Question 1

Is Millbrook a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Millbrook is recognised by the IRS as a 501(c)(4) organisation (EIN 51-0149392). The IRS recognised Millbrook as tax-exempt in September 1942.

Question 2

What is Millbrook's EIN?

Accepted Answer

Millbrook's Employer Identification Number (EIN) is 51-0149392. The EIN was assigned by the IRS in September 1942. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Millbrook do?

Accepted Answer

Charitable activities

Question 4

Where is Millbrook located?

Accepted Answer

Millbrook is located at PO BOX 261, Millbrook, NY, 12545.

Question 5

When was Millbrook founded or recognised by the IRS?

Accepted Answer

Millbrook was recognised by the IRS as a tax-exempt organisation in September 1942. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Millbrook's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Millbrook reported $46K in total revenue and $50K in total expenses.

Question 7

Has Millbrook been auto-revoked by the IRS?

Accepted Answer

No — Millbrook (EIN 51-0149392) 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 Millbrook listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find Millbrook in the most recent IRS Publication 78 download. Some tax-exempt organisations (e.g., churches and government instrumentalities) are eligible to receive deductible contributions without appearing in Pub 78 — verify directly with the IRS if uncertain.

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Millbrook

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