Question 1

Is Northbrook Historical Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes. Northbrook Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7398712). The IRS recognised Northbrook Historical Society as tax-exempt in September 1974.

Question 2

What is Northbrook Historical Society's EIN?

Accepted Answer

Northbrook Historical Society's Employer Identification Number (EIN) is 23-7398712. The EIN was assigned by the IRS in September 1974. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Northbrook Historical Society do?

Accepted Answer

To discover, collect, preserve and disseminate knowledge, which will establish or illustrate the history of the village of Northbrook, its exploration, settlement, development and progress.

Question 4

Where is Northbrook Historical Society located?

Accepted Answer

Northbrook Historical Society is located at 1812 Chapel CT, Northbrook, IL, 60062.

Question 5

When was Northbrook Historical Society founded or recognised by the IRS?

Accepted Answer

Northbrook Historical Society was recognised by the IRS as a tax-exempt organisation in September 1974. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Northbrook Historical Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Northbrook Historical Society reported $71K in total revenue and $75K in total expenses.

Question 7

Has Northbrook Historical Society been auto-revoked by the IRS?

Accepted Answer

No. Northbrook Historical Society (EIN 23-7398712) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Northbrook Historical Society listed in IRS Publication 78?

Accepted Answer

Yes. Northbrook Historical Society is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Northbrook Historical Society

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