Nonprofit · EIN 27-1747895
DIANA DOLLAR KNOWLES FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94111
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $721,510 | $634,089 | $87,421 | $7,919,814 | $26,900 | $7,892,914 |
| December 31, 2024 | 990-PF | $410,719 | $425,027 | -$14,308 | $7,839,193 | $33,700 | $7,805,493 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $272,060
- Interest
- $32
- Net gain from sales of assets
- $449,418
Expenses
- Grants and similar amounts paid
- $531,504
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $567,545
- Excise tax on investment income
- $9,157
Balance sheet and other
- Total assets, start of year
- $7,839,193
- Total assets, end of year
- $7,919,814
- Total liabilities, end of year
- $26,900
- Net assets, end of year
- $7,892,914
- Fair market value of assets
- $8,691,101
- Qualifying distributions
- $567,545
- Net investment income
- $721,510
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 |
|---|---|---|---|
| HEIDI H CARY 26 WALLENBERG WAY, PETALUMA, CA 94952 | TRUSTEE | 1 | $0 |
| SUSAN S BRIGGS ONE EMBARCADERO CENTER SUITE 2200, SAN FRANCISCO, CA 94111 | TRUSTEE | 1 | $0 |
| HILARY C PIERCE ONE EMBARCADERO CENTER SUITE 2200, SAN FRANCISCO, CA 94111 | TRUSTEE | 1 | $0 |
| JOSEPH C HICKINGBOTHAM IV 641 WINDSOR DRIVE, MENLO PARK, CA 94025 | TRUSTEE | 1 | $0 |
| DARAYN HICKINGBOTHAM 2249 BEACH STREET 2, SAN FRANCISCO, CA 94123 | TRUSTEE | 1 | $0 |
| LESLIE BUERGER 44 VOLKERS DRIVE, PETALUMA, CA 94952 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HEIDI H CARY 26 WALLENBERG WAY, PETALUMA, CA 94952 | TRUSTEE | 1 | $0 |
| SUSAN S BRIGGS ONE EMBARCADERO CENTER SUITE 2200, SAN FRANCISCO, CA 94111 | TRUSTEE | 1 | $0 |
| HILARY C PIERCE ONE EMBARCADERO CENTER SUITE 2200, SAN FRANCISCO, CA 94111 | TRUSTEE | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1 EMBARCADERO CTR STE 2200, SAN FRANCISCO, CA 94111-3711
- Signed the 990-PF
- HEIDI CARY, PRESIDENT
- Phone
- (415) 733-3911
- Return prepared by
- ANDERSEN TAX LLC
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
- 27-1747895
- 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
- 2010
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $7,919,814
- Income (IRS master file)
- $1,879,287
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | – | – | – | IRS |
| 990-PF | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $225,245 | $780,720 | $7,841,801 | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2019 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | 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 DIANA DOLLAR KNOWLES FOUNDATION
- What is the EIN of DIANA DOLLAR KNOWLES FOUNDATION?
- The employer identification number (EIN) of DIANA DOLLAR KNOWLES FOUNDATION is 27-1747895.
- Is DIANA DOLLAR KNOWLES FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
- Are donations to DIANA DOLLAR KNOWLES FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does DIANA DOLLAR KNOWLES FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of DIANA DOLLAR KNOWLES 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 DIANA DOLLAR KNOWLES 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 DIANA DOLLAR KNOWLES FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does DIANA DOLLAR KNOWLES FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $721,510, expenses of $634,089 and total assets of $7,919,814 at year end.
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