94 nonprofits in Castle Rock, Colorado. See where $144.0M in donations goes — program spending, CEO pay, and red flags from IRS 990 filings.
All Castle Rock Organizations (94)
Education · $323K revenue
Philanthropy & Grantmaking · $177K revenue
Philanthropy & Grantmaking · $865K revenue
Education · $989K revenue
Human Services · $134K revenue
Arts, Culture & Humanities · $146K revenue
· $0 revenue
Education · $939K revenue
Medical Research · $220K revenue
Public Safety · $165K revenue
Mental Health · $10.8M revenue
· $173K revenue
Religion-Related · $216K revenue
Human Services · $307K revenue
Animal-Related · $508K revenue
· $0 revenue
Health Care · $142K revenue
Environment · $233K revenue
· $133K revenue
Health Care · $162K revenue
Arts, Culture & Humanities · $151K revenue
Education · $9.1M revenue
Community Improvement · $668K revenue
Education · $131K revenue
Youth Development · $4.1M revenue
Medical Research · $208K revenue
Philanthropy & Grantmaking · $392K revenue
Community Improvement · $1.1M revenue
Education · $846K revenue
Community Improvement · $183K revenue
· $329K revenue
Philanthropy & Grantmaking · $5.5M revenue
Human Services · $1.5M revenue
Youth Development · $764K revenue
Environment · $754K revenue
Recreation & Sports · $16.0M revenue
· $628K revenue
· $133K revenue
· $178K revenue
· $617K revenue
· $0 revenue
· $1.2M revenue
· $429K revenue
Youth Development · $168K revenue
Philanthropy & Grantmaking · $139K revenue
Mental Health · $930K revenue
Human Services · $340K revenue
Community Improvement · $477K revenue
Youth Development · $218K revenue
Human Services · $379K revenue
· $0 revenue
Recreation & Sports · $236K revenue
Recreation & Sports · $184K revenue
Education · $7.1M revenue
Education · $198K revenue
Human Services · $3.9M revenue
Religion-Related · $120K revenue
Human Services · $3.1M revenue
Community Improvement · $709K revenue
Human Services · $7.5M revenue
· $646K revenue
· $155K revenue
Religion-Related · $403K revenue
Religion-Related · $111K revenue
Arts, Culture & Humanities · $1.2M revenue
Education · $136K revenue
Philanthropy & Grantmaking · $1.2M revenue
Animal-Related · $578K revenue
Philanthropy & Grantmaking · $389K revenue
Recreation & Sports · $339K revenue
Recreation & Sports · $1.6M revenue
Education · $12.8M revenue
· $2.9M revenue
Civil Rights · $620K revenue
Youth Development · $2.3M revenue
Human Services · $388K revenue
Education · $14.6M revenue
Religion-Related · $221K revenue
Philanthropy & Grantmaking · $755K revenue
· $653K revenue
Community Improvement · $481K revenue
Philanthropy & Grantmaking · $396K revenue
Arts, Culture & Humanities · $574K revenue
Human Services · $616K revenue
Philanthropy & Grantmaking · $475K revenue
Animal-Related · $108K revenue
· $0 revenue
Philanthropy & Grantmaking · $419K revenue
Religion-Related · $760K revenue
Philanthropy & Grantmaking · $3.4M revenue
· $5.2M revenue
Education · $489K revenue
Education · $792K revenue
Philanthropy & Grantmaking · $1.0M revenue
About Nonprofit Research in Castle Rock
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 Castle Rock, Colorado, we track 94 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 Castle Rock, Colorado?
There are 94 registered nonprofits in Castle Rock, Colorado, with $144.0M in combined annual revenue and $0 in total assets.
What is the largest nonprofit in Castle Rock, Colorado?
The largest nonprofit in Castle Rock by revenue is Country Club At Castle Pines Inc with $16.0M in annual revenue.
What types of nonprofits operate in Castle Rock?
The most common categories in Castle Rock are Education, Philanthropy & Grantmaking, Human Services.
How efficient are nonprofits in Castle Rock with their spending?
Spending efficiency data is being compiled for nonprofits in Castle Rock.
What is the highest executive compensation at a nonprofit in Castle Rock?
Executive compensation data is being compiled for nonprofits in Castle Rock.
How can I research a nonprofit in Castle Rock?
You can research any nonprofit in Castle Rock 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.