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Data / Nonprofits / Washington / Castle Rock

Nonprofits in Castle Rock, WA: 52 registered with the IRS

52 nonprofits are registered with the IRS in Castle Rock, WA, 39 of them 501(c)(3) charities; the 12 that report revenue took in $2.9 million. The largest by revenue: Friends of Cloud Mountain ($1.1 million), Cowlitz County 4-H & Ffa Livestock Association ($329,865), Fraternal Order of Eagles ($299,820). Most common causes: recreation and sports (7), religion-related (6), youth development (4).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Friends of Cloud MountainReligion-related501(c)(3)1998$1.1 million$2.5 million2024-12
Cowlitz County 4-H & Ffa Livestock AssociationYouth development501(c)(3)2024$329,865$29,1992025-12
Fraternal Order of Eagles501(c)(8)1991$299,820$231,7532025-05
North County Recreation AssociationRecreation and sports501(c)(3)2006$252,625$398,6182025-09
Pacific N W 4 Wheel Drive Assoc501(c)(4)1985$225,367$289,7662025-12
National Association of Letter CarriersMutual and membership benefit501(c)(5)2025$184,519$244,5172025-06
Fraternal Order of Eagles501(c)(8)1991$136,550$426,1292025-05
Castle Rock Community Development AllianceCommunity improvement and capacity building501(c)(3)2014$92,136$65,5762025-12
Castle Rock Fair501(c)(5)1956$86,372$416,3172025-12
Mount St Helens Creation Information CenterArts, culture and humanities501(c)(3)2000$80,090$93,4622024-12
HevinPublic and societal benefit501(c)(3)2018$77,251$101,4052025-12
Mima Marauders ClubRecreation and sports501(c)(3)2024$3,849$1,5022025-12
American Legion501(c)(19)1946$0$02025-12
American Legion Auxiliary501(c)(19)1946$0$02025-09
AnimateReligion-related501(c)(3)2023$0$02025-12
Apostolic Lutheran Church of America501(c)(3)1989
Braided Manes Equine RescueAnimal-related501(c)(3)2023$0$02024-12
Castle Rock Alumni Wrestling Foundation501(c)(3)1994$0$02025-06
Castle Rock Christian Church501(c)(3)2002
Castle Rock Church of the Nazarene501(c)(3)1963
Castle Rock Family Life CenterReligion-related501(c)(3)2006
Castle Rock Police Reserves AssociationPublic safety, disaster preparedness and relief501(c)(3)2005$0$02025-12
Castle Rock Pre-School Parent-Teacher Organization501(c)(3)1975$0$02025-06
Castle Rock Quarter Midget ClubYouth development501(c)(3)2024$0$02025-12
Castle Rock Senior Citizens Inc501(c)(3)1982$0$02025-12
Castle Rock Youth Football LeagueRecreation and sports501(c)(3)2026
Cowlitz Elite FastpitchRecreation and sports501(c)(3)2023$12025-12
First Baptist Church of Castle Rock501(c)(3)1964
Fraternal Order of Eagles501(c)(8)1991$0$02025-05
Free & Accepted Masons of Washington501(c)(10)1972$0$02025-12
Friends of the Castle Rock FairYouth development501(c)(3)2011$0$02025-12
Friends of the Castle Rock Library501(c)(3)1983$0$02025-12
Full Gospel Church of Castle RockReligion-related501(c)(3)2000
Future Farmers of America State Associations & Local Chapter501(c)(3)1945$0$02025-08
Guardian RanchPublic and societal benefit501(c)(3)2022$0$02024-12
Heart of Releasing IncEducation501(c)(3)2015$0$02025-12
International Association of Lions Clubs501(c)(4)1940$0$02025-06
Kelso Wrestling Booster ClubRecreation and sports501(c)(3)2025$0$02025-12
Marine Corps League501(c)(4)1946$0$02025-06
Marine Corps LeaguePublic and societal benefit501(c)(4)1946$0$02025-12
My Fathers House of PrayerReligion-related501(c)(3)2006
National Society of the Daughters of the American Revolution501(c)(3)1949$0$02025-12
Pacific Northwest Fiber ConnectMutual and membership benefit501(c)(6)2025$0$02025-12
Pacific Northwest Husky RescueAnimal-related501(c)(3)2021$0$02023-12
Parent-Teachers Organization of Castle RockEducation501(c)(3)1993$0$02026-07
Revelation Life ChurchReligion-related501(c)(3)2024
Ski & Ride for A CureDiseases, disorders and medical disciplines501(c)(3)2012$0$02023-12
St Mary501(c)(3)1946
Standout SgoEducation501(c)(3)2026
Thunder Mountain Wrestling ClubRecreation and sports501(c)(3)2025$0$02025-12
Toutle Lake Youth CheerYouth development501(c)(3)2026
Veterans Motorcycle OutreachRecreation and sports501(c)(3)2022$0$02025-12

By cause in Castle Rock, WA

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.