Louis & Mary Stumberg Foundation
501(c)(3) Donations tax-deductible
Only null% goes to programs Strong reserves Growing revenue
Louis & Mary Stumberg Foundation is a 501(c)(3) organization based in San Antonio, Texas, registered in 1989, with $4,152,587 in FY2024 revenue. CharityIndex grades it C+.
227 W Olmos Dr, San Antonio, TX, 78212 EIN 74-6367261 Since 1989
Revenue (FY2024)
$4.2M
▲ 276.5% vs prior year
Expenses (FY2024)
$919K
Net assets
$13.7M
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 Louis & Mary Stumberg 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 rating179 mo reserves · +78% 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 Louis & Mary Stumberg Foundation: 179 mo reserves · +78% 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 Louis & Mary Stumberg 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 Louis & Mary Stumberg Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
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Contact & location
- Address
- 227 W Olmos Dr, San Antonio, TX, 78212
- City
- San Antonio
- State
- Texas
- Category
- —
- Subcategory
- —
Financial trends
Revenue grew from $607K (FY2013) to $4.2M (FY2024) across 12 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $0Net assets $13.7M
Operating margin
77.9%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$13.7M
Total liabilities
$0
Net assets
$13.7M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $4,152,587▲277% | $919,303▲30.3% | $13,692,145▲30.9% | $13,692,145▲30.9% | 990PF |
| 2023 | $1,102,801▼38.8% | $705,405▲160% | $10,458,861▲3.9% | $10,458,861▲3.9% | 990PF |
| 2022 | $1,800,677▲205% | $271,690▼62.7% | $10,061,465▲17.9% | $10,061,465▲17.9% | 990PF |
| 2021 | $590,868▼7.3% | $728,813▲818% | $8,532,478▼1.6% | $8,532,478▼1.6% | 990PF |
| 2020 | $637,513▼80.2% | $79,390▼80.5% | $8,670,423▲6.9% | $8,670,423▲6.9% | 990PF |
| 2019 | $3,223,668▲362% | $407,898▲60.6% | $8,112,593▲53.2% | $8,112,593▲53.2% | 990PF |
| 2018 | $697,174▲27.4% | $253,996▼17.1% | $5,296,823▲9.1% | $5,296,823▲9.1% | 990PF |
| 2017 | $547,118▼25.9% | $306,471▼68.6% | $4,853,645▲5.2% | $4,853,645▲5.2% | 990PF |
| 2016 | $738,653▲43.5% | $976,562▲110% | $4,612,998▼4.9% | $4,612,998▼4.9% | 990PF |
| 2015 | $514,591▼35.5% | $465,928▼32.7% | $4,851,328▲1.0% | $4,851,328▲1.0% | 990PF |
| 2014 | $797,635▲31.4% | $692,631▲29.3% | $4,802,665▲2.2% | $4,802,665▲2.2% | 990PF |
| 2013 | $607,222 | $535,658 | $4,697,661 | $4,697,661 | 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.
Frequently asked questions
- Is Louis & Mary Stumberg Foundation a legitimate nonprofit?
- Yes. Louis & Mary Stumberg Foundation is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 74-6367261, based in San Antonio, Texas. Donations are tax-deductible.
- What is Louis & Mary Stumberg Foundation's EIN?
- Louis & Mary Stumberg Foundation's Employer Identification Number (EIN) is 74-6367261.
- How much revenue does Louis & Mary Stumberg Foundation report?
- Louis & Mary Stumberg Foundation reported $4,152,587 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does Louis & Mary Stumberg Foundation have?
- CharityIndex grades Louis & Mary Stumberg Foundation C+, based on financial health (reserves and operating margin).
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Data for Louis & Mary Stumberg Foundation (EIN 74-6367261) 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.