Nonprofit screen
Screen a listStephen Siller Tunnel to Towers Foundation
Can you give?
Listed with the IRS. Every screen came back clear.
A 501(c)(3) on Publication 78 and the IRS master file.
- IRS nonprofit listing
- No issue
- Revocation
- None
- IRS files
- Agree
- Sanctions
- No match
- IRS bulletin
- No notice
- California
- Registered
- Charity type
- 509(a)(1)
$559Mrevenue
FY2024 · +112% in 3 yrs390staff
8 of 8years filed
’17’18’19’20’21’22’23’24
Revenue and spendingRevenueSpending
Against similar nonprofits FY2024
Operating margin31.9%
Months of reserve11.7mo
Revenue growth (annualized)+62.4%
Middle half of peersMedianStephen Siller Tunnel to Towers
Where the money goes FY2024 · $381M spent
Programs$335M88%Management and general$8.1M2%Fundraising$38M10%990 FY2024 · Part IX line 25
Nothing to check in the filings
In its favor3
Strong governance
6 of 7 board members independent. Conflict-of-interest and whistleblower policies, audited financial statements, board reviews the 990.
990 Part VIGrowing faster than peers
Revenue up 62% a year since FY2017, in the top quarter of similar nonprofits.
990 Part I · peer cohortFunders stay
308 of the 387 funders that gave before FY2021 are still giving.
Funders’ 990-PF grant lists4,019funders
$42Ma year, last 3 years
14%from its largest funder
Funder’17’18’19’20’21’22’23Esther and Harold Mertz FoundationSince FY2020$8.7M$1.0M$120k$200kTHDF II Inc DBA The Home Depot Foundation & Homer FundStopped after FY2022$1.6M$1.4M$2.7M$685k$506k$625k–Hauck Charitable FoundationSince FY2021$1.5M$1.5M$1.5MRush and Kathryn Adams Limbaugh Family Foundation IncOn and off$2.0MWsdc FoundationSince FY2021$440k$380k$600kGeorge & Melodie Rogers FoundationOn and off$1.0MDonor-advised giftsLargest 2,000 of 4,019 funders only$228k$184k$727k$3.6M$12M$38M$23MOther fundersLargest 2,000 of 4,019 funders only$46k$561k$1.4M$4.8M$10M$16M$16M
FundedThrough a donor-advised fundStopped