Question 1

Is Nassau Library System a tax-exempt 501(c)(3)?

Accepted Answer

Yes. Nassau Library System is recognised by the IRS as a 501(c)(3) organisation (EIN 11-1903822). The IRS recognised Nassau Library System as tax-exempt in November 1978.

Question 2

What is Nassau Library System's EIN?

Accepted Answer

Nassau Library System's Employer Identification Number (EIN) is 11-1903822. The EIN was assigned by the IRS in November 1978. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Nassau Library System do?

Accepted Answer

To foster quality public Library service in Nassau County, to enhance the public Library resources and services available, to effect economies in operations, to provide training and continuing education opportunities.

Question 4

Where is Nassau Library System located?

Accepted Answer

Nassau Library System is located at 900 Jerusalem Avenue, Uniondale, NY, 11553.

Question 5

When was Nassau Library System founded or recognised by the IRS?

Accepted Answer

Nassau Library System was recognised by the IRS as a tax-exempt organisation in November 1978. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Nassau Library System's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Nassau Library System reported $10.7M in total revenue and $9.6M in total expenses.

Question 7

Has Nassau Library System been auto-revoked by the IRS?

Accepted Answer

No. Nassau Library System (EIN 11-1903822) 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 Nassau Library System listed in IRS Publication 78?

Accepted Answer

Yes. Nassau Library System 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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Nassau Library System

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