Stephen Siller Tunnel to Towers Foundation
2361 Hylan Blvd, Staten Island, NY · IRS data through FY2024
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2024 | $559,392,887 | $381,079,452 | $501,106,941 |
| FY2023 | $373,003,492 | $272,204,056 | $317,872,249 |
| FY2022 | $305,316,257 | $286,769,672 | $208,871,312 |
| FY2021 | $264,017,854 | $147,553,557 | $195,366,523 |
| FY2020 | $113,682,181 | $57,319,659 | $78,117,367 |
| FY2019 | $45,956,094 | $34,643,508 | $21,365,355 |
| FY2018 | $23,900,635 | $21,836,884 | $9,821,583 |
| FY2017 | $18,749,608 | $16,641,583 | $7,779,905 |
| FY2016 | $14,842,420 | $13,648,953 | $5,648,587 |
| FY2015 | $11,684,725 | $11,678,277 | $4,455,120 |
| FY2014 | $9,316,207 | $8,941,155 | $4,448,672 |
| FY2013 | $11,139,007 | $12,750,752 | $4,073,620 |
| FY2012 | $14,892,555 | $11,551,887 | $5,244,398 |
| FY2011 | $3,168,753 | $2,258,457 | $1,647,679 |
Form 990 filings
The returns filed by Stephen Siller Tunnel to Towers Foundation (EIN 02-0554654), 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 | $539,563,450 | 96% |
| Program service revenue | $9,920,142 | 2% |
| Other revenue | $9,909,295 | 2% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $335,403,790 | 88% |
| Management & general | $8,069,977 | 2% |
| Fundraising | $37,605,686 | 10% |
What the numbers show
- Contributions & grants made up 96% of total revenue in FY2024.
- Program services accounted for 88% of functional expenses, management & general 2%, and fundraising 10%.
- 88% of functional expenses went to program services in FY2024. That is higher than 64.3% of 412 Education organizations in NY.
- Net assets covered about 15.8 months of expenses at the end of the reporting year. That puts it in the 51st percentile among 4118 Education organizations in NY.
- Total revenue was higher than 99.6% of 4244 Education organizations in NY.
- Total revenue rose from $3,168,753 in FY2011 to $559,392,887 in FY2024. Revenue increased in 11 and decreased in 2 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 1 of 14 reported years (FY2013).
- Net assets grew from $1,647,679 to $501,106,941 between FY2011 and FY2024.
- 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
THE MISSION OF THE STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION IS TO HONOR THE SACRIFICE OF FDNY FIREFIGHTER STEPHEN SILLER, AND ALL THOSE WHO LAID DOWN THEIR LIVES TO SAVE OTHERS ON SEPTEMBER 11, 2001.
IRS status
| Ruling year | 2003 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | B82 — Education (in NY) |
| 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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