Nonprofit · EIN 20-4709458
AGATHE M COSTA CHARITABLEFOUNDATION INC
Tax-exempt · JOHNS ISLAND, SC 29455
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $2,815 | $6,705 | -$3,890 | $117,986 | $0 | $117,986 |
| December 31, 2024 | 990-PF | $3,626 | $3,806 | -$180 | $121,876 | $0 | $121,876 |
| December 31, 2023 | 990-PF | $3,409 | $3,366 | $43 | $122,056 | $0 | $122,056 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $2,815
Expenses
- Grants and similar amounts paid
- $5,000
- Disbursements for charitable purposes
- $5,000
- Excise tax on investment income
- $15
Balance sheet and other
- Total assets, start of year
- $121,876
- Total assets, end of year
- $117,986
- Total liabilities, end of year
- $0
- Net assets, end of year
- $117,986
- Fair market value of assets
- $89,864
- Qualifying distributions
- $5,000
- Net investment income
- $2,815
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 |
|---|---|---|---|
| CATHERINE CONWAY 1 BAYBERRY ROAD, ISLIP, NY 11751 | President | 0 | $0 |
| PETER PATRICK COSTA 2725 STARFISH DRIVE, JOHNS ISLAND, SC 29455 | Treasurer | 2 | $0 |
| ALEX CONWAY 1 BAYBERRY ROAD, ISLIP, NY 11751 | Secretary | 0 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CATHERINE CONWAY 1 BAYBERRY ROAD, ISLIP, NY 11751 | President | 0 | $0 |
| PETER PATRICK COSTA PO BOX 486, QUOGUE, NY 11959 | Treasurer | 2 | $0 |
| ALEX CONWAY 1 BAYBERRY ROAD, ISLIP, NY 11751 | Secretary | 0 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PETER PATRICK COSTA 1884 MUTTONTOWN ROAD, MUTTONTOWN, NY 11791 | Treasurer | 2 | $1,000 |
| CATHERINE CONWAY 1 BAYBERRY ROAD, ISLIP, NY 11751 | President | 0 | $0 |
| ALEX CONWAY 1 BAYBERRY ROAD, ISLIP, NY 11751 | Secretary | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 2725 STARFISH DR, JOHNS ISLAND, SC 29455-8632
- In care of
- % FRANK COSTA
- Signed the 990-PF
- PETER PATRICK COSTA, Vice President
- Phone
- (631) 786-0365
- Return prepared by
- Piccirillo Lamont & Giammarese LLP
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
- 20-4709458
- 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
- 2006
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $117,986
- Income (IRS master file)
- $2,815
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $2,815 | $6,705 | $117,986 | IRS |
| 990-PF | December 2024 | $3,626 | $3,806 | $121,876 | IRS |
| 990-PF | December 2023 | $3,409 | $3,366 | $122,056 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | 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 20-4709458).
Questions about AGATHE M COSTA CHARITABLEFOUNDATION INC
- What is the EIN of AGATHE M COSTA CHARITABLEFOUNDATION INC?
- The employer identification number (EIN) of AGATHE M COSTA CHARITABLEFOUNDATION INC is 20-4709458.
- Is AGATHE M COSTA CHARITABLEFOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
- Are donations to AGATHE M COSTA CHARITABLEFOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does AGATHE M COSTA CHARITABLEFOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of AGATHE M COSTA CHARITABLEFOUNDATION 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 AGATHE M COSTA CHARITABLEFOUNDATION INC 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 AGATHE M COSTA CHARITABLEFOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does AGATHE M COSTA CHARITABLEFOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $2,815, expenses of $6,705 and total assets of $117,986 at year end.
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