Nonprofit · EIN 46-1906423
NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE
Tax-exempt · EAST SETAUKET, NY 11733
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $50,830 | $54,302 | -$3,472 | $36,764 | $0 | $36,764 |
| December 31, 2024 | 990-PF | $49,690 | $54,378 | -$4,688 | $40,236 | $0 | $40,236 |
| December 31, 2023 | 990-PF | $49,240 | $64,991 | -$15,751 | $44,924 | $0 | $44,924 |
| December 31, 2022 | 990-PF | $32,480 | $18,932 | $13,548 | $60,675 | $0 | $60,675 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Other income
- $50,830
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
Balance sheet and other
- Total assets, start of year
- $40,236
- Total assets, end of year
- $36,764
- Total liabilities, end of year
- $0
- Net assets, end of year
- $36,764
- Fair market value of assets
- $36,764
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 |
|---|---|---|---|
| KIMBERLY DWYER 630 HOLLY DRIVE, COMMACK, NY 11725 | PRES | 0 | $0 |
| MOLLY KORN 188 ICELAND DR, HUNTINGTON STA, NY 11746 | VP | 0 | $0 |
| FARREL POWSNER 2641 EAST 64 STREET, BROOKLYN, NY 11234 | VP | 0 | $0 |
| TOM WEISSWANGE 2323 CAMP AVENUE, MERRICK, NY 11566 | VP | 0 | $0 |
| PETER SANTORO PO BOX 438, EAST SETAUKET, NY 11733 | TREASURER | 0 | $0 |
| LEON LASPINA C/O BETHPAGE HIGH SCHOOL CHEERY, STEWART AVENUES, BETHPAGE, NY 11714 | VP | 0 | $0 |
| LISA LEWIS 97 BROOK COURT SOUTH, MANHASSET HILLS, NY 11040 | VP | 0 | $0 |
990-PF for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KIMBERLY DWYER 630 HOLLY DRIVE, COMMACK, NY 11725 | PRES | 0 | $0 |
| MOLLY KORN 188 ICELAND DR, HUNTINGTON STA, NY 11746 | VP | 0 | $0 |
| FARREL POWSNER 2641 EAST 64 STREET, BROOKLYN, NY 11234 | VP | 0 | $0 |
| TOM WEISSWANGE 2323 CAMP AVENUE, MERRICK, NY 11566 | VP | 0 | $0 |
| PETER SANTORO PO BOX 438, EAST SETAUKET, NY 11733 | TREASURER | 0 | $0 |
| LEON LASPINA C/O BETHPAGE HIGH SCHOOL CHEERY, STEWART AVENUES, BETHPAGE, NY 11714 | VP | 0 | $0 |
| LISA LEWIS 97 BROOK COURT SOUTH, MANHASSET HILLS, NY 11040 | VP | 0 | $0 |
990-PF for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER MERLE 83 BROADWAY, WEST HEMPSTEAD, NY 11552 | SECRETARY | 0 | $0 |
| KEVIN MEYERS 6 MOTOR LANE, OLD BETHPAGE, NY 11804 | PRESIDENT | 0 | $0 |
| FARREL POWSNER 2641 EAST 64 STREET, BROOKLYN, NY 11234 | VP | 0 | $0 |
| TOM WEISSWANGE 2323 CAMP AVENUE, MERRICK, NY 11566 | VP | 0 | $0 |
| HELEN OEHRLEIN 48 LITTLEWORTH LANE, SEA CLIFF, NY 11579 | VP | 0 | $0 |
| PETER SANTORO PO BOX 438, EAST SETAUKET, NY 11733 | TREASURER | 0 | $0 |
| LEON LASPINA C/O BETHPAGE HIGH SCHOOL CHEERY, STEWART AVENUES, BETHPAGE, NY 11714 | VP | 0 | $0 |
| LISA LEWIS 97 BROOK COURT SOUTH, MANHASSET HILLS, NY 11040 | VP | 0 | $0 |
990-PF for the year ended December 31, 2022: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER MERLE 83 BROADWAY, WEST HEMPSTEAD, NY 11552 | SECRETARY | 0 | $0 |
| KEVIN MEYERS 6 MOTOR LANE, OLD BETHPAGE, NY 11804 | PRESIDENT | 0 | $0 |
| FARREL POWSNER 2641 EAST 64 STREET, BROOKLYN, NY 11234 | VP | 0 | $0 |
| TOM WEISSWANGE 2323 CAMP AVENUE, MERRICK, NY 11566 | VP | 0 | $0 |
| HELEN OEHRLEIN 48 LITTLEWORTH LANE, SEA CLIFF, NY 11579 | VP | 0 | $0 |
| PETER SANTORO PO BOX 438, EAST SETAUKET, NY 11733 | TREASURER | 0 | $0 |
| LEON LASPINA C/O BETHPAGE HIGH SCHOOL CHEERY, STEWART AVENUES, BETHPAGE, NY 11714 | VP | 0 | $0 |
| LISA LEWIS 97 BROOK COURT SOUTH, MANHASSET HILLS, NY 11040 | VP | 0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 438, EAST SETAUKET, NY 11733-0438
- In care of
- % PETER SANTORO
- Signed the 990-PF
- PETER SANTORO, TREASURER
- Phone
- (631) 457-9973
- Return prepared by
- ELLEN J ZOMBEK CPA
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
- 46-1906423
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private operating foundation
- Donations deductible (Pub 78)
- Private operating foundation, 50% limit
- Exempt since
- 2023
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T23)
- Assets (IRS master file)
- $36,764
- Income (IRS master file)
- $50,830
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $50,830 | $54,302 | $36,764 | IRS |
| 990-PF | December 2024 | $49,690 | $54,378 | $40,236 | IRS |
| 990-PF | December 2023 | $49,240 | $64,991 | $44,924 | XML |
| 990-PF | December 2022 | $32,480 | $18,932 | $60,675 | 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 46-1906423).
Questions about NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE
- What is the EIN of NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE?
- The employer identification number (EIN) of NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE is 46-1906423.
- Is NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
- Are donations to NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE file?
- Form 990-PF. Private foundations file every year.
- When is the next return of NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE 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 NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE 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 NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
- How much revenue does NASSAU COUNTY INTERSCHOLASTIC MATHEMATICS LEAGUE have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $50,830, expenses of $54,302 and total assets of $36,764 at year end.
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