Question 1

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

Accepted Answer

Yes — Mendham is recognised by the IRS as a 501(c)(4) organisation (EIN 51-0233547). The IRS recognised Mendham as tax-exempt in January 1979.

Question 2

What is Mendham's EIN?

Accepted Answer

Mendham's Employer Identification Number (EIN) is 51-0233547. The EIN was assigned by the IRS in January 1979. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Mendham do?

Accepted Answer

Fireman's relief

Question 4

Where is Mendham located?

Accepted Answer

Mendham is located at 24 East Main Street, Mendham, NJ, 07945.

Question 5

When was Mendham founded or recognised by the IRS?

Accepted Answer

Mendham was recognised by the IRS as a tax-exempt organisation in January 1979. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Mendham's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Mendham reported $64K in total revenue and $48K in total expenses.

Question 7

Has Mendham been auto-revoked by the IRS?

Accepted Answer

No — Mendham (EIN 51-0233547) 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 Mendham listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find Mendham 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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Mendham

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