Question 1

Is MT Diablo Interpretive Association a tax-exempt 501(c)(3)?

Accepted Answer

Yes — MT Diablo Interpretive Association is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7444529). The IRS recognised MT Diablo Interpretive Association as tax-exempt in March 1975.

Question 2

What is MT Diablo Interpretive Association's EIN?

Accepted Answer

MT Diablo Interpretive Association's Employer Identification Number (EIN) is 23-7444529. The EIN was assigned by the IRS in March 1975. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does MT Diablo Interpretive Association do?

Accepted Answer

To assist with maintaining and interpreting mount Diablo state park, an ecological treasure of the San Francisco bay area.

Question 4

Where is MT Diablo Interpretive Association located?

Accepted Answer

MT Diablo Interpretive Association is located at PO BOX 346, Walnut Creek, CA, 94597.

Question 5

When was MT Diablo Interpretive Association founded or recognised by the IRS?

Accepted Answer

MT Diablo Interpretive Association was recognised by the IRS as a tax-exempt organisation in March 1975. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is MT Diablo Interpretive Association's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), MT Diablo Interpretive Association reported $457K in total revenue and $197K in total expenses.

Question 7

Has MT Diablo Interpretive Association been auto-revoked by the IRS?

Accepted Answer

No — MT Diablo Interpretive Association (EIN 23-7444529) 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 MT Diablo Interpretive Association listed in IRS Publication 78?

Accepted Answer

Yes — MT Diablo Interpretive Association 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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MT Diablo Interpretive Association

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