Question 1

Is Issaquah Historical Society a tax-exempt 501(c)(3)?

Accepted Answer

Yes. Issaquah Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7425589). The IRS recognised Issaquah Historical Society as tax-exempt in November 1975.

Question 2

What is Issaquah Historical Society's EIN?

Accepted Answer

Issaquah Historical Society's Employer Identification Number (EIN) is 23-7425589. The EIN was assigned by the IRS in November 1975. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Issaquah Historical Society do?

Accepted Answer

To discover, preserve, and share history and heritiage of Issaquah and the surrounding area.

Question 4

Where is Issaquah Historical Society located?

Accepted Answer

Issaquah Historical Society is located at PO Box 695, Issaquah, WA, 98027.

Question 5

When was Issaquah Historical Society founded or recognised by the IRS?

Accepted Answer

Issaquah Historical Society was recognised by the IRS as a tax-exempt organisation in November 1975. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Issaquah Historical Society's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Issaquah Historical Society reported $269K in total revenue and $259K in total expenses.

Question 7

Has Issaquah Historical Society been auto-revoked by the IRS?

Accepted Answer

No. Issaquah Historical Society (EIN 23-7425589) 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 Issaquah Historical Society listed in IRS Publication 78?

Accepted Answer

Yes. Issaquah Historical 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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Issaquah History Museums

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