BUFFALO SOCIETY OF NATURAL SCIENCES

BUFFALO, NY, 142111293 (716) 896-5200 Est. 1865 EIN 16-6000178

A560 - Arts, Culture & Humanities 990 - Public charity return 501(c)(3)

Mission

INSPIRE JOYFUL EXPLORATION OF SCIENCE AND NATURE THROUGH ENGAGING EXPERIENCES, UNIQUE RESOURCES, AND EXCEPTIONAL STAFF.

Total Revenue

$8,189,097

Total Expenses

$7,427,942

Net Assets

$29,461,781

130 employees 182 volunteers

From latest filing (tax period ending 2025-09-30)

Operating Reserve

4.0 years Healthy

Net assets / monthly expenses

Year-over-Year Change

Revenue ↑ 28.6%

Expenses ↑ 14.8%

Revenue Sources

Contributions 54.7% Earned revenue 25.7% Investment 17.8% Other 2.0%

Expense Breakdown

Program 66.9% Management 21.0% Fundraising 12.1%

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Year	Revenue	Expenses	Net Assets
2024 990 - Public charity return Oct 1, 2024 to Sep 30, 2025	$8,189,097 ↑	$7,427,942	$29,461,781
2023 990 - Public charity return Oct 1, 2023 to Sep 30, 2024	$6,367,674 ↑	$6,470,245	$27,651,472
2022 990 - Public charity return Oct 1, 2022 to Sep 30, 2023	$5,462,221 ↓	$6,401,804	$24,529,386
2021 990 - Public charity return Oct 1, 2021 to Sep 30, 2022	$7,073,901 ↑	$6,362,091	$23,969,363
2020 990 - Public charity return Oct 1, 2020 to Sep 30, 2021	$5,760,811 ↑	$4,946,256	$28,024,599
2019 990 - Public charity return Oct 1, 2019 to Sep 30, 2020	$4,052,411 ↓	$4,792,005	$25,660,569
2017 990 - Public charity return Oct 1, 2017 to Sep 30, 2018	$8,095,960	$4,938,534	$25,109,803