Nonprofits in Castle Rock, Washington

Nonprofits in Castle Rock, Washington. Browse 55 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

  1. American Legion

    EIN 916075466 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Legion Auxiliary

    EIN 881822713 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. American Legion Auxiliary

    EIN 916058191 · Headquarters: Castle Rock, WA, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  4. Animate

    EIN 921430437 · Headquarters: Castle Rock, WA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Braided Manes Equine Rescue

    EIN 882132355 · Headquarters: Castle Rock, WA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Castle Rock Alumni Wrestling Foundation

    EIN 943192761 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Castle Rock Care Coalition

    EIN 205078316 · Headquarters: CASTLE ROCK, WA, US · Crime & Legal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  8. Castle Rock Chamber of Commerce

    EIN 911223285 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  9. Castle Rock Community Developement Aliance

    EIN 461441025 · Headquarters: CASTLE ROCK, WA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Castle Rock Fair

    EIN 916054565 · Headquarters: CASTLE ROCK, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Castle Rock Police Reserves Association

    EIN 562463980 · Headquarters: Castle Rock, WA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Castle Rock Pre-school Parent-teacher Organization

    EIN 237448479 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Castle Rock Quarter Midget Club

    EIN 931506180 · Headquarters: Castle Rock, WA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Castle Rock Senior Citizens Inc

    EIN 911145648 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Castle Rock Toutle Lake Little League

    EIN 911154671 · Headquarters: CASTLE ROCK, WA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Castlerock Temple Corporation

    EIN 464692332 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Church of Divine Encounter

    EIN 873292913 · Headquarters: Castle Rock, WA, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Cloud Mountain Retreat Center

    EIN 911859995 · Headquarters: Castle Rock, WA, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Cowlitz County 4-H and Ffa

    EIN 821953189 · Headquarters: CASTLE ROCK, WA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Cowlitz Elite Fastpitch

    EIN 884294701 · Headquarters: Castle Rock, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Exotic Critter Country Reptile Rescue

    EIN 800913448 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Fraternal Order of Eagles

    EIN 237163746 · Headquarters: Castle Rock, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Fraternal Order of Eagles

    EIN 237593439 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Fraternal Order of Eagles

    EIN 916065040 · Headquarters: Castle Rock, WA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  25. Fraternal Order of Eagles 556 Aerie

    EIN 237147197 · Headquarters: Castle Rock, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Free & Accepted Masons of Washington

    EIN 237582382 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Friends of the Castle Rock Fair

    EIN 264678678 · Headquarters: Castle Rock, WA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Friends of the Castle Rock Library

    EIN 911207376 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Future Farmers of America State Associations & Local Chapter

    EIN 463837406 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Guardian Ranch

    EIN 871185256 · Headquarters: Castle Rock, WA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Heart of Releasing Inc

    EIN 472996158 · Headquarters: Castle Rock, WA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Hevin

    EIN 824923572 · Headquarters: CASTLE ROCK, WA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Independent Music Store Owners Np Pc

    EIN 334425218 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. International Association of Lions Clubs

    EIN 916054280 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Kelso Wrestling Booster Club

    EIN 334012836 · Headquarters: Castle Rock, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Marine Corps League

    EIN 731655752 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Marine Corps League

    EIN 911650015 · Headquarters: Castle Rock, WA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Mima Marauders Club

    EIN 931412356 · Headquarters: Castle Rock, WA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Mount St Helens Creation Center

    EIN 911942571 · Headquarters: Castle Rock, WA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Mt St Helens Motorcycle Club

    EIN 863308281 · Headquarters: Castle Rock, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  41. Nami Cowlitz County

    EIN 911483479 · Headquarters: Castle Rock, WA, US · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. National Association of Letter Carriers Washington State

    EIN 916055363 · Headquarters: CASTLE ROCK, WA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. National Society of the Daughters of the American Revolution

    EIN 916054241 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. North County Recreation Association

    EIN 870704976 · Headquarters: castle rock, WA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. Pacific Northwest 4Wheel Drive Ass

    EIN 237262433 · Headquarters: Castle Rock, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Pacific Northwest Fiber Connect

    EIN 334819956 · Headquarters: Castle Rock, WA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Pacific Northwest Husky Rescue

    EIN 862542889 · Headquarters: CASTLE ROCK, WA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Parent-teachers Organization of Castle Rock

    EIN 911571311 · Headquarters: CASTLE ROCK, WA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. Red Hawk Drive Road Maintenance Association

    EIN 992680579 · Headquarters: Castle Rock, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Sandwood Heights Water District

    EIN 910969846 · Headquarters: CASTLE ROCK, WA, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  51. Ski & Ride for a Cure

    EIN 453908130 · Headquarters: CASTLE ROCK, WA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Tents for Troops

    EIN 454663823 · Headquarters: Castle Rock, WA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. Thunder Mountain Wrestling Club

    EIN 333530425 · Headquarters: Castle Rock, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Veterans Motorcycle Outreach

    EIN 834418384 · Headquarters: castle rock, WA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Washington Illusion

    EIN 800641430 · Headquarters: CASTLE ROCK, WA, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ