Question 1

Is Greek Ontological Development Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Greek Ontological Development Society is recognised by the IRS as a 501(c)(3) organisation (EIN 94-2511254). The IRS recognised Greek Ontological Development Society as tax-exempt in October 1979.

Question 2

What is Greek Ontological Development Society's EIN?

Accepted Answer

Greek Ontological Development Society's Employer Identification Number (EIN) is 94-2511254. The EIN was assigned by the IRS in October 1979. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Greek Ontological Development Society do?

Accepted Answer

To advance scientific and public knowledge of the past principally through grants for archaeological research and sponsoring public/professional presentations of current archaeological research and discoveries.

Question 4

Where is Greek Ontological Development Society located?

Accepted Answer

Greek Ontological Development Society is located at 311 29th Ave, San Francisco, CA, 94121.

Question 5

When was Greek Ontological Development Society founded or recognised by the IRS?

Accepted Answer

Greek Ontological Development Society was recognised by the IRS as a tax-exempt organisation in October 1979. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Greek Ontological Development Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Greek Ontological Development Society reported $17K in total revenue and $50K in total expenses.

Question 7

Has Greek Ontological Development Society been auto-revoked by the IRS?

Accepted Answer

No — Greek Ontological Development Society (EIN 94-2511254) 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 Greek Ontological Development Society listed in IRS Publication 78?

Accepted Answer

Yes — Greek Ontological Development 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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Greek Ontological Development Society

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