Nonprofit · EIN 84-3901549
HARRY F MARIANI FAMILY FOUNDATION
Tax-exempt · LOCUST VALLEY, NY 11560
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $432,453 | $314,130 | $118,323 | $5,781,503 | $0 | $5,781,503 |
| December 31, 2024 | 990-PF | $204,144 | $238,489 | -$34,345 | $5,663,180 | $0 | $5,663,180 |
| December 31, 2023 | 990-PF | $173,668 | $275,392 | -$101,724 | $5,697,947 | $422 | $5,697,525 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $146,395
- Net gain from sales of assets
- $286,058
Expenses
- Grants and similar amounts paid
- $272,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $292,879
- Excise tax on investment income
- $5,745
Balance sheet and other
- Total assets, start of year
- $5,663,180
- Total assets, end of year
- $5,781,503
- Total liabilities, end of year
- $0
- Net assets, end of year
- $5,781,503
- Fair market value of assets
- $6,763,633
- Qualifying distributions
- $292,879
- Net investment income
- $432,453
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES W MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR/SEC./TREAS. | 1 | $0 |
| VIRGINIA A MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
| KATHRYN MARIANI ALTEMUS PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
| JOHN C MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES W MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR/SEC./TREAS. | 1 | $0 |
| VIRGINIA A MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
| KATHRYN MARIANI ALTEMUS PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
| JOHN C MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES W MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR/SEC./TREAS. | 1 | $0 |
| VIRGINIA A MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
| KATHRYN MARIANI ALTEMUS PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
| JOHN C MARIANI PO BOX 446, LOCUST VALLEY, NY 11560 | DIRECTOR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 446, LOCUST VALLEY, NY 11560-0446
- In care of
- % JAMES W MARIANI
- Signed the 990-PF
- JAMES W MARIANI, DIRECTOR
- Phone
- (516) 277-2107
- Return prepared by
- CIRCUMFERENCE FS USA INC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 84-3901549
- 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
- 2020
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $5,781,503
- Income (IRS master file)
- $1,230,383
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $432,453 | $314,130 | $5,781,503 | XML |
| 990-PF | December 2024 | $204,144 | $238,489 | $5,663,180 | XML |
| 990-PF | December 2023 | $173,668 | $275,392 | $5,697,947 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | 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 84-3901549).
Questions about HARRY F MARIANI FAMILY FOUNDATION
- What is the EIN of HARRY F MARIANI FAMILY FOUNDATION?
- The employer identification number (EIN) of HARRY F MARIANI FAMILY FOUNDATION is 84-3901549.
- Is HARRY F MARIANI FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to HARRY F MARIANI FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does HARRY F MARIANI FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of HARRY F MARIANI FAMILY FOUNDATION 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 HARRY F MARIANI FAMILY FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of HARRY F MARIANI FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does HARRY F MARIANI FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $432,453, expenses of $314,130 and total assets of $5,781,503 at year end.
Other nonprofits in LOCUST VALLEY
- ALEXANDER M LEWYT AND ELISABETH LEWYT WHOLLY CHARITABLE TR EIN 47-7038614 · last filed 990-PF for 2024
- JOHN AND JOAN DADDARIO FOUNDATION INC EIN 11-3440873 · last filed 990-PF for 2025
- FRANK AND JANET DELLAFERA FAMILY FOUNDATION TR EIN 46-6462018 · last filed 990-PF for 2025
- SHARMA FAMILY FOUNDATION INC EIN 88-4171094 · last filed 990-PF for 2024
- JAMES M LARGE JR FAMILY FOUNDATION EIN 11-3382951 · last filed 990-PF for 2025
- MICHAEL AND RUTH SLADE FOUNDATION EIN 11-3478088 · last filed 990-PF for 2024
- GERALD P & CAROL D HALPERN FOUNDATION TRUST EIN 11-6569810 · last filed 990-PF for 2025
- FAROOQ FAMILY FOUNDATION INC EIN 87-1780247 · last filed 990-PF for 2024
All nonprofits in LOCUST VALLEY · New York · Philanthropy, voluntarism and grantmaking foundations