S S Mack Family Foundation
Only null% goes to programs Strong reserves Growing revenue
S S Mack Family Foundation is a 501(c)(3) organization based in Wilmington, Delaware, registered in 2018, with $203,561 in FY2025 revenue. CharityIndex grades it C+.
Foundation Source 501 Silverside Rd, Wilmington, DE, 19809 EIN 82-2768926 Since 2018
Revenue (FY2025)
$204K
▲ 92.2% vs prior year
Philanthropy median: $168K
Expenses (FY2025)
$61K
Net assets
$759K
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
C+
—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for S S Mack Family Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
B+Financial health25% of the rating149 mo reserves · +70% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For S S Mack Family Foundation: 149 mo reserves · +70% margin earns a B+ on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for S S Mack Family Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
DTransparency10% of the rating1 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For S S Mack Family Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
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Contact & location
- Address
- Foundation Source 501 Silverside Rd, Wilmington, DE, 19809
- City
- Wilmington
- State
- Delaware
- Subcategory
- Private Foundations
Financial trends
Revenue grew from $60K (FY2018) to $204K (FY2025) across 8 reported years.
Financial snapshot
Financial health & position (FY2025)
Liabilities $0Net assets $759K
Operating margin
70.0%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$759K
Total liabilities
$0
Net assets
$759K
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2025 | $203,561▲92.2% | $61,108▲36.4% | $759,137▲23.1% | $759,137▲23.1% | 990PF |
| 2024 | $105,884▲70.9% | $44,789▼14.5% | $616,684▲11.0% | $616,684▲11.0% | 990PF |
| 2023 | $61,947▲31.5% | $52,364▲4.2% | $555,589▲1.8% | $555,589▲1.8% | 990PF |
| 2022 | $47,108▼66.3% | $50,236▼6.2% | $546,006▼0.6% | $546,006▼0.6% | 990PF |
| 2021 | $139,754▼24.9% | $53,575▼13.5% | $549,134▲18.6% | $549,134▲18.6% | 990PF |
| 2020 | $186,079▲1659% | $61,924▲59.5% | $462,955▲36.6% | $462,955▲36.6% | 990PF |
| 2019 | $10,579▼82.2% | $38,822▲7.7% | $338,800▼7.7% | $338,800▼7.7% | 990PF |
| 2018 | $59,587 | $36,045 | $367,043 | $367,043 | 990PF |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
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Frequently asked questions
- Is S S Mack Family Foundation a legitimate nonprofit?
- Yes. S S Mack Family Foundation is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 82-2768926, based in Wilmington, Delaware. Donations are tax-deductible.
- What is S S Mack Family Foundation's EIN?
- S S Mack Family Foundation's Employer Identification Number (EIN) is 82-2768926.
- How much revenue does S S Mack Family Foundation report?
- S S Mack Family Foundation reported $203,561 in total revenue on its fiscal year 2025 IRS Form 990 filing.
- What financial grade does S S Mack Family Foundation have?
- CharityIndex grades S S Mack Family Foundation C+, based on financial health (reserves and operating margin).
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Data for S S Mack Family Foundation (EIN 82-2768926) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.