Data / Nonprofits / California / Middletown
Nonprofits in Middletown, CA: 59 registered with the IRS
59 nonprofits are registered with the IRS in Middletown, CA, 53 of them 501(c)(3) charities; the 21 that report revenue took in $12 million. The largest by revenue: Heart Consciousness Church Inc ($7.7 million), Lake County International Charter School ($1.3 million), Home Again ($812,817). Most common causes: education (8), recreation and sports (6), religion-related (6).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Heart Consciousness Church Inc | Religion-related | 501(c)(3) | 1975 | $7.7 million | $49.7 million | 2024-12 |
| Lake County International Charter School | Education | 501(c)(3) | 2005 | $1.3 million | $2 million | 2025-06 |
| Home Again | Housing and shelter | 501(c)(3) | 2022 | $812,817 | $653,706 | 2024-12 |
| Middletown Senior Citizens Inc | Human services | 501(c)(3) | 1983 | $491,474 | $215,958 | 2025-06 |
| Ecoarts of Lake County | Arts, culture and humanities | 501(c)(3) | 2005 | $435,329 | $62,362 | 2024-12 |
| Four Springs Seminars | Religion-related | 501(c)(3) | 2023 | $275,119 | $1.2 million | 2024-12 |
| Lake County Community Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $121,993 | $69,490 | 2024-12 |
| Clearlake Youth Soccer League | Recreation and sports | 501(c)(3) | 2015 | $111,490 | $1 | 2024-12 |
| Coyote Valley Parent Teacher Organization | Education | 501(c)(3) | 2014 | $103,576 | $240,769 | 2025-06 |
| Middletown Sports Boosters Club | Education | 501(c)(3) | 2014 | $91,756 | $99,559 | 2025-06 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $90,834 | $1 | 2025-09 | |
| South Lake County Firefighters Association Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $82,252 | $1 | 2025-12 |
| Trained Up | Recreation and sports | 501(c)(3) | 2024 | $78,483 | $15,374 | 2025-12 |
| Middletown Lions Club | Community improvement and capacity building | 501(c)(4) | 2023 | $51,725 | $148,612 | 2025-06 |
| Middletown Central Park Association | Community improvement and capacity building | 501(c)(4) | 2016 | $48,425 | $26,371 | 2025-12 |
| Seigler Springs Community Redevelopment Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2016 | $34,667 | $59,505 | 2025-12 |
| Cats of Sunday Street Inc | Animal-related | 501(c)(3) | 2024 | $31,832 | $12 | 2025-06 |
| Pacific Boychoir Academy | Arts, culture and humanities | 501(c)(3) | 2000 | $26,608 | $505,774 | 2026-07 |
| Middletown Cobb Youth Basketball League | Recreation and sports | 501(c)(3) | 2024 | $19,962 | $6,635 | 2025-10 |
| Middletown Luncheon Club | 501(c)(4) | 1992 | $18,442 | $314,018 | 2025-06 | |
| Clair Sentian Foundation Inc | Human services | 501(c)(3) | 2014 | $393 | $197,454 | 2024-12 |
| All Aboard Animal Search and Rescue | Animal-related | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Anderson Springs Community Alliance | Environment | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Bear Ridge Employees Assoc | Mutual and membership benefit | 501(c)(4) | 2006 | $0 | $0 | 2023-12 |
| Bill Jordan Project | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| California Teachers Association | 501(c)(5) | 1976 | $0 | $0 | 2025-08 | |
| Divine Avataric Holy Institution of Global Adidam Ruchiradam Southwest | 501(c)(3) | 1987 | ||||
| General Council of the Assemblies of God | 501(c)(3) | 1964 | ||||
| Good Work First Inc | Human services | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Hammers for Hope | Housing and shelter | 501(c)(3) | 2012 | $0 | $1.3 million | 2025-12 |
| Hidden Valley Community Church | 501(c)(3) | 1964 | ||||
| Hidden Valley Rescue Inc | Animal-related | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Holy Lands Preservation Trust | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Jesus Christ Fellowship | Religion-related | 501(c)(3) | 2001 | |||
| Middletown Adventist School | 501(c)(3) | 1947 | ||||
| Middletown Bible Church | 501(c)(3) | 1964 | ||||
| Middletown Bocce Ball League | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Middletown Cobb Merchants Association | 501(c)(6) | 1987 | $0 | $0 | 2025-09 | |
| Middletown Composite MTB Inc | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Middletown High School Sober Graduation | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Middletown Middle School Parent Teacher Student Organization | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Middletown Rodeo Association | Animal-related | 501(c)(3) | 2022 | $19,260 | 2024-12 | |
| Middletown Unified Ag Boosters | Education | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Middletown Wrestling Club | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Ministerois Rios de Agua Viva Lake County Inc | Religion-related | 501(c)(3) | 2018 | |||
| Minnie Cannon Booster Club | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| National Day of Repentance | Religion-related | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| New Age Church of Being | 501(c)(3) | 1987 | ||||
| Owen Ranch | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-03 |
| Rhize Health | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-09 |
| Sacred Support Services | Public and societal benefit | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Solutions for Today | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Southlake Fire Safe Council | Public safety, disaster preparedness and relief | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Support for Heart Consciousness Church | Religion-related | 501(c)(3) | 2016 | $0 | $1 | 2025-12 |
| The Divine Avataric Holy Domains of Adidam Ruchiradam | 501(c)(3) | 1972 | ||||
| Upper Putah Creek Stewardship | Environment | 501(c)(3) | 2001 | |||
| Valor To Wellness Foundation | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Whiskers Without Walls | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Worldwide Aquatic Bodywork Association | Education | 501(c)(3) | 1996 |
By cause in Middletown, CA
- Education 8
- Recreation and sports 6
- Religion-related 6
- Animal-related 5
- Human services 4
- Community improvement and capacity building 3
- Public safety, disaster preparedness and relief 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.