Sierra Club Foundation
2101 Webster St Ste 1250, Oakland, CA · IRS data through FY2025
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2025 | $31,947,339 | $53,130,891 | $164,601,188 |
| FY2024 | $108,188,731 | $102,142,815 | $180,648,301 |
| FY2023 | $89,068,739 | $113,468,024 | $167,535,669 |
| FY2022 | $87,746,859 | $113,448,406 | $176,944,324 |
| FY2021 | $108,646,694 | $99,059,202 | $233,914,116 |
| FY2020 | $95,601,203 | $94,298,604 | $214,566,516 |
| FY2019 | $120,488,815 | $93,907,405 | $191,476,286 |
| FY2018 | $105,160,363 | $84,933,888 | $147,449,546 |
| FY2017 | $71,524,157 | $72,890,348 | $135,379,336 |
| FY2016 | $75,709,930 | $65,240,241 | $125,286,788 |
| FY2015 | $90,844,476 | $63,424,535 | $113,229,011 |
| FY2014 | $62,137,742 | $59,473,151 | $89,083,509 |
| FY2013 | $58,503,816 | $57,443,349 | $85,855,136 |
| FY2012 | $47,618,045 | $56,641,344 | $79,623,061 |
Form 990 filings
The returns filed by Sierra Club Foundation (EIN 94-6069890), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $29,303,522 | 92% |
| Program service revenue | $0 | 0% |
| Other revenue | $2,643,817 | 8% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $44,619,601 | 84% |
| Management & general | $1,681,754 | 3% |
| Fundraising | $6,829,536 | 13% |
What the numbers show
- Contributions & grants made up 92% of total revenue in FY2025.
- Program services accounted for 84% of functional expenses, management & general 3%, and fundraising 13%.
- 84% of functional expenses went to program services in FY2025. That is higher than 50% of 70 Environment organizations in CA.
- Net assets covered about 37.2 months of expenses at the end of the reporting year. That puts it in the 70th percentile among 1182 Environment organizations in CA.
- Total revenue was higher than 98.8% of 1202 Environment organizations in CA.
- Total revenue fell from $47,618,045 in FY2012 to $31,947,339 in FY2025. Revenue increased in 8 and decreased in 5 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 5 of 14 reported years (FY2012, FY2017, FY2022, FY2023, FY2025).
- The highest revenue on record here is $120,488,815 in FY2019.
- Net assets grew from $79,623,061 to $164,601,188 between FY2012 and FY2025.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
EDUCATE AND EMPOWER PEOPLE TO PROTECT AND IMPROVE THE NATURAL AND HUMAN ENVIRONMENT.
IRS status
| Ruling year | 1962 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | C300 — Environment (in CA) |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
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Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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