# Water Mill Museum

Water Mill Museum is a Nonprofit Organization based in Water Mill, United States.

## Overview

- **Organization type:** Nonprofit Organization
- **Headquarters:** Water Mill, United States
- **Region:** North America

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Water Mill Museum as a tax-exempt nonprofit organization exempt under Section 501(c)(3). Its Employer Identification Number is 11-3554827. Its reported mailing city is Water Mill, New York, United States. For the tax period ending December 2025, the retained IRS record reports total assets of USD 561,066. Reported income for that tax period is USD 162,707. Reported revenue for that tax period is USD 162,327. The reported NTEE classification code is A50. The IRS ruling year recorded in this snapshot is 2000. Original retained record: IRS Exempt Organizations Business Master File, eo1.csv, EIN 11-3554827. 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: 2026-10-25T16:21:26Z

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