Question 1

Is San Diego Chapter a tax-exempt 501(c)(3)?

Accepted Answer

Yes — San Diego Chapter is recognised by the IRS as a 501(c)(6) organisation (EIN 33-0551783). The IRS recognised San Diego Chapter as tax-exempt in March 1985.

Question 2

What is San Diego Chapter's EIN?

Accepted Answer

San Diego Chapter's Employer Identification Number (EIN) is 33-0551783. The EIN was assigned by the IRS in March 1985. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does San Diego Chapter do?

Accepted Answer

Scientific professional membership organization.

Question 4

Where is San Diego Chapter located?

Accepted Answer

San Diego Chapter is located at 131 S Indiana Ave STE 1, Vista, CA, 92084.

Question 5

When was San Diego Chapter founded or recognised by the IRS?

Accepted Answer

San Diego Chapter was recognised by the IRS as a tax-exempt organisation in March 1985. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is San Diego Chapter's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), San Diego Chapter reported $345K in total revenue and $278K in total expenses.

Question 7

Has San Diego Chapter been auto-revoked by the IRS?

Accepted Answer

No — San Diego Chapter (EIN 33-0551783) 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 Chapter listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find San Diego Chapter 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 Chapter

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