Question 1

Is San Diego Grotto of the National Speleological Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes — San Diego Grotto of the National Speleological Society is recognised by the IRS as a 501(c)(7) organisation (EIN 39-2883726). The IRS recognised San Diego Grotto of the National Speleological Society as tax-exempt in October 2025.

Question 2

What is San Diego Grotto of the National Speleological Society's EIN?

Accepted Answer

San Diego Grotto of the National Speleological Society's Employer Identification Number (EIN) is 39-2883726. The EIN was assigned by the IRS in October 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does San Diego Grotto of the National Speleological Society do?

Accepted Answer

San Diego Grotto of the National Speleological Society is registered with the IRS as a recreation & sports nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.

Question 4

Where is San Diego Grotto of the National Speleological Society located?

Accepted Answer

San Diego Grotto of the National Speleological Society is located at 3017 Melbourne DR, San Diego, CA, 92123-3132.

Question 5

When was San Diego Grotto of the National Speleological Society founded or recognised by the IRS?

Accepted Answer

San Diego Grotto of the National Speleological Society was recognised by the IRS as a tax-exempt organisation in October 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is San Diego Grotto of the National Speleological Society's annual revenue?

Accepted Answer

Detailed Form 990 financials for San Diego Grotto of the National Speleological Society are not currently available on this profile.

Question 7

Has San Diego Grotto of the National Speleological Society been auto-revoked by the IRS?

Accepted Answer

No — San Diego Grotto of the National Speleological Society (EIN 39-2883726) 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 San Diego Grotto of the National Speleological Society listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find San Diego Grotto of the National Speleological Society 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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San Diego Grotto of the National Speleological Society

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