Question 1

Is Riverside Research Institute a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Riverside Research Institute is recognised by the IRS as a 501(c)(3) organisation (EIN 13-2593244). The IRS recognised Riverside Research Institute as tax-exempt in September 1967.

Question 2

What is Riverside Research Institute's EIN?

Accepted Answer

Riverside Research Institute's Employer Identification Number (EIN) is 13-2593244. The EIN was assigned by the IRS in September 1967. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Riverside Research Institute do?

Accepted Answer

The nature of its activities are to engage in and support scientific Research.

Question 4

Where is Riverside Research Institute located?

Accepted Answer

Riverside Research Institute is located at 12601 Fair Lakes Circle 400, Fairfax, VA, 22033.

Question 5

When was Riverside Research Institute founded or recognised by the IRS?

Accepted Answer

Riverside Research Institute was recognised by the IRS as a tax-exempt organisation in September 1967. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Riverside Research Institute's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Riverside Research Institute reported $286.6M in total revenue and $182.6M in total expenses.

Question 7

Has Riverside Research Institute been auto-revoked by the IRS?

Accepted Answer

No — Riverside Research Institute (EIN 13-2593244) 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 Riverside Research Institute listed in IRS Publication 78?

Accepted Answer

Yes — Riverside Research Institute 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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Riverside Research Institute

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