Mission
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.
Public Charity
NASSAU LIBRARY SYSTEM
NASSAU LIBRARY SYSTEM is a Public Charity headquartered in UNIONDALE, NY. Financial data from the 2025 filing: $10.7M revenue, $9.6M expenses, $15.2M total assets. IRS filings disclose 6 grants awarded by this foundation, totaling roughly $8.2M.
EIN: 111903822
UNIONDALE, NY
Libraries
NTEE: B70
Latest filing: 2025
Total Revenue$10.7M
Total Expenses$9.6M
Total Assets$15.2M
Grants Given6
Grant Total$8.2M
Filing Years2021–2025
Sample Grants Given
SEE ATTACHED
PASS THRU OF NYS AID
$958,200
SEE ATTACHED
PASS THRU OF NYS AID
$1,931,440
SEE ATTACHED
PASS THRU OF NYS AID
$1,083,218
SEE ATTACHED
PASS THRU OF NYS AID
$1,589,136
SEE ATTACHED
PASS THRU OF NYS AID
$1,532,034
Showing up to 5 of 6 total records — full history available with membership.
Officers & Directors
Trustee
Bill Keller
Trustee
Carl Williams
DIRECTOR
Caroline Ashby
Vice President
Deborah Mabry
Trustee
George O Williams
MANAGER
James Mchugh
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $10.7M | $9.6M | $15.2M |
| 2024 | $12.3M | $11.2M | $16.0M |
| 2023 | $10.6M | $10.5M | $14.8M |
| 2022 | $10.9M | $10.2M | $15.6M |
| 2021 | $10.6M | $9.6M | $13.1M |
Between 2021 and 2025, reported annual revenue held roughly steady at around $10.7M, with total assets most recently reported at $15.2M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in NY.
NY
Full geographic grant map with state-by-state breakdown available with membership.