Nonprofit · EIN 47-4622631
KALONYMUS FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94111
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $1,067,251 | $267,370 | $799,881 | $4,302,845 | $0 | $4,302,845 |
| December 31, 2023 | 990-PF | $463,706 | $177,770 | $285,936 | $3,498,669 | $0 | $3,498,669 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $585,944
- Dividends
- $195,410
- Interest
- $4
- Net gain from sales of assets
- $283,685
- Other income
- $2,208
Expenses
- Grants and similar amounts paid
- $163,276
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $163,276
- Excise tax on investment income
- $5,223
Balance sheet and other
- Total assets, start of year
- $3,498,669
- Total assets, end of year
- $4,302,845
- Total liabilities, end of year
- $0
- Net assets, end of year
- $4,302,845
- Fair market value of assets
- $4,932,920
- Qualifying distributions
- $163,276
- Net investment income
- $479,100
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RON D ZEFF 1000 SANSOME STREET 180, SAN FRANCISCO, CA 94111 | PRESIDENT, TREASURER AND D | 1 | $0 |
| MAXIMILIAN M ZEFF 1000 SANSOME STREET 180, SAN FRANCISCO, CA 94111 | SECRETARY | 1 | $0 |
990-PF for the year ended December 31, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RON D ZEFF 1000 SANSOME STREET 180, SAN FRANCISCO, CA 94111 | PRESIDENT, TREASURER AND D | 1 | $0 |
| MAXIMILIAN M ZEFF 1000 SANSOME STREET 180, SAN FRANCISCO, CA 94111 | SECRETARY | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1000 SANSOME ST STE 180, SAN FRANCISCO, CA 94111-1327
- In care of
- % RON D ZEFF
- Signed the 990-PF
- RON ZEFF, PRESIDENT
- Phone
- (415) 231-0107
- Return prepared by
- TAFT STETTINIUS & HOLLISTER 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 | Not 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
- 47-4622631
- 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
- 2017
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $4,302,845
- Income (IRS master file)
- $2,993,853
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | – | – | – | IRS |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $463,706 | $177,770 | $3,498,669 | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about KALONYMUS FOUNDATION
- What is the EIN of KALONYMUS FOUNDATION?
- The employer identification number (EIN) of KALONYMUS FOUNDATION is 47-4622631.
- Is KALONYMUS FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to KALONYMUS FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does KALONYMUS FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of KALONYMUS FOUNDATION due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did KALONYMUS FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of KALONYMUS FOUNDATION?
- The 990-PF for the year ended December 31, 2024 lists 2 people; 0 received compensation from the organization.
- How much revenue does KALONYMUS FOUNDATION have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $1,067,251, expenses of $267,370 and total assets of $4,302,845 at year end.
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