Is Constitutional Systems Institute a legitimate nonprofit?

Yes. Constitutional Systems Institute is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 41-4065946, based in Otsego, Minnesota. Donations are tax-deductible.

What is Constitutional Systems Institute's EIN?

Constitutional Systems Institute's Employer Identification Number (EIN) is 41-4065946.

Constitutional Systems Institute

501(c)(3) Donations tax-deductibleCivil Rights

Constitutional Systems Institute is a 501(c)(3) organization based in Otsego, Minnesota, registered in 2026.

15943 71st St Ne, Otsego, MN, 55330 EIN 41-4065946 Since 2026

Revenue

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Civil Rights median: $332K

Expenses

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Net assets

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Employees

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Contact & location

Address: 15943 71st St Ne, Otsego, MN, 55330
City: Otsego
State: Minnesota
Category: Civil Rights, Social Action & Advocacy
Subcategory: Civil Liberties

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Frequently asked questions

Is Constitutional Systems Institute a legitimate nonprofit?: Yes. Constitutional Systems Institute is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 41-4065946, based in Otsego, Minnesota. Donations are tax-deductible.
What is Constitutional Systems Institute's EIN?: Constitutional Systems Institute's Employer Identification Number (EIN) is 41-4065946.

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Data for Constitutional Systems Institute (EIN 41-4065946) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.