Nonprofit · EIN 94-3412371
YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94103
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $187,154 | $514,010 | -$326,856 | $7,463,206 | $2,746,147 | $4,717,059 |
| December 31, 2024 | 990-PF | $200,077 | $1,506,606 | -$1,306,529 | $6,915,379 | $5,395,474 | $1,519,905 |
| December 31, 2023 | 990-PF (amended) | $219,187 | $1,639,605 | -$1,420,418 | $8,390,152 | $4,037,486 | $4,352,666 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $186,862
Expenses
- Grants and similar amounts paid
- $424,715
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $457,470
- Excise tax on investment income
- $4,275
Balance sheet and other
- Total assets, start of year
- $6,915,379
- Total assets, end of year
- $7,463,206
- Total liabilities, end of year
- $2,746,147
- Net assets, end of year
- $4,717,059
- Fair market value of assets
- $7,463,206
- Qualifying distributions
- $457,470
- Net investment income
- $354,868
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 |
|---|---|---|---|
| YVONNE SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | PRESIDENT, DIRECTOR | 0 | $0 |
| MARIA SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | SECRETARY, DIRECTOR | 0 | $0 |
| SUSAN SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | TREASURER, CFO, DIRECTOR | 0 | $0 |
| ANNE SANGIACOMO KANE 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| MARYANNE SANGIACOMO-IACOMINI 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| SANDRO SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| JAMES SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| MARK SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
990-PF for the year ended December 31, 2024: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| YVONNE SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | PRESIDENT, DIRECTOR | 0 | $0 |
| MARIA SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | SECRETARY, DIRECTOR | 0 | $0 |
| SUSAN SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | TREASURER, CFO, DIRECTOR | 0 | $0 |
| ANNE SANGIACOMO KANE 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| MARYANNE SANGIACOMO-IACOMINI 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| SANDRO SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| JAMES SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| MARK SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
990-PF for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| YVONNE SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | PRESIDENT, DIRECTOR | 0 | $0 |
| MARIA SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | SECRETARY, DIRECTOR | 0 | $0 |
| SUSAN SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | TREASURER, CFO, DIRECTOR | 0 | $0 |
| ANNE SANGIACOMO KANE 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| MARYANNE SANGIACOMO-IACOMINI 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| SANDRO SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| JAMES SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
| MARK SANGIACOMO 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 941031545 | DIRECTOR | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 1145 MARKET STREET 12TH FLOOR, SAN FRANCISCO, CA 94103-1568
- In care of
- % SUSAN SANGIACOMO TREASURER
- Signed the 990-PF
- JAMES SANGIACOMO, DIRECTOR
- Phone
- (415) 575-3315
- Return prepared by
- ANDERSEN TAX LLC
California records
California keeps its own records of charities and corporations. Search them by EIN 94-3412371 or by the name YVONNE AND ANGELO SANGIACOMO FAMILY 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
- 94-3412371
- 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
- 2002
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $7,463,206
- Income (IRS master file)
- $1,181,082
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $187,154 | $514,010 | $7,463,206 | IRS |
| 990-PF | December 2024 | $200,077 | $1,506,606 | $6,915,379 | XML |
| 990-PF | December 2023 | $219,187 | $1,639,605 | $8,390,152 | 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 94-3412371).
Questions about YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION
- What is the EIN of YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION?
- The employer identification number (EIN) of YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION is 94-3412371.
- Is YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
- Are donations to YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of YVONNE AND ANGELO SANGIACOMO FAMILY 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 YVONNE AND ANGELO SANGIACOMO FAMILY 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 YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 8 people; 0 received compensation from the organization.
- How much revenue does YVONNE AND ANGELO SANGIACOMO FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $187,154, expenses of $514,010 and total assets of $7,463,206 at year end.
Other nonprofits in SAN FRANCISCO
- SERGEY BRIN FAMILY FOUNDATION EIN 47-2107200 · last filed 990-PF for 2024
- JEWISH COMMUNITY FEDERATION OF S F MARIN PENINSULA & SONOMA COUNTIES EIN 94-1156533 · last filed 990 for 2025
- MAXWELL HANRAHAN FOUNDATION EIN 83-2118884 · last filed 990-PF for 2024
- TIDES FOUNDATION EIN 51-0198509 · last filed 990 for 2024
- SAN FRANCISCO FOUNDATION EIN 01-0679337 · last filed 990 for 2025
- JAMES IRVINE FOUNDATION EIN 94-1236937 · last filed 990-PF for 2024
- UNITED STATES ENERGY FOUNDATION EIN 83-1740146 · last filed 990 for 2024
- GIVE FORWARD FOUNDATION EIN 82-3785197 · last filed 990-PF for 2024
All nonprofits in SAN FRANCISCO · California · Philanthropy, voluntarism and grantmaking foundations