Nonprofit · EIN 11-6035631
EAST HAMPTON HISTORICAL SOCIETY INC
Tax-exempt · EAST HAMPTON, NY 11937
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $8,639,149 | $977,609 | $7,661,540 | $11,177,030 | $205,318 | $10,971,712 |
| December 31, 2024 | 990 | $1,003,059 | $825,126 | $177,933 | $4,470,213 | $104,073 | $4,366,140 |
| December 31, 2023 | 990 | $1,114,544 | $897,218 | $217,326 | $4,079,107 | $105,617 | $3,973,490 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $7,039,321
- of which government grants
- $110,500
- Program service revenue
- $43,935
- Investment income
- $1,519,719
- Net rental income
- $40,700
- Net gain from sales of assets
- $1,453,744
- Net income from fundraising events
- -$4,526
- Other revenue
- $36,174
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $134,160
- Other salaries and wages
- $247,838
- Salaries, compensation and benefits (total)
- $446,127
- Professional fundraising fees
- $0
- Legal fees
- $5,321
- Accounting fees
- $44,740
- Occupancy
- $80,890
- Travel
- $1,874
- Depreciation
- $177,624
- Program services (functional)
- $712,684
- Management and general (functional)
- $164,793
- Fundraising (functional)
- $100,132
Balance sheet and other
- Total assets, start of year
- $4,470,213
- Total assets, end of year
- $11,177,030
- Total liabilities, end of year
- $205,318
- Net assets, end of year
- $10,971,712
- Land, buildings and equipment
- $6,746,586
- Publicly traded securities
- $3,702,773
- Net assets without donor restrictions
- $7,150,143
- Net assets with donor restrictions
- $3,821,569
- Gross receipts
- $9,670,914
- Employees
- 13
- Volunteers
- 23
- Year formed
- 1921
- State of legal domicile
- NY
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| STEPHEN LONG | EXECUTIVE DIRECTOR | 40 | $134,160 |
| LINDA WILLETT | Trustee Trustee or director | 0 | $0 |
| KAY ALLAIRE | Trustee Trustee or director | 1 | $0 |
| AMY TARR | Trustee Trustee or director | 1 | $0 |
| JAMES WILLIAM BLAUVELT | Trustee Trustee or director | 1 | $0 |
| MARIAH WHITMORE | Trustee Trustee or director | 1 | $0 |
| CAROLYN BRODY | Trustee Trustee or director | 1 | $0 |
| ANDREW A DAVIS | Vice President Trustee or director, Officer | 1 | $0 |
| DEBRA DRUKER | President Trustee or director, Officer | 2 | $0 |
| HOLLIS FORBES | Trustee Trustee or director | 1 | $0 |
| DORIAN FUHRMAN | Trustee Trustee or director | 1 | $0 |
| PAIGE DALY | Trustee Trustee or director | 1 | $0 |
| SANDRA MAYZAW LWIN | Trustee Trustee or director | 1 | $0 |
| RAY HARDEN | Trustee Trustee or director | 2 | $0 |
| MICHAEL CLIFFORD | Trustee Trustee or director | 1 | $0 |
9 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DALE ELLEN LEFF | Trustee Trustee or director | 1 | $0 |
| LEAH LEBEC | Trustee Trustee or director | 1 | $0 |
| SARAH WETENHALL | Trustee Trustee or director | 1 | $0 |
| LYSBETH MARIGOLD | Secretary Trustee or director, Officer | 1 | $0 |
| JACKIE MITCHELL | Trustee Trustee or director | 1 | $0 |
| FRANK NEWBOLD | Trustee Trustee or director | 2 | $0 |
| ANNE SHEAN | Treasurer Trustee or director, Officer | 2 | $0 |
| BRUCE SISKA | Trustee Trustee or director | 1 | $0 |
| NEIDE VALEIRA | Trustee Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 23 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| STEPHEN LONG | EXECUTIVE DIRECTOR | 40 | $139,300 |
| LINDA WILLETT | Trustee Trustee or director | 0 | $0 |
| KAY ALLAIRE | Trustee Trustee or director | 1 | $0 |
| AMY TARR | Trustee Trustee or director | 1 | $0 |
| JAMES WILLIAM BLAUVELT | Trustee Trustee or director | 1 | $0 |
| DORIS MEISTER | Trustee Trustee or director | 1 | $0 |
| ANDREW A DAVIS | Vice President Trustee or director, Officer | 1 | $0 |
| DEBRA DRUKER | President Trustee or director, Officer | 2 | $0 |
| HOLLIS FORBES | Trustee Trustee or director | 1 | $0 |
| DORIAN FUHRMAN | Trustee Trustee or director | 1 | $0 |
| PAIGE DALY | Trustee Trustee or director | 1 | $0 |
| SANDRA MAYZAW LWIN | Trustee Trustee or director | 1 | $0 |
| RAY HARDEN | Trustee Trustee or director | 2 | $0 |
| MICHAEL CLIFFORD | Trustee Trustee or director | 1 | $0 |
| DALE ELLEN LEFF | Trustee Trustee or director | 1 | $0 |
| LEAH LEBEC | Trustee Trustee or director | 1 | $0 |
| SARAH WETENHALL | Trustee Trustee or director | 1 | $0 |
| LYSBETH MARIGOLD | Secretary Trustee or director, Officer | 1 | $0 |
| JACKIE MITCHELL | Trustee Trustee or director | 1 | $0 |
| FRANK NEWBOLD | Trustee Trustee or director | 2 | $0 |
| ANNE SHEAN | Treasurer Trustee or director, Officer | 2 | $0 |
| BRUCE SISKA | Trustee Trustee or director | 1 | $0 |
| NEIDE VALEIRA | Trustee Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 25 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| STEPHEN LONG | EXECUTIVE DIRECTOR | 40 | $144,792 |
| BRIAN ANDERSON | Trustee Trustee or director | 1 | $0 |
| JOSEPH AVERSANO | Trustee Trustee or director | 1 | $0 |
| JAMES WILLIAM BLAUVELT | Trustee Trustee or director | 1 | $0 |
| JAMES W BROOKS | Trustee Trustee or director | 1 | $0 |
| DORIS MEISTER | Trustee Trustee or director | 1 | $0 |
| KEN COLLUM | Trustee Trustee or director | 1 | $0 |
| ANDREW A DAVIS | Trustee Trustee or director | 1 | $0 |
| MARJORIE DIAMOND | Trustee Trustee or director | 1 | $0 |
| DEBRA DRUKER | Vice President Trustee or director, Officer | 1 | $0 |
| HOLLIS FORBES | Trustee Trustee or director | 1 | $0 |
| DORIAN FUHRMAN | Trustee Trustee or director | 1 | $0 |
| PAIGE DALY | Trustee Trustee or director | 1 | $0 |
| ARTHUR GRAHAM | Trustee Trustee or director | 1 | $0 |
| RAY HARDEN | Trustee Trustee or director | 1 | $0 |
| CATHY HUMPHREY | Secretary Trustee or director, Officer | 1 | $0 |
| DALE ELLEN LEFF | Trustee Trustee or director | 1 | $0 |
| LEAH LEBEC | Trustee Trustee or director | 1 | $0 |
| HILARY OSBORN MALECKI | President Trustee or director, Officer | 1 | $0 |
| LYSBETH MARIGOLD | Trustee Trustee or director | 1 | $0 |
| JACKIE MITCHELL | Trustee Trustee or director | 1 | $0 |
| FRANK NEWBOLD | Trustee Trustee or director | 1 | $0 |
| ANNE SHEAN | Treasurer Trustee or director, Officer | 1 | $0 |
| BRUCE SISKA | Trustee Trustee or director | 1 | $0 |
| NEIDE VALEIRA | Trustee Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 151 MAIN ST, EAST HAMPTON, NY 11937-2716
- Signed the 990
- ANNE SHEAN, Treasurer
- Phone
- (631) 324-6850
- Website
- WWW.EASTHAMPTONHISTORY.ORG
- Return prepared by
- Baldessari & Coster LLP
Mission
THE EAST HAMPTON HISTORICAL SOCIETY SERVES THE RESIDENTS AND VISITORS OF EAST HAMPTON BY COLLECTING, PRESERVING, PRESENTING, AND INTERPRETING THE MATERIAL, CULTURAL, AND ECONOMIC HERITAGE OF THE TOWN AND ITS SURROUNDINGS.
Program accomplishments
- TO DISSEMINATE HISTORICAL KNOWLEDGE THROUGH MUSEUM EXHIBITIONS, TO COLLECT AND PRESERVE HISTORICAL STRUCTURES, ARTIFACTS OF HISTORICAL INTEREST AND WORKS OF ART RELATED TO LONG ISLAND IN GENERAL AND THE TOWN OF EAST HAMPTON IN PARTICULAR.Expenses $553,685
- TO DISSEMINATE HISTORICAL KNOWLEDGE THROUGH VARIOUS EDUCATIONAL ACTIVITIES.Expenses $158,999
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 11-6035631
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1949
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $11,177,030
- Income (IRS master file)
- $9,670,914
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $8,639,149 | $977,609 | $11,177,030 | XML |
| 990 | December 2024 | $1,003,059 | $825,126 | $4,470,213 | XML |
| 990 | December 2023 | $1,114,544 | $897,218 | $4,079,107 | XML |
| 990 | December 2022 | $985,044 | $754,247 | $3,562,603 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 11-6035631).
Questions about EAST HAMPTON HISTORICAL SOCIETY INC
- What is the EIN of EAST HAMPTON HISTORICAL SOCIETY INC?
- The employer identification number (EIN) of EAST HAMPTON HISTORICAL SOCIETY INC is 11-6035631.
- Is EAST HAMPTON HISTORICAL SOCIETY INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1949.
- Are donations to EAST HAMPTON HISTORICAL SOCIETY INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does EAST HAMPTON HISTORICAL SOCIETY INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of EAST HAMPTON HISTORICAL SOCIETY INC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did EAST HAMPTON HISTORICAL SOCIETY INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of EAST HAMPTON HISTORICAL SOCIETY INC?
- The 990 for the year ended December 31, 2025 lists 24 people; 1 received compensation from the organization, the highest $134,160 (STEPHEN LONG, EXECUTIVE DIRECTOR).
- How much revenue does EAST HAMPTON HISTORICAL SOCIETY INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $8,639,149, expenses of $977,609 and total assets of $11,177,030 at year end.
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