Glenbrook Underground Inc
Funding Overview
From IRS Form 990 filings · 2022–2025
Total received
$3.3M
Foundation funders
17
Grants recorded
25
Years covered
2022–2025
Who funds Glenbrook Underground Inc?
Glenbrook Underground Inc is funded by 17 grantmakers, led by Tahoe Community Foundation ($650K), Vanguard Charitable Endowment Program ($614K), National Philanthropic Trust ($575K). In total, IRS Form 990 filings record $3.3M in grants to Glenbrook Underground Inc between 2022–2025.
| Funder | Total given | Grants | Years |
|---|---|---|---|
| Tahoe Community Foundation | $650,000 | 3 | 2022–2025 |
| Vanguard Charitable Endowment Program | $614,000 | 2 | 2023–2024 |
| National Philanthropic Trust | $575,000 | 1 | 2023 |
| The Bessemer Giving Fund | $500,000 | 1 | 2023 |
| Tomkat Foundation | $250,000 | 1 | 2024 |
| The San Francisco Foundation | $187,500 | 1 | 2024 |
| The Ruvo Family Foundation | $150,000 | 1 | 2024 |
| Jewish Community Foundation of Los Angeles | $75,000 | 2 | 2023–2024 |
| The New York Community Trust | $62,500 | 1 | 2023 |
| Tahoe Fund | $50,000 | 2 | 2024–2025 |
| C and a Johnson Family Foundation | $50,000 | 1 | 2024 |
| Community Foundation of Northern Nevada | $50,000 | 2 | 2023–2024 |
| Speramus Foundation | $26,000 | 2 | 2023–2024 |
| Conyes Foundation | $25,000 | 2 | 2023–2024 |
| The Bradford & Lauren Koenig Foundation | $20,000 | 1 | 2024 |
| Pasadena Community Foundation | $20,000 | 1 | 2024 |
| GiveClear Foundation | $15,000 | 1 | 2024 |
Funding over time
Grant dollars and counts received per year
From 2022 to 2025, annual grant giving ranged from $150K (2022) to $2.0M (2023). In 2025 it made 2 grants totaling $275K.
What grants has Glenbrook Underground Inc received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Tahoe Community Foundation | Community Engagement | $250,000 |
| 2025 | Tahoe Fund | forest health | $25,000 |
| 2024 | Tomkat Foundation | GENERAL OPERATING SUPPORT | $250,000 |
| 2024 | The San Francisco Foundation | FOR GENERAL SUPPORT. | $187,500 |
| 2024 | The Ruvo Family Foundation | Charity - general support | $150,000 |
| 2024 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $115,000 |
| 2024 | C and a Johnson Family Foundation | CHARITABLE SUPPORT | $50,000 |
| 2024 | Jewish Community Foundation of Los Angeles | general support | $50,000 |
| 2024 | Tahoe Fund | forest health | $25,000 |
| 2024 | Community Foundation of Northern Nevada | to support the undergrounding of pwerlines in Glenbrook, NV | $25,000 |
| 2024 | The Bradford & Lauren Koenig Foundation | To help NV Energy move electric and communications utilities underground, to increase safety through eliminating fire risk from suspended electrical wiring that runs throughout the community. | $20,000 |
| 2024 | Pasadena Community Foundation | Donor Advised | $20,000 |
| 2024 | GiveClear Foundation | Program Support | $15,000 |
| 2024 | Speramus Foundation | GENERAL SUPPORT | $14,000 |
| 2024 | Conyes Foundation | General | $12,500 |
| 2023 | National Philanthropic Trust | PUBLIC, SOCIETAL BENEFIT | $575,000 |
| 2023 | The Bessemer Giving Fund | GENERAL SUPPORT | $500,000 |
| 2023 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $499,000 |
| 2023 | Tahoe Community Foundation | Community Engagement | $250,000 |
| 2023 | The New York Community Trust | FOR GENERAL SUPPORT. | $62,500 |
| 2023 | Community Foundation of Northern Nevada | Undergrounding power lines | $25,000 |
| 2023 | Jewish Community Foundation of Los Angeles | GENERAL SUPPORT | $25,000 |
| 2023 | Conyes Foundation | General | $12,500 |
| 2023 | Speramus Foundation | GENERAL SUPPORT | $12,000 |
| 2022 | Tahoe Community Foundation | Community Engagement | $150,000 |
Frequently Asked Questions
Who funds Glenbrook Underground Inc?
Glenbrook Underground Inc is funded by 17 grantmakers, led by Tahoe Community Foundation ($650K), Vanguard Charitable Endowment Program ($614K), National Philanthropic Trust ($575K). In total, IRS Form 990 filings record $3.3M in grants to Glenbrook Underground Inc between 2022–2025.
Who is Glenbrook Underground Inc's largest funder?
Tahoe Community Foundation is the largest recorded funder of Glenbrook Underground Inc, with $650K across 3 grants (2022–2025).
How much grant funding has Glenbrook Underground Inc received?
IRS 990 filings record $3.3M in grants to Glenbrook Underground Inc across 25 grants from 17 funders between 2022–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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