# Summer Hill Foundation

Summer Hill Foundation is a Private Foundation based in Madison, United States.

## Overview

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

## About

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Summer Hill Foundation as a private grantmaking foundation exempt under Section 501(c)(3). Its Employer Identification Number is 26-1344446. Its reported mailing city is Madison, Connecticut, United States. For the tax period ending December 2025, the retained IRS record reports total assets of USD 19,960,715. Reported income for that tax period is USD 6,116,236. The reported NTEE classification code is T20. The IRS ruling year recorded in this snapshot is 2007. 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/summer-hill-foundation

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