Bloomington, MN

MINNESOTA MASONIC HISTORICAL SOCIETY AND MUSEUM

EIN 41-1788642

Arts, Culture & Heritage Cultural Heritage & Traditions

Mission

To invite and encourage the exploration of Freemasonry and its role in shaping Minnesota history and culture by collecting, preserving, interpreting, and promoting Masonic artifacts and related research for both scholars and the public.

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

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About MINNESOTA MASONIC HISTORICAL SOCIETY AND MUSEUM

The Minnesota Masonic Historical Society and Museum (MMHSM) is a 501(c)(3) organization that preserves and presents the history and cultural impact of Freemasonry in Minnesota. Its collections and research library are housed in the Colonel James B. Ladd Museum within the Minnesota Masonic Heritage Center, and its activities include exhibits, guided tours, research services, and membership-supported programming. Founded in the mid-1990s, the society has built a large collection of Masonic artifacts and archival materials (over 30,000 items) and operates public-facing galleries (approximately 3,700 square feet) that interpret the factual and cultural histories of Freemasonry in the state. The organization is donor-facing, maintains a public web presence, and its legal EIN 41-1788642 has been confirmed in public nonprofit filings.

Notable achievements

Establishment of the Ladd Museum within the Heritage Center

Played a central role in creating the Colonel James B. Ladd Museum and research library inside the Minnesota Masonic Heritage Center (heritage center opened in 2016), providing a 3,700 sq. ft. interpretive museum space and public galleries.

Large, professionally catalogued collection

Developed and stewarded a collection exceeding 30,000 artifacts, photographs, archival items, and library holdings documenting Freemasonry and its role in Minnesota history.

Legacy grant–funded collections storage project (2023)

Secured Minnesota Historical & Cultural Heritage (Legacy) funding to design and install high-density archival storage for the MMHSM collection (project budgeted at approximately $170,690) to improve preservation and public access.

At a glance

Total assets: $19.1M
Annual revenue: $315K
Tax status: 501(c)(3)Public charity
EIN: 41-1788642
Location: Bloomington, MN
Website: masonicheritagecenter.org
On Mahalo since: May 2026

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

Recognition

Operates as the museum and historical-society component of the Minnesota Masonic Heritage Center and Minnesota Masonic Charities network, recognized regionally for its collections and public programming.

Profiled by national nonprofit data services and charity information platforms and listed with EIN 41-1788642 in public Form 990 records, confirming tax-exempt status and public financial filings.

Evaluated by charity information services and displayed with an organizational rating (two-star profile) on public charity-rating platforms that summarize accountability and finance metrics.

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