Nonprofit · EIN 13-2625602
GENERAL WILLIAM MAYER FOUNDATION INC
Tax-exempt · WEST HARTFORD, CT 06107
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $231,555 | $140,299 | $91,256 | $1,970,924 | $0 | $1,970,924 |
| December 31, 2024 | 990-PF | $124,120 | $156,822 | -$32,702 | $1,879,668 | $0 | $1,879,668 |
| December 31, 2023 | 990-PF | $106,580 | $165,866 | -$59,286 | $1,912,370 | $0 | $1,912,370 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $74,576
- Net gain from sales of assets
- $156,979
Expenses
- Grants and similar amounts paid
- $96,000
- Compensation of officers, directors and key employees
- $5,390
- Disbursements for charitable purposes
- $112,864
- Excise tax on investment income
- $2,837
Balance sheet and other
- Total assets, start of year
- $1,879,668
- Total assets, end of year
- $1,970,924
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,970,924
- Fair market value of assets
- $3,486,197
- Qualifying distributions
- $112,864
- Net investment income
- $231,555
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 |
|---|---|---|---|
| Deborah M O'Brien C/O PO Box 372, Mystic, CT 06355 | President | 2.45 | $4,462 |
| Cathey M Kennedy C/O PO Box 372, Mystic, CT 06355 | Secretary | 0.51 | $928 |
| Edward F Krzanowski C/O PO Box 372, Mystic, CT 06355 | Treasurer | 0.21 | $0 |
| Cynthia M Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Daniel P Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Edward P Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Thomas G Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| G Reed Kennedy C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Elisabeth W Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Gerald G Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.15 | $0 |
| William H Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| James N P O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Lauren M F O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Timothy G F O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
990-PF for the year ended December 31, 2024: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Deborah M O'Brien C/O PO Box 372, Mystic, CT 06355 | President | 2.55 | $4,638 |
| Cathey M Kennedy C/O PO Box 372, Mystic, CT 06355 | Secretary | 0.57 | $1,032 |
| Edward F Krzanowski C/O PO Box 372, Mystic, CT 06355 | Treasurer | 0.21 | $0 |
| Cynthia M Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Daniel P Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Edward P Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Thomas G Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| G Reed Kennedy C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Elisabeth W Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Gerald G Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.15 | $0 |
| William H Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| James N P O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Lauren M F O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
| Timothy G F O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.12 | $0 |
990-PF for the year ended December 31, 2023: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Deborah M O'Brien C/O PO Box 372, Mystic, CT 06355 | President | 2.38 | $3,850 |
| Cathey M Kennedy C/O PO Box 372, Mystic, CT 06355 | Secretary | 0.77 | $919 |
| Daniel P Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.37 | $420 |
| Gerald G Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.27 | $245 |
| Edward F Krzanowski C/O PO Box 372, Mystic, CT 06355 | Treasurer | 0.27 | $0 |
| Cynthia M Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| Edward P Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| Thomas G Benfield C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| G Reed Kennedy C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| Elisabeth W Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| William H Mayer C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| James N P O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| Lauren M F O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
| Timothy G F O'Brien C/O PO Box 372, Mystic, CT 06355 | Vice President | 0.17 | $0 |
Address and contacts
- Address (IRS master file)
- C/O EDWARD F KRZANOWSKI 75 ISHAM RO, WEST HARTFORD, CT 06107-0000
- In care of
- % GRABER LLC
- Signed the 990-PF
- Edward F Krzanowski, Treasurer
- Phone
- (860) 313-5729
- Return prepared by
- Bayside CPA PLLC
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
- 13-2625602
- 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
- 1969
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $1,970,924
- Income (IRS master file)
- $703,366
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $231,555 | $140,299 | $1,970,924 | IRS |
| 990-PF | December 2024 | $124,120 | $156,822 | $1,879,668 | IRS |
| 990-PF | December 2023 | $106,580 | $165,866 | $1,912,370 | 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 13-2625602).
Questions about GENERAL WILLIAM MAYER FOUNDATION INC
- What is the EIN of GENERAL WILLIAM MAYER FOUNDATION INC?
- The employer identification number (EIN) of GENERAL WILLIAM MAYER FOUNDATION INC is 13-2625602.
- Is GENERAL WILLIAM MAYER FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1969.
- Are donations to GENERAL WILLIAM MAYER FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does GENERAL WILLIAM MAYER FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of GENERAL WILLIAM MAYER FOUNDATION 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 GENERAL WILLIAM MAYER FOUNDATION 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 GENERAL WILLIAM MAYER FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 14 people; 2 received compensation from the organization, the highest $4,462 (Deborah M O'Brien, President).
- How much revenue does GENERAL WILLIAM MAYER FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $231,555, expenses of $140,299 and total assets of $1,970,924 at year end.
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