Nonprofit · EIN 99-3543205
OBSERVATORY HILL FOUNDATION
Tax-exempt · BOSTON, MA 02109
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990-PF | $20,703,047 | $1,448 | $20,701,599 | $55,521,615 | $0 | $55,521,615 |
| August 31, 2024 | 990-PF | $33,738,169 | $0 | $33,738,169 | $33,738,169 | $0 | $33,738,169 |
Financial details: 990-PF for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $20,578,967
- Dividends
- $99,222
- Interest
- $14,839
- Net rental income
- $1,081,847
- Net gain from sales of assets
- $10,019
Expenses
- Grants and similar amounts paid
- $0
- Excise tax on investment income
- $1,705
Balance sheet and other
- Total assets, start of year
- $33,738,169
- Total assets, end of year
- $55,521,615
- Total liabilities, end of year
- $0
- Net assets, end of year
- $55,521,615
- Fair market value of assets
- $57,080,115
- Net investment income
- $124,082
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-PF for the year ended August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEROLD S KAYDEN 150 EAST 52ND STREET STE 5003, NEW YORK, NY 10022 | PRESIDENT | 2 | $0 |
| STEPHANIE KAYDEN 150 EAST 52ND STREET STE 5003, NEW YORK, NY 10022 | TREASURER | 1 | $0 |
990-PF for the year ended August 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEROLD S KAYDEN c/o GOULSTON STORRS PC ONE POST OFF, BOSTON, MA 02109 | PRESIDENT | 2 | $0 |
| STEPHANIE KAYDEN c/o GOULSTON STORRS PC ONE POST OFF, BOSTON, MA 02109 | TREASURER | 1 | $0 |
Address and contacts
- Address (IRS master file)
- C/O GOULSTON STORRS PC ONE POST OFF, BOSTON, MA 02109-0000
- Signed the 990-PF
- JEROLD S KAYDEN, PRESIDENT
- Phone
- (617) 482-1776
- Return prepared by
- B RAVINDRA RAO CPA PC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990-PF on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990-PF on file |
IRS record
- EIN
- 99-3543205
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2025
- Accounting year ends
- August
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $55,521,615
- Income (IRS master file)
- $23,173,047
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | August 2025 | $20,703,047 | $1,448 | $55,521,615 | XML |
| 990-PF | August 2024 | $33,738,169 | $0 | $33,738,169 | XML |
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 99-3543205).
Questions about OBSERVATORY HILL FOUNDATION
- What is the EIN of OBSERVATORY HILL FOUNDATION?
- The employer identification number (EIN) of OBSERVATORY HILL FOUNDATION is 99-3543205.
- Is OBSERVATORY HILL FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to OBSERVATORY HILL FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does OBSERVATORY HILL FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of OBSERVATORY HILL FOUNDATION due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did OBSERVATORY HILL FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended August 2025.
- Who are the officers and directors of OBSERVATORY HILL FOUNDATION?
- The 990-PF for the year ended August 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does OBSERVATORY HILL FOUNDATION have?
- On its 990-PF for the year ended August 31, 2025 it reported revenue of $20,703,047, expenses of $1,448 and total assets of $55,521,615 at year end.
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All nonprofits in BOSTON · Massachusetts · Philanthropy, voluntarism and grantmaking foundations