Nonprofits in San Marino, California

8 nonprofits in San Marino, California with $734.1M in total revenue. AI-powered transparency reports from IRS 990 data.

8Nonprofits
$734.1MTotal Revenue
$0Total Assets
4Categories

Nonprofit Categories in San Marino

Philanthropy & Grantmaking: 5 orgs Housing & Shelter: 1 orgs Unknown: 1 orgs Arts, Culture & Humanities: 1 orgs

Top Nonprofits in San Marino by Revenue

#OrganizationCategoryRevenueScoreAI Insight
1 Henry E Huntington Library & Art Gallery Arts, Culture & Humanities $596.4M
2 Thornton Foundation Delaware Philanthropy & Grantmaking $68.0M
3 Universal Sunlight Foundation Philanthropy & Grantmaking $21.4M
4 Silent Partner Grants Philanthropy & Grantmaking $17.8M
5 Whh Foundation Philanthropy & Grantmaking $14.8M
6 Thornton Foundation Philanthropy & Grantmaking $9.1M
7 Southwestern Academy Unknown $3.6M
8 Urban Communities Preservation Housing Corp Housing & Shelter $3.1M

All San Marino Organizations (8)

Urban Communities Preservation Housing Corp

Housing & Shelter · $3.1M revenue

Southwestern Academy

Unknown · $3.6M revenue

Henry E Huntington Library & Art Gallery

Arts, Culture & Humanities · $596.4M revenue

Thornton Foundation Delaware

Philanthropy & Grantmaking · $68.0M revenue

Silent Partner Grants

Philanthropy & Grantmaking · $17.8M revenue

Universal Sunlight Foundation

Philanthropy & Grantmaking · $21.4M revenue

Thornton Foundation

Philanthropy & Grantmaking · $9.1M revenue

Whh Foundation

Philanthropy & Grantmaking · $14.8M revenue

Other Cities in California

Los Angeles (1022) San Francisco (926) San Diego (482) Sacramento (448) Oakland (387) San Jose (215) Pasadena (210) Fresno (153) Berkeley (151) Irvine (142) Santa Barbara (125) Long Beach (112) Palo Alto (107) Santa Ana (99) San Rafael (95) Santa Rosa (82) Santa Monica (79) Bakersfield (70) Stockton (65) Riverside (64)

About Nonprofit Research in San Marino

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 San Marino, California, we track 8 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.

Frequently Asked Questions

How many nonprofits are in San Marino, California?

There are 8 registered nonprofits in San Marino, California, with $734.1M in combined annual revenue and $0 in total assets.

What is the largest nonprofit in San Marino, California?

The largest nonprofit in San Marino by revenue is Henry E Huntington Library & Art Gallery with $596.4M in annual revenue.

What types of nonprofits operate in San Marino?

The most common categories in San Marino are Philanthropy & Grantmaking, Housing & Shelter, Unknown.

How efficient are nonprofits in San Marino with their spending?

Spending efficiency data is being compiled for nonprofits in San Marino.

What is the highest executive compensation at a nonprofit in San Marino?

Executive compensation data is being compiled for nonprofits in San Marino.

How can I research a nonprofit in San Marino?

You can research any nonprofit in San Marino 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.

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