Grand Rapids, MI

Sweet House Foundation

EIN 20-2260362

Arts, Culture & Heritage Museums & Visual Arts

Mission

To preserve, maintain, and share the historic Martin Sweet House in Grand Rapids, and to educate the public about the house’s architecture, history, and the contributions of Martin Sweet and subsequent occupants.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

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About Sweet House Foundation

This profile corresponds to the Sweet House Foundation (EIN 20-2260362), a 501(c)(3) nonprofit headquartered in Grand Rapids, Michigan, that operates the mid-1860s Italianate Martin Sweet House at 254 Fulton Street E. The Foundation preserves and interprets the historic house for the public while operating the property as a community event venue, hosting tours, cultural events, and rentals that help fund ongoing conservation and educational programming. In recent years the organization has maintained a visible local presence through membership drives, public events and partnerships with cultural groups, and it reported materially positive financial results in its most recent public filings, allowing continued preservation work and community programming.

Notable achievements

Historic preservation and active operation

Maintained and preserved the mid-1860s Martin Sweet House as a landmark historic property and kept the building open for public viewing and events while performing ongoing conservation and upkeep.

Sustained event and membership program

Operates a structured membership program with tiered giving levels and an active event-rental operation that supports preservation work and public programming; the venue hosts community performances, meetings and private events.

Recent fiscal growth (reported)

In its most recent public financial reporting cycle the organization reported a substantial operating year with reported revenue and assets that supported restoration and program activity, enabling continued preservation and community use of the property.

At a glance

Total assets: $499K
Annual revenue: $433K
Tax status: 501(c)(3)Public charity
EIN: 20-2260362
Location: Grand Rapids, MI
Website: sweethousefoundation.org
On Mahalo since: May 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Recognized as a tax-exempt 501(c)(3) organization (EIN 20-2260362) and listed in nonprofit databases as an active historic-preservation nonprofit.

Profiled and rated on public charity rating/listing services with an overall positive evaluation for accountability and finance.

Featured in local historic- and preservation-related programming and community event listings (including participation in neighborhood tours and municipal historic-commission activities).

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