# G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION

G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION is a Private Foundation based in MOUNT KISCO, United States.

## Overview

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

## About

G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION is listed by the Internal Revenue Service as a private grantmaking foundation exempt under Section 501(c)(3), with employer identification number 23-7441901. The IRS filing address is in MOUNT KISCO, NY, United States. For the tax period ending December 2024, the IRS Exempt Organizations Business Master File lists year-end book assets of USD 107,899,647 and an IRS-computed Income Amount of USD 49,422,078. 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 July 1975. These tax-filing amounts are not assets under management or net profit.

## Questions

### What is G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION?

The IRS lists G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION as a private grantmaking foundation exempt under Section 501(c)(3), with EIN 23-7441901.

### What filing locality does the IRS record for G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION?

The IRS filing address is in MOUNT KISCO, NY, United States.

### What book assets does the IRS report for G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION?

For the tax period ending December 2024, the IRS lists year-end book assets of USD 107,899,647.

### What does the IRS Income Amount for G HAROLD AND LEILA MATHERS CHARITABLE FOUNDATION represent?

For the tax period ending December 2024, the IRS-computed Income Amount is USD 49,422,078. 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: 2026-10-15T14:30:23.520Z

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