Question 1

Is Tirr Foundation a tax-exempt 501(c)(3)?

Accepted Answer

Yes. Tirr Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 76-0185588). The IRS recognised Tirr Foundation as tax-exempt in September 1987.

Question 2

What is Tirr Foundation's EIN?

Accepted Answer

Tirr Foundation's Employer Identification Number (EIN) is 76-0185588. The EIN was assigned by the IRS in September 1987. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Tirr Foundation do?

Accepted Answer

TIRR provides funding for collaborative neurotrauma research and patient rehabilitation.

Question 4

Where is Tirr Foundation located?

Accepted Answer

Tirr Foundation is located at 3355 W Alabama Suite 950, Houston, TX, 77098.

Question 5

When was Tirr Foundation founded or recognised by the IRS?

Accepted Answer

Tirr Foundation was recognised by the IRS as a tax-exempt organisation in September 1987. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Tirr Foundation's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Tirr Foundation reported $14.5M in total revenue and $4.0M in total expenses.

Question 7

Has Tirr Foundation been auto-revoked by the IRS?

Accepted Answer

No. Tirr Foundation (EIN 76-0185588) 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 Tirr Foundation listed in IRS Publication 78?

Accepted Answer

Yes. Tirr Foundation 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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