# CHARLES KOCH FOUNDATION

CHARLES KOCH FOUNDATION is a Private Foundation based in ARLINGTON, United States.

## Overview

- **Organization type:** Private Foundation
- **Headquarters:** ARLINGTON, United States
- **Region:** North America

## About

CHARLES KOCH FOUNDATION is listed by the Internal Revenue Service as a private grantmaking foundation exempt under Section 501(c)(3), with employer identification number 48-0918408. The IRS filing address is in ARLINGTON, VA, United States. For the tax period ending December 2024, the IRS Exempt Organizations Business Master File lists year-end book assets of USD 758,930,141 and an IRS-computed Income Amount of USD 1,208,231. For private foundations, this extract field combines total revenue with specified cost-of-goods and cost-basis amounts from Form 990-PF. The IRS ruling date on file is October 2014.

## Questions

### What is CHARLES KOCH FOUNDATION?

The IRS lists CHARLES KOCH FOUNDATION as a private grantmaking foundation exempt under Section 501(c)(3), with EIN 48-0918408.

### What filing locality does the IRS record for CHARLES KOCH FOUNDATION?

The IRS filing address is in ARLINGTON, VA, United States.

### What book assets does the IRS report for CHARLES KOCH FOUNDATION?

For the tax period ending December 2024, the IRS lists year-end book assets of USD 758,930,141.

### What does the IRS Income Amount for CHARLES KOCH FOUNDATION represent?

For the tax period ending December 2024, the IRS-computed Income Amount is USD 1,208,231. For private foundations, this extract field combines total revenue with specified cost-of-goods and cost-basis amounts from Form 990-PF.

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Updated: 2026-10-15T12:15:38.388Z

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