INSTITUTE FOR SUSTAINABLE COMMUNITIES

MONTPELIER, VT, 05602 (802) 229-2900 Est. 1991 EIN 22-3098727
Q50Z - International & Foreign Affairs 990 - Public charity return 501(c)(3)
sustain.org

Mission

THE INSTITUTE FOR SUSTAINABLE COMMUNITIES (ISC) IS AN INTERNATIONAL, 501(C)(3) NONPROFIT ORGANIZATION THAT BRINGS PARTNERS, EXPERTISE, AND FUNDING TO COMMUNITIES THAT ARE MOST VULNERABLE TO CLIMATE CHANGE AND THE EFFECT IT HAS ON THE LIVES OF PEOPLE IN THE U.S. AND ABROAD.

Giving Portfolio

Total Grants
131
Total Giving
$10.2M
Recipients
131
Years Active
2017 - 2024
Avg grant: $74,223 Median: $55,625

Yearly Trends

YearGrantsTotal Giving Avg GrantNewRepeat
202411$1.1M $97K011
202327$2.1M $78K918
202224$2.3M $95K1311
202112$396K $33K012
202012$1.2M $99K012
201920$1.7M $86K812
201816$1.0M $66K133
20179$368K $41K90

Sectors Funded

Environment
28
Community Improvement
27
Human Services
16
Education
8
Employment
7
Housing & Shelter
7
Arts, Culture & Humanities
6
Science & Technology
3
and 7 more sectors

Top States

California
24
Texas
21
Louisiana
12
New York
10
Michigan
9
Maryland
8
Wisconsin
7
Illinois
6
and 15 more states

Grantee Size Profile

$1M - $5M
50
$500K - $1M
20
$5M - $10M
14
$100K - $500K
14
$10M - $50M
11
Over $50M
4

Top Grantees

Page 1 of 3
LA - 6 grants
$710K
CA - 2 grants
$680K
MD - 6 grants
$453K
$327K

Grants Awarded · 117 grants

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Financials

Total Revenue
$6,542,718
Total Expenses
$7,151,603
Net Assets
$2,784,866
38 employees 15 volunteers
From latest filing (tax period ending 2025-09-30)

Financial Health

Operating Reserve
4.7 months Adequate
Net assets / monthly expenses
Year-over-Year Change
Revenue ↑ 29.8%
Expenses ↓ 10.9%
Revenue Sources
Contributions 88.7% Earned revenue 9.1% Investment 2.2%
Expense Breakdown
Program 72.0% Management 24.4% Fundraising 3.6%

Officers & Trustees (24)

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Filing History (8 filings)

YearRevenueExpensesNet Assets
2024 990 - Public charity return
Oct 1, 2024 to Sep 30, 2025
$6,542,718 ↑$7,151,603$2,784,866
2023 990 - Public charity return
Oct 1, 2023 to Sep 30, 2024
$5,041,106 ↑$8,027,212$3,393,751
2022 990 - Public charity return
Oct 1, 2022 to Sep 30, 2023
$3,481,390 ↓$9,064,540$6,614,742
2021 990 - Public charity return
Oct 1, 2021 to Sep 30, 2022
$13,919,870 ↑$8,107,738$12,188,933
2020 990 - Public charity return
Oct 1, 2020 to Sep 30, 2021
$8,536,862 ↑$8,650,547$6,391,470
2019 990 - Public charity return
Oct 1, 2019 to Sep 30, 2020
$7,141,540 ↓$8,138,472$6,808,703
2018 990 - Public charity return
Oct 1, 2018 to Sep 30, 2019
$9,579,944 ↑$7,669,893$7,813,720
2017 990 - Public charity return
Oct 1, 2017 to Sep 30, 2018
$5,912,151 $6,537,871$5,486,321

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EIN: 22-3098727 · Source: IRS Form 990 e-file data