Data / Nonprofits / Arizona / Mount Lemmon
Nonprofits in Mount Lemmon, AZ: 6 registered with the IRS
6 nonprofits are registered with the IRS in Mount Lemmon, AZ, 6 of them 501(c)(3) charities.
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Friends of Mount Lemmon Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Harmon Grossman Charity for Learning and Empowerment | 501(c)(3) | 2016 | $0 | $0 | 2026-02 | |
| Mary Undoer of Knots Byzantine Catholic Shrine | Religion-related | 501(c)(3) | 2021 | |||
| Mount Lemmon Business Economic Association | Community improvement and capacity building | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Mount Lemmon Radio Club | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2026-02 |
| Mt Lemmon Fire Fighter Foundation | Public safety, disaster preparedness and relief | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
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.