Nonprofit · EIN 68-0344239
SIEBEL FAMILY CHARITABLE FOUNDATION
Tax-exempt · ROSS, CA 94957
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $179,267 | $93,237 | $86,030 | $568,345 | $0 | $568,345 |
| December 31, 2024 | 990-PF | $22,489 | $37,125 | -$14,636 | $482,635 | $0 | $482,635 |
| December 31, 2023 | 990-PF | $19,235 | $50,425 | -$31,190 | $498,626 | $1,000 | $497,626 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $17,144
- Interest
- $7
- Net gain from sales of assets
- $162,116
Expenses
- Grants and similar amounts paid
- $87,500
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $87,501
- Excise tax on investment income
- $2,492
Balance sheet and other
- Total assets, start of year
- $482,635
- Total assets, end of year
- $568,345
- Total liabilities, end of year
- $0
- Net assets, end of year
- $568,345
- Fair market value of assets
- $595,661
- Qualifying distributions
- $87,501
- Net investment income
- $179,267
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 |
|---|---|---|---|
| KENNETH F SIEBEL PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | PRESIDENT | 0 | $0 |
| JUDY A SIEBEL PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | TREASURER | 0 | $0 |
| JENNIFER SIEBEL NEWSOM PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
| BROOKE S MITCHELL PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
| MELISSA A SIEBEL SCHILLER PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
| JESSICA SIEBEL GRUSS PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KENNETH F SIEBEL PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | PRESIDENT | 0 | $0 |
| JUDY A SIEBEL PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | TREASURER | 0 | $0 |
| JENNIFER SIEBEL NEWSOM PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
| BROOKE S MITCHELL PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
| MELISSA A SIEBEL SCHILLER PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
| JESSICA SIEBEL GRUSS PO BOX 218 81 FERNHILL AVE, ROSS, CA 94957 | DIRECTOR | 0 | $0 |
990-PF for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KENNETH F SIEBEL 591 REDWOOD HIGHWAY SUITE 3210, MILL VALLEY, CA 94941 | PRESIDENT | 0 | $0 |
| JUDY A SIEBEL 591 REDWOOD HIGHWAY SUITE 3210, MILL VALLEY, CA 94941 | TREASURER | 0 | $0 |
| JENNIFER SIEBEL NEWSOM 591 REDWOOD HIGHWAY SUITE 3210, MILL VALLEY, CA 94941 | DIRECTOR | 0 | $0 |
| BROOKE S MITCHELL 591 REDWOOD HIGHWAY SUITE 3210, MILL VALLEY, CA 94941 | DIRECTOR | 0 | $0 |
| MELISSA A SIEBEL SCHILLER 591 REDWOOD HIGHWAY SUITE 3210, MILL VALLEY, CA 94941 | DIRECTOR | 0 | $0 |
| JESSICA SIEBEL GRUSS 591 REDWOOD HIGHWAY SUITE 3210, MILL VALLEY, CA 94941 | DIRECTOR | 0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 218, ROSS, CA 94957-0218
- In care of
- % KENNETH F SIEBEL PRES
- Signed the 990-PF
- KENNETH F SIEBEL, PRESIDENT
- Phone
- (415) 461-3850
- Return prepared by
- CBIZ ADVISORS LLC
California records
California keeps its own records of charities and corporations. Search them by EIN 68-0344239 or by the name SIEBEL FAMILY CHARITABLE FOUNDATION.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
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
- 68-0344239
- 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
- 1995
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T99Z)
- Assets (IRS master file)
- $568,345
- Income (IRS master file)
- $432,342
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $179,267 | $93,237 | $568,345 | IRS |
| 990-PF | December 2024 | $22,489 | $37,125 | $482,635 | IRS |
| 990-PF | December 2023 | $19,235 | $50,425 | $498,626 | 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 68-0344239).
Questions about SIEBEL FAMILY CHARITABLE FOUNDATION
- What is the EIN of SIEBEL FAMILY CHARITABLE FOUNDATION?
- The employer identification number (EIN) of SIEBEL FAMILY CHARITABLE FOUNDATION is 68-0344239.
- Is SIEBEL FAMILY CHARITABLE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
- Are donations to SIEBEL FAMILY CHARITABLE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does SIEBEL FAMILY CHARITABLE FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of SIEBEL FAMILY CHARITABLE 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 SIEBEL FAMILY CHARITABLE 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 SIEBEL FAMILY CHARITABLE FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does SIEBEL FAMILY CHARITABLE FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $179,267, expenses of $93,237 and total assets of $568,345 at year end.
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