Nonprofits in Middletown, California

Nonprofits in Middletown, California. Browse 60 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. All Aboard Animal Search and Rescue

    EIN 262713627 · Headquarters: MIDDLETOWN, CA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Anderson Springs Community Alliance

    EIN 061661314 · Headquarters: Middletown, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Bear Ridge Employees Assoc

    EIN 203881440 · Headquarters: MIDDLETOWN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Bill Jordan Project

    EIN 825043731 · Headquarters: Middletown, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. California Teachers Association

    EIN 680258111 · Headquarters: middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Cats of Sunday Street Inc

    EIN 883040528 · Headquarters: Middletown, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Clair Sentian Foundation Inc

    EIN 454558030 · Headquarters: Middletown, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Clearlake Youth Soccer League

    EIN 942806684 · Headquarters: Middletown, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Coyote Vly Elem Pto

    EIN 770410996 · Headquarters: Middletown, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Ecoarts of Lake County Dba - Middletown Art Center

    EIN 202027708 · Headquarters: MIDDLETOWN, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Four Springs Seminars

    EIN 770433589 · Headquarters: Middletown, CA, United States · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Friends of Middletown Library

    EIN 680454607 · Headquarters: Middletown, CA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  13. Friends of the I Am

    EIN 680117862 · Headquarters: middletown, CA, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  14. Good Work First Inc

    EIN 394614165 · Headquarters: Middletown, CA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Hammers for Hope

    EIN 460948170 · Headquarters: MIDDLETOWN, CA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Heart Consciousness Church Inc

    EIN 237422390 · Headquarters: Middletown, CA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Hidden Valley Rescue Inc

    EIN 830877700 · Headquarters: MIDDLETOWN, CA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Holy Lands Preservation Trust

    EIN 943034665 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Home Again

    EIN 873163918 · Headquarters: MIDDLETOWN, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Howl Science Program Inc

    EIN 753102360 · Headquarters: Middletown, CA, US · Social Science · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  21. Independent Order of Odd Fellows

    EIN 946119469 · Headquarters: MIDDLETOWN, CA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  22. International Association of Lions Clubs

    EIN 510152602 · Headquarters: Middletown, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Lake County Community Foundation Inc

    EIN 932824487 · Headquarters: MIDDLETOWN, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Lake County International Charter School

    EIN 010780934 · Headquarters: MIDDLETOWN, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Middletown Art Center

    EIN 473051222 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. Middletown Bocce Ball League

    EIN 832900223 · Headquarters: Middletown, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Middletown Booster Club

    EIN 942630066 · Headquarters: MIDDLETOWN, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Middletown Central Park Association

    EIN 352291990 · Headquarters: Middletown, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Middletown Cobb Little League

    EIN 680057039 · Headquarters: Middletown, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Middletown Cobb Merchants Association

    EIN 640006914 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Middletown Cobb Youth Basketball League

    EIN 680343989 · Headquarters: Middletown, CA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Middletown Composite Mtb Inc

    EIN 612212915 · Headquarters: Middletown, CA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Middletown High School Sober Graduation

    EIN 611818734 · Headquarters: Middletown, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Middletown Luncheon Club

    EIN 680008328 · Headquarters: Middletown, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Middletown Middle School Parent Teacher Student Organization

    EIN 020716767 · Headquarters: MIDDLETOWN, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Middletown Rodeo Association

    EIN 870775153 · Headquarters: Middletown, CA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. Middletown Senior Center Inc

    EIN 942832316 · Headquarters: MIDDLETOWN, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Middletown Unified Ag Boosters

    EIN 824852587 · Headquarters: middletown, CA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Middletown Wrestling Club

    EIN 680016114 · Headquarters: Middletown, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Middletown Youth Football Inc

    EIN 680038066 · Headquarters: middletown, CA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  41. Middletown-cobb Girls Softball

    EIN 510559134 · Headquarters: Middletown, CA, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  42. Minnie Cannon Booster Club

    EIN 134292168 · Headquarters: Middletown, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Day of Repentance

    EIN 454703923 · Headquarters: Middletown, CA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. North Coast Mutual Agricultural Water Company

    EIN 371585330 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  45. Owen Ranch

    EIN 010941268 · Headquarters: MIDDLETOWN, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Rhize Health

    EIN 934040086 · Headquarters: Middletown, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Road Runners Club of America

    EIN 431996596 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Rotary International

    EIN 363980990 · Headquarters: MIDDLETOWN, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Sacred Support Services

    EIN 384149306 · Headquarters: Middletown, CA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Seigler Springs Community Redevelopment Association

    EIN 475678900 · Headquarters: MIDDLETOWN, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Solutions for Today

    EIN 680092518 · Headquarters: Middletown, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. South Lake County Fi

    EIN 680461155 · Headquarters: Middletown, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. South Lake County Historical Association

    EIN 812595327 · Headquarters: Middletown, CA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. South Lake Fire Safe Council

    EIN 680481417 · Headquarters: MIDDLETOWN, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Support for Heart Consciousness Church

    EIN 812712242 · Headquarters: Middletown, CA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. The Wild Neighbors Database Project

    EIN 463151740 · Headquarters: Middletown, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Trained Up

    EIN 993177620 · Headquarters: MIDDLETOWN, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Upper Putah Creek Stewardship

    EIN 680446876 · Headquarters: MIDDLETOWN, CA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  59. Valor to Wellness Foundation

    EIN 392253962 · Headquarters: Middletown, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Worldwide Aquatic Bodywork Association

    EIN 680330759 · Headquarters: MIDDLETOWN, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N