East Hampton Historical Society Inc
501(c)(3) Donations tax-deductible
Only null% goes to programs Strong reserves Growing revenue
East Hampton Historical Society Inc is a 501(c)(3) organization based in East Hampton, New York, registered in 1949, with $1,003,059 in FY2024 revenue. CharityIndex grades it B.
151 Main St, East Hampton, NY, 11937 EIN 11-6035631 Since 1949
Revenue (FY2024)
$1.0M
▼ 10.0% vs prior year
Expenses (FY2024)
$825K
Net assets
$4.4M
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
B
—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for East Hampton Historical Society Inc— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
B+Financial health25% of the rating63 mo reserves · +18% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For East Hampton Historical Society Inc: 63 mo reserves · +18% margin earns a B+ on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for East Hampton Historical Society Inc— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
CTransparency10% of the rating2 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For East Hampton Historical Society Inc: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Contact & location
- Address
- 151 Main St, East Hampton, NY, 11937
- City
- East Hampton
- State
- New York
- Category
- —
- Subcategory
- —
- Website
- …
Financial trends
Revenue grew from $398K (FY2014) to $1.0M (FY2024) across 11 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $104KNet assets $4.4M
Operating margin
17.7%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$4.5M
Total liabilities
$104K
Net assets
$4.4M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $1,003,059▼10.0% | $825,126▼8.0% | $4,366,140▲9.9% | $4,470,213▲9.6% | 990 |
| 2023 | $1,114,544▲13.1% | $897,218▲19.0% | $3,973,490▲15.9% | $4,079,107▲14.5% | 990 |
| 2022 | $985,044▲68.2% | $754,247▼18.6% | $3,427,222▼11.4% | $3,562,603▼13.2% | 990 |
| 2021 | $585,706▼20.2% | $926,207▲40.0% | $3,866,146▼3.6% | $4,103,195▼0.8% | 990 |
| 2020 | $734,210▲0.8% | $661,481▼4.7% | $4,009,652▲1.5% | $4,137,766▲3.1% | 990 |
| 2019 | $728,044▲31.6% | $694,291▲23.6% | $3,948,609▲8.6% | $4,013,765▲8.3% | 990 |
| 2018 | $553,414▼45.7% | $561,498▼40.2% | $3,634,465▼1.4% | $3,705,559▼0.9% | 990 |
| 2017 | $1,019,063▲9.1% | $938,326▲105% | $3,686,062▲8.4% | $3,740,403▲8.6% | 990 |
| 2016 | $933,982▲93.4% | $456,865▼2.4% | $3,399,327▲20.6% | $3,442,710▲20.1% | 990 |
| 2015 | $482,917▲21.4% | $468,226▼8.5% | $2,817,597▼3.2% | $2,867,381▼4.0% | 990 |
| 2014 | $397,914 | $511,936 | $2,909,990 | $2,985,444 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Grants received · $589K total
21 grants to East Hampton Historical Society Inc totaling $589K, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2023 | $57,550 |
| Communities Foundation of Texas | This grant is designated for general support. | 2023 | $30,000 |
| National Trust For Historic Preservation In the United States | Historic preservation | 2023 | $17,925 |
| Vanguard Charitable Endowment Program | For recipient's exempt purpose | 2023 | $11,500 |
| National Philanthropic Tr | Culture & arts | 2022 | $50,250 |
| Communities Foundation of Texas | This grant is designated for general support. | 2022 | $50,000 |
| Vanguard Charitable Endowment Program | For recipient's exempt purpose | 2022 | $7,500 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2022 | $6,870 |
| American Endowment Foundation | General operating support | 2022 | $5,000 |
| Communities Foundation of Texas | This grant is designated for general support. | 2021 | $50,000 |
| National Philanthropic Tr | Culture & arts | 2021 | $50,000 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2020 | $27,150 |
| Communities Foundation of Texas | This grant is designated for general support. | 2020 | $25,000 |
| Communities Foundation of Texas | This grant is designated for general support. | 2020 | $25,000 |
| National Philanthropic Tr | Culture & arts | 2020 | $6,500 |
Frequently asked questions
- Is East Hampton Historical Society Inc a legitimate nonprofit?
- Yes. East Hampton Historical Society Inc is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 11-6035631, based in East Hampton, New York. Donations are tax-deductible.
- What is East Hampton Historical Society Inc's EIN?
- East Hampton Historical Society Inc's Employer Identification Number (EIN) is 11-6035631.
- How much revenue does East Hampton Historical Society Inc report?
- East Hampton Historical Society Inc reported $1,003,059 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does East Hampton Historical Society Inc have?
- CharityIndex grades East Hampton Historical Society Inc B, based on financial health (reserves and operating margin).
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Data for East Hampton Historical Society Inc (EIN 11-6035631) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.