Wilson W Phelps Foundation is a 501(c)(3) organization based in Irvine, California, registered in 1997, with $721,318 in FY2024 revenue. CharityIndex grades it C+.
Revenue (FY2024)
$721K
▲ 20.9% vs prior year
Philanthropy median: $168K
Expenses (FY2024)
$621K
Net assets
$5.1M
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 Wilson W Phelps 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 Wilson W Phelps Foundation: 99 mo reserves · +14% margin earns a B+ 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 Wilson W Phelps 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 Wilson W Phelps Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
Show this grade on your website
A live seal — it updates automatically when the grade changes and links donors to this verified profile.
Revenue grew from $373K (FY2013) to $721K (FY2024) across 12 reported years.
Financial snapshot
Operating margin
14.0%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$5.1M
Total liabilities
$0
Net assets
$5.1M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $721,318▲20.9% | $620,617▲2.6% | $5,145,353▲2.0% | $5,145,353▲2.0% | 990PF |
| 2023 | $596,391▼5.4% | $604,615▼3.6% | $5,044,652▼0.2% | $5,044,652▼0.2% | 990PF |
| 2022 | $630,449▼32.3% | $626,940▲31.2% | $5,052,876▲0.1% | $5,052,876▲0.1% | 990PF |
| 2021 | $931,884▲315% | $477,682▼11.9% | $5,049,367▲9.9% | $5,049,367▲9.9% | 990PF |
| 2020 | $224,688▲0.3% | $542,083▲16.2% | $4,595,165▼6.5% | $4,595,165▼6.5% | 990PF |
| 2019 | $224,036▼28.2% | $466,613▼5.5% | $4,912,560▼4.7% | $4,912,560▼4.7% | 990PF |
| 2018 | $311,856▼7.0% | $493,537▲17.2% | $5,155,137▼3.4% | $5,155,137▼3.4% | 990PF |
| 2017 | $335,412▼0.7% | $421,030▼4.4% | $5,336,818▼1.6% | $5,336,818▼1.6% | 990PF |
| 2016 | $337,855▼32.3% | $440,473▲1.5% | $5,422,436▼1.9% | $5,422,436▼1.9% | 990PF |
| 2015 | $498,867▲25.3% | $434,060▼0.3% | $5,525,054▲1.2% | $5,525,054▲1.2% | 990PF |
| 2014 | $398,052▲6.7% | $435,578▲4.4% | $5,460,247▼0.7% | $5,460,247▼0.7% | 990PF |
| 2013 | $372,967 | $417,362▲3.7% | $5,497,773▼0.8% | $5,497,773▼0.8% | 990PF |
| 2012 | — | $402,443 | $5,542,168 | $5,542,168 | 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.
Explore more
Data for Wilson W Phelps Foundation (EIN 33-0743687) 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.