# William Worthen Foundation

William Worthen Foundation is a Nonprofit Organization based in Santa Cruz, United States.

## Overview

- **Organization type:** Nonprofit Organization
- **Headquarters:** Santa Cruz, United States
- **Region:** North America

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies William Worthen Foundation as a tax-exempt nonprofit organization exempt under Section 501(c)(3). Its Employer Identification Number is 86-3569728. Its reported mailing city is Santa Cruz, California, United States. The retained registry records an IRS exemption ruling in November 2021 and reported NTEE classification code C99. The ruling date is not a founding date. Original retained record: IRS Exempt Organizations Business Master File, eo3.csv, EIN 86-3569728. These dated registry facts do not establish current operations, current finances, assets under management or an investment mandate. No financial amounts are stated in this registry-only record.

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Updated: 2026-10-25T19:08:42Z

Canonical page: https://altss.com/profile/william-worthen-foundation

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