3) | 1965 | ||||
| Heritage Mark Foundation | 501(c)(3) | 1969 | $15.6 million | 2025-12 | ||
| Heroes Hall Foundation | Public and societal benefit | 501(c)(3) | 2025 | |||
| Highlands Church | Religion-related | 501(c)(3) | 2021 | |||
| His Majestys Sanctuary | Religion-related | 501(c)(3) | 2018 | |||
| His Word International Ministries Inc | Religion-related | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Husky Spirit Booster Club | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-05 |
| Iglesia Apostolica Tierra Fertil | 501(c)(3) | 1969 | ||||
| Iglesia Cristiana Interdenominacional Cristo Roca de | Religion-related | 501(c)(3) | 2014 | |||
| Ignite Ministry Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Immanuel Mission Church | Religion-related | 501(c)(3) | 1995 | |||
| Inspire Creative Inc | Arts, culture and humanities | 501(c)(3) | 2008 | $0 | $0 | 2023-12 |
| Islamic Center of Castle Rock | Religion-related | 501(c)(3) | 2024 | |||
| Jeong Hye Sa Buddhist Temple | 501(c)(3) | 1986 | ||||
| Jessies Heart Foundation | Education | 501(c)(3) | 2008 | $0 | $0 | 2026-06 |
| Jesus Schools | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Journey Church Colorado | 501(c)(3) | 1958 | ||||
| Journey Into Creation Inc | Human services | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| K Project Freedom | 501(c)(3) | 2022 | $0 | $0 | 2025-12 | |
| Kainos Global | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Katama Shores Foundation | International, foreign affairs and national security | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Kiwanis Club of Castle Rockcommunity Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Kiwanis International Inc | 501(c)(4) | 1940 | $0 | $0 | 2025-09 | |
| Labarbera Family Foundation | Human services | 501(c)(3) | 2024 | $49,044 | 2024-12 | |
| Lady Trailblazer Inc | Public and societal benefit | 501(c)(3) | 2018 | $0 | $0 | 2025-09 |
| Lady Trailblazer Lead Her Ship Acad Emy | Education | 501(c)(3) | 2025 | |||
| Legacy Hills Church | Religion-related | 501(c)(3) | 2023 | |||
| Liberators Alliance | Civil rights, social action and advocacy | 501(c)(3) | 2026 | $0 | $0 | 2021-12 |
| Lillis Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $5.2 million | 2024-12 | |
| Littleton Lemons Rugby Club | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Live Free Association | Mental health and crisis intervention | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Live Lite Outreach | Mental health and crisis intervention | 501(c)(3) | 2024 | |||
| Livin Ignited NFP | Religion-related | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Lucille R Brown Foundation Inc | 501(c)(3) | 1950 | $436,997 | 2025-12 | ||
| Maasai Development Incorporated | Health care | 501(c)(3) | 2020 | $1 | 2025-12 | |
| Maddox Apollo de Castro Chancey Foundation | Medical research | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Marin Elizabeth Lacson Memorial Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2026-04 |
| Marine Corps League | 501(c)(4) | 1946 | $0 | $0 | 2025-06 | |
| Marsh Youth Sports LTD | Recreation and sports | 501(c)(3) | 2025 | $1,660 | 2024-12 | |
| Mask Americas Kids | Public safety, disaster preparedness and relief | 501(c)(3) | 2020 | $0 | $5,578 | 2024-12 |
| Mason M Roberts Foundation | 501(c)(3) | 1951 | $204,187 | 2025-12 | ||
| Max W Donahue VFW Post 12230 | Public and societal benefit | 501(c)(19) | 2025 | $0 | $0 | 2025-12 |
| Meadow View Elementary Pto | Education | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Meadows Church Inc | Religion-related | 501(c)(3) | 2021 | |||
| Melvin & Elaine Wolf Foundation Inc | 501(c)(3) | 1979 | $7.9 million | 2025-06 | ||
| Men On Point | Human services | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Missiontel Inc | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Moms Club | Human services | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| Mount Zion Lutheran Church | 501(c)(3) | 1941 | ||||
| Mountain Movers Foundation | International, foreign affairs and national security | 501(c)(3) | 2026 | |||
| Mundi Primum Foundation Inc | Environment | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Naos House of Prayer | Religion-related | 501(c)(3) | 2019 | |||
| National Ambucs Inc | 501(c)(3) | 1996 | $0 | $0 | 2025-05 | |
| National Coalition Against Violent Athletes | Civil rights, social action and advocacy | 501(c)(3) | 1998 | $0 | $0 | 2024-11 |
| New Life in Christ Foundation | 501(c)(3) | 1975 | $0 | $0 | 2025-12 | |
| New Paradigm Counseling Education Foundation | Mental health and crisis intervention | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Niren Christian Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $365,305 | 2023-12 | |
| Noahs Ark Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $1.3 million | 2024-12 | |
| Nova Spark Foundation | Civil rights, social action and advocacy | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Operation Relief Corporation | Public and societal benefit | 501(c)(3) | 2025 | |||
| Optimist Junior Golf | Recreation and sports | 501(c)(3) | 2026 | |||
| Origins Accessories Inc | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Outpost Co | Religion-related | 501(c)(3) | 2023 | |||
| Outpost Ministries | Religion-related | 501(c)(3) | 2026 | |||
| Overcoming the Odds Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $1.4 million | 2025-12 | |
| Owed and Honored Foundation | Public and societal benefit | 501(c)(3) | 2026 | |||
| Palmer Divide Victory Riders | Recreation and sports | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
| Parkhouse Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $418,223 | 2024-12 | |
| Paul S Mystery Ship To End Als | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Peaceful Warrior Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Perfect Mess | Human services | 501(c)(3) | 2025 | |||
| Pink Lightning Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Plum Creek Community Church | 501(c)(3) | 1964 | 2012-12 | |||
| Praisewell Ministries | Religion-related | 501(c)(3) | 2026 | |||
| Predator Proof Kids | Crime and legal-related | 501(c)(3) | 2025 | |||
| Project Distributing Dignity | Health care | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Projected | Education | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Provisions Group | Religion-related | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Psychedelic Standards Organization | Mutual and membership benefit | 501(c)(3) | 2022 | $572 | 2023-12 | |
| Pull Your Heart Out | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Queen of the Apostles Mission Association Inc | Human services | 501(c)(3) | 1946 | $0 | $0 | 2026-03 |
| Rally Cry | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Rampart Range Motorcycle Management Committee | 501(c)(3) | 1993 | $262,746 | 2024-12 | ||
| Rampart Reformed Church | Religion-related | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Renew Respite | Human services | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Replenish Ministries | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Respet Colorado | Animal-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Revitalizing Veterans Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Richard R Reed Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $10.5 million | 2025-12 | |
| Rimmels Ranch for Those Who Serve | Mutual and membership benefit | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Rivers Church | Religion-related | 501(c)(3) | 2025 | |||
| Riverside Tournament Association | 501(c)(3) | 1993 | $0 | $0 | 2024-12 | |
| Rocky Mountain Antiquarian Booksellers Association | Community improvement and capacity building | 501(c)(6) | 2021 | $0 | $0 | 2024-12 |
| Rocky Mountain Bible Church Mission Inc | 501(c)(3) | 1986 | ||||
| Rocky Mountain Clay Busters Foundat Ion | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rocky Mountain Tractor Pullersassociation Inc | Recreation and sports | 501(c)(7) | 2010 | $0 | $0 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2025-06 | |
| Ryan Pappas Memorial Foundation | Mental health and crisis intervention | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Scaly Solutions Rescue Inc | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Science Research Istitute | 501(c)(3) | 1981 | $0 | $0 | 2025-06 | |
| Sfa Inc | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Shine Church | Religion-related | 501(c)(3) | 2019 | |||
| Sky Cliff Stroke Center | 501(c)(3) | 1985 | $810,880 | 2024-12 | ||
| Sleep Well Corp | Human services | 501(c)(3) | 2022 | $233 | 2024-12 | |
| Soaring Sons and Daughters | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| Sociedad Hidalgo Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-12 | |
| Son Bride Ranch | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Sound Synthesis Club Inc | Arts, culture and humanities | 501(c)(3) | 2024 | |||
| South Denver Islamic Center | Religion-related | 501(c)(3) | 2008 | |||
| Spiritual Assembly of the Bahais of Castle Rock | 501(c)(3) | |||||
| St Francis of Assisi Ladies Auxiliary | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Stand for Faith | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Star Recruits Booster Club | Recreation and sports | 501(c)(3) | 2025 | |||
| Stonehouse Foundation | Food, agriculture and nutrition | 501(c)(3) | 2012 | $0 | $0 | 2023-12 |
| Summit Church of Castle Rock | Religion-related | 501(c)(3) | 2008 | |||
| Swift Wings Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $1.5 million | 2025-12 | |
| Swimsafe Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| The Childrens Toy Box | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | |||
| The Church of Pentecost | 501(c)(3) | 1987 | ||||
| The Schumann Family Foundation | 501(c)(3) | 2020 | $11,620 | 2024-12 | ||
| Think Above Charities Inc | Religion-related | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Tricia Green Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 | |
| Trustees of Dartmouth College | Education | 501(c)(3) | 1997 | $0 | $0 | 2025-06 |
| Turnpointe Inc | Crime and legal-related | 501(c)(3) | 2026 | |||
| Ukrainians in Denver | International, foreign affairs and national security | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| United Front Against Child Trafficking | Civil rights, social action and advocacy | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| United Global Public | Environment | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Us Mayday | Human services | 501(c)(3) | 2022 | $1 | 2025-12 | |
| Veterans Caring for Veterans | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2022-12 |
| Victory Church Castle Rock | Religion-related | 501(c)(3) | 2026 | |||
| Vietnam Veterans of America Inc | 501(c)(19) | 1984 | $0 | $0 | 2026-02 | |
| Village Castle Pines Garden Club | Environment | 501(c)(3) | 2020 | $0 | $0 | 2025-05 |
| Vitabridge | Food, agriculture and nutrition | 501(c)(3) | 2024 | |||
| Volleycr | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Warriors Chariot Inc | Public and societal benefit | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Well of Hope Elca | 501(c)(3) | 1998 | ||||
| Werner Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $1.5 million | 2025-12 | |
| Wesothey | Human services | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| West Plum Creek Alliance Inc | Community improvement and capacity building | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Western Dressage Association of Colorado | 501(c)(3) | 2015 | $0 | $0 | 2025-12 | |
| Western Heritage Day Inc | Education | 501(c)(3) | 2013 | $0 | $0 | 2026-01 |
| Wings of the Morning Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $69,382 | 2025-12 | |
| Wise Women Network Inc | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| With A Childs Heart Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1.6 million | 2025-12 | |
| Women Veterans of Colorado | Employment | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Wonder | Religion-related | 501(c)(3) | 2021 | $0 | $0 | 2023-07 |
| Wood Foundation | Human services | 501(c)(3) | 2017 | $43,009 | 2025-12 | |
| Woven Womens Ministry | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| You Discover Truth | Religion-related | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
By cause in Castle Rock, CO
- Religion-related 69
- Education 42
- Human services 40
- Recreation and sports 34
- Philanthropy, voluntarism and grantmaking foundations 30
- Arts, culture and humanities 22
- Public and societal benefit 18
- Community improvement and capacity building 14
- Mental health and crisis intervention 14
- Youth development 11
- Diseases, disorders and medical disciplines 10
- Health care 10
- Animal-related 9
- Civil rights, social action and advocacy 8
- Public safety, disaster preparedness and relief 8
- International, foreign affairs and national security 7
- Food, agriculture and nutrition 6
- Environment 6
- Medical research 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.