Nonprofit · EIN 45-2523468
MARC AND LAURA ANDREESSEN FOUNDATION
Tax-exempt · PALO ALTO, CA 94304
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990-PF | $2,433 | $14,012 | -$11,579 | $209,275 | $0 | $209,275 |
| June 30, 2024 | 990-PF | $3,514 | $22,250 | -$18,736 | $220,854 | $0 | $220,854 |
| June 30, 2023 | 990-PF | $3,187 | $4,190 | -$1,003 | $239,590 | $0 | $239,590 |
Financial details: 990-PF for the year ended June 30, 2025
Revenue
- Interest
- $2,433
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
Balance sheet and other
- Total assets, start of year
- $220,854
- Total assets, end of year
- $209,275
- Total liabilities, end of year
- $0
- Net assets, end of year
- $209,275
- Fair market value of assets
- $209,275
- Net investment income
- $2,433
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LAURA ARRILLAGA-ANDREESSEN C/O FRANK RIMERMAN CO LLP 1801 PAGE, MILL ROAD, PALO ALTO, CA 94304 | DIRECTOR/PRESIDENT | 2 | $0 |
| MARC L ANDREESSEN C/O FRANK RIMERMAN CO LLP 1801 PAGE, MILL ROAD, PALO ALTO, CA 94304 | DIRECTOR/SECRETARY/TREASUR | 1 | $0 |
990-PF for the year ended June 30, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LAURA ARRILLAGA-ANDREESSEN C/O FRANK RIMERMAN CO LLP 1801 PAGE, MILL ROAD, PALO ALTO, CA 94304 | DIRECTOR/PRESIDENT | 2 | $0 |
| MARC L ANDREESSEN C/O FRANK RIMERMAN CO LLP 1801 PAGE, MILL ROAD, PALO ALTO, CA 94304 | DIRECTOR/SECRETARY/TREASUR | 1 | $0 |
990-PF for the year ended June 30, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LAURA ARRILLAGA-ANDREESSEN C/O FRANK RIMERMAN CO LLP 1801 PAGE, MILL ROAD, PALO ALTO, CA 94304 | DIRECTOR/PRESIDENT | 2 | $0 |
| MARC L ANDREESSEN C/O FRANK RIMERMAN CO LLP 1801 PAGE, MILL ROAD, PALO ALTO, CA 94304 | DIRECTOR/SECRETARY/TREASUR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1801 PAGE MILL ROAD, PALO ALTO, CA 94304-1216
- In care of
- % ANNE F MACDONALD
- Signed the 990-PF
- LAURA ARRILLAGA ANDREESSEN, OFFICER
- Phone
- (650) 845-8100
- Return prepared by
- FRANK RIMERMAN CO LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 45-2523468 or by the name MARC AND LAURA ANDREESSEN 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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990-PF on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990-PF on file |
IRS record
- EIN
- 45-2523468
- 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
- 2012
- Accounting year ends
- June
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $209,275
- Income (IRS master file)
- $2,433
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | June 2025 | $2,433 | $14,012 | $209,275 | IRS |
| 990-PF | June 2024 | $3,514 | $22,250 | $220,854 | XML |
| 990-PF | June 2023 | $3,187 | $4,190 | $239,590 | XML |
| 990-PF | June 2022 | – | – | – | IRS |
| 990-PF | June 2021 | – | – | – | IRS |
| 990-PF | June 2019 | – | – | – | 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 45-2523468).
Questions about MARC AND LAURA ANDREESSEN FOUNDATION
- What is the EIN of MARC AND LAURA ANDREESSEN FOUNDATION?
- The employer identification number (EIN) of MARC AND LAURA ANDREESSEN FOUNDATION is 45-2523468.
- Is MARC AND LAURA ANDREESSEN FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2012.
- Are donations to MARC AND LAURA ANDREESSEN FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MARC AND LAURA ANDREESSEN FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MARC AND LAURA ANDREESSEN FOUNDATION due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MARC AND LAURA ANDREESSEN FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended June 2025.
- Who are the officers and directors of MARC AND LAURA ANDREESSEN FOUNDATION?
- The 990-PF for the year ended June 30, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does MARC AND LAURA ANDREESSEN FOUNDATION have?
- On its 990-PF for the year ended June 30, 2025 it reported revenue of $2,433, expenses of $14,012 and total assets of $209,275 at year end.
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