Thomas R Brown Foundation is a 501(c)(3) organization based in Tucson, Arizona, registered in 2005, with $314,184 in FY2024 revenue. CharityIndex grades it D.
Revenue (FY2024)
$314K
▼ 90.1% vs prior year
Social Science median: $380K
Expenses (FY2024)
$494K
Net assets
$4.6M
Employees
—
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 Thomas R Brown Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
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 Thomas R Brown Foundation: 113 mo reserves · -57% margin earns a F on this criterion. See the exact thresholds →
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 Thomas R Brown Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
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 Thomas R Brown Foundation: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Revenue grew from $60K (FY2013) to $314K (FY2024) across 12 reported years.
Financial snapshot
Operating margin
-57.4%
Spent more than it raised in the latest fiscal year.
Total assets
$4.8M
Total liabilities
$124K
Net assets
$4.6M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $314,184▼90.1% | $494,479▼4.2% | $4,642,576▼1.9% | $4,766,590▲0.1% | 990PF |
| 2023 | $3,166,076▲10981% | $515,987▲22.6% | $4,731,645▲140% | $4,761,247▲139% | 990PF |
| 2022 | $28,573▼98.6% | $420,775▲32.7% | $1,971,905▼20.8% | $1,988,815▼20.6% | 990PF |
| 2021 | $2,045,037▲34047% | $317,056▲3.2% | $2,490,625▲239% | $2,505,392▲228% | 990PF |
| 2020 | $5,989▼93.1% | $307,346▼46.1% | $734,030▼27.5% | $764,106▼31.1% | 990PF |
| 2019 | $86,618▲17.3% | $570,200▲23.6% | $1,011,900▼28.2% | $1,109,677▼21.7% | 990PF |
| 2018 | $73,845▼17.4% | $461,228▼11.8% | $1,408,490▼28.0% | $1,417,615▼27.8% | 990PF |
| 2017 | $89,366▼95.5% | $522,847▲9.3% | $1,955,039▼13.3% | $1,962,403▼13.3% | 990PF |
| 2016 | $2,006,492▲9600% | $478,305▲7.0% | $2,254,549▲219% | $2,263,437▲216% | 990PF |
| 2015 | $20,685▼62.6% | $447,144▼4.7% | $706,113▼39.6% | $716,210▼39.5% | 990PF |
| 2014 | $55,351▼7.8% | $468,968▲45.7% | $1,169,544▼25.7% | $1,183,599▼26.5% | 990PF |
| 2013 | $60,059 | $321,888▲3.2% | $1,573,979▼12.4% | $1,611,286▼13.5% | 990PF |
| 2012 | — | $311,829▼60.9% | $1,796,309▼29.5% | $1,861,960▼30.5% | 990PF |
| 2010 | — | $798,520 | $2,548,955 | $2,678,574 | 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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Data for Thomas R Brown Foundation (EIN 46-0512598) 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.