# William and Diane Hein Foundation

William and Diane Hein Foundation is a Private Foundation based in Williamsville, United States.

## Overview

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

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies William and Diane Hein Foundation as a private grantmaking foundation exempt under Section 501(c)(3). Its Employer Identification Number is 16-1484562. Its reported mailing city is Williamsville, New York, United States. For the tax period ending December 2025, the retained IRS record reports total assets of USD 14,524,475. Reported income for that tax period is USD 12,291,340. The reported NTEE classification code is T99Z. The IRS ruling year recorded in this snapshot is 1995. Total assets are balance-sheet assets, not assets under management. These are dated IRS records; they do not establish current finances or a present investment mandate.

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Updated: 2026-10-23T07:51:13Z

Canonical page: https://altss.com/profile/william-and-diane-hein-foundation

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