32 nonprofits in Costa Mesa, California. See where $856.2M in donations goes — program spending, CEO pay, and red flags from IRS 990 filings.
| # | Organization | Category | Revenue | Score | AI Insight |
|---|---|---|---|---|---|
| 1 | Argyros Family Foundation | $309.4M | — | — | |
| 2 | Segerstrom Center For The Arts | Arts, Culture & Humanities | $120.3M | — | — |
| 3 | Vanguard University Of So Ca | Education | $113.5M | — | — |
| 4 | Millennium Housing Corporation | Housing & Shelter | $33.0M | — | — |
| 5 | Henry T And Elizabeth Segerstrom Charitable Foundation | Recreation & Sports | $28.7M | — | — |
| 6 | Share Our Selves Corporation | Human Services | $27.5M | — | — |
| 7 | Orange Coast College Foundation | Education | $26.0M | — | — |
| 8 | Chp 11 99 Foundation | Mutual & Membership Benefit | $21.0M | — | — |
| 9 | Millennium Housing Of California | Housing & Shelter | $16.7M | — | — |
| 10 | South Coast Repertory Inc | Arts, Culture & Humanities | $16.4M | — | — |
Every tax-exempt nonprofit in the United States is required to file an IRS Form 990, which discloses financial details including revenue, expenses, assets, executive compensation, and program activities. NonprofitSpending uses AI to analyze these public filings and generate transparency reports for each organization.
For Costa Mesa, California, we track 32 registered nonprofits. Our AI enrichment process evaluates each organization's spending efficiency, revenue trends, governance practices, and mission alignment to produce a mission score and honest headline. This data helps donors, journalists, researchers, and community members make informed decisions about the nonprofits operating in their city.
Data on this page is sourced from IRS 990 filings, IRS Business Master Files, and supplemented with AI-powered analysis. Filing dates, ruling dates, and financial figures reflect the most recent available data. For the most current information on any organization, click through to its individual transparency report.
There are 32 registered nonprofits in Costa Mesa, California, with $856.2M in combined annual revenue and $0 in total assets.
The largest nonprofit in Costa Mesa by revenue is Argyros Family Foundation with $309.4M in annual revenue.
The most common categories in Costa Mesa are Arts, Culture & Humanities, Education, Housing & Shelter.
Spending efficiency data is being compiled for nonprofits in Costa Mesa.
Executive compensation data is being compiled for nonprofits in Costa Mesa.
You can research any nonprofit in Costa Mesa by clicking on its name above to view its full AI-powered transparency report. Each report includes IRS 990 financial data, spending breakdowns, executive compensation, revenue trends, and AI-generated risk assessments based on publicly available filings.