Nonprofit · EIN 88-4346172
ADDISON LABS FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94133
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $24,574,000 | $4,217,894 | $20,356,106 | $28,625,542 | $0 | $28,625,542 |
| December 31, 2024 | 990-PF | $7,841,000 | $8,805 | $7,832,195 | $8,269,436 | $0 | $8,269,436 |
| December 31, 2023 | 990-PF | $475,000 | $37,759 | $437,241 | $437,241 | $0 | $437,241 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $24,574,000
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $4,217,894
Balance sheet and other
- Total assets, start of year
- $8,269,436
- Total assets, end of year
- $28,625,542
- Total liabilities, end of year
- $0
- Net assets, end of year
- $28,625,542
- Fair market value of assets
- $28,625,542
- Qualifying distributions
- $24,569,966
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 |
|---|---|---|---|
| BARBARA BASS BAKAR 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR/PRESIDENT | 1 | $0 |
| BEN HERMALIN 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| JENNIFER CHAYES 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| KATHLEEN A MCCORMICK 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR/TREASURER | 1 | $0 |
| RICHARD L GREENE 345 CALIFORNIA STREET SUITE 2200, SAN FRANCISCO, CA 94104 | DIRECTOR | 1 | $0 |
| SHARON HASEGAWA 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | SECRETARY | 1 | $0 |
| DAVE SCHAFFER 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BARBARA BASS BAKAR 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR/PRESIDENT | 1 | $0 |
| BEN HERMALIN 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| JENNIFER CHAYES 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| KATHLEEN A MCCORMICK 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR/TREASURER | 1 | $0 |
| RICHARD L GREENE 345 CALIFORNIA STREET SUITE 2200, SAN FRANCISCO, CA 94104 | DIRECTOR | 1 | $0 |
| SHARON HASEGAWA 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | SECRETARY | 1 | $0 |
990-PF for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BARBARA BASS BAKAR 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR/PRESIDENT | 1 | $0 |
| BEN HERMALIN 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| JENNIFER CHAYES 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| KATHLEEN A MCCORMICK 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | DIRECTOR | 1 | $0 |
| RICHARD L GREENE 345 CALIFORNIA STREET SUITE 2200, SAN FRANCISCO, CA 94104 | DIRECTOR | 1 | $0 |
| ROSEMARIE RAE 200 CALIFORNIA HALL, BERKELEY, CA 94720 | DIRECTOR (THROUGH 05/23) | 1 | $0 |
| SHARON HASEGAWA 201 FILBERT STREET NO 400, SAN FRANCISCO, CA 94133 | SECRETARY | 1 | $0 |
| STEPHEN LOPRESTI 201 FILBERT STREET SUITE 400, SAN FRANCISCO, CA 94133 | TREASURER/CFO (THROUGH 07/23) | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 201 FILBERT ST STE 400, SAN FRANCISCO, CA 94133-3238
- Signed the 990-PF
- BARBARA BASS BAKAR, PRESIDENT
- Phone
- (415) 576-8100
- Return prepared by
- DELOITTE TAX LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 88-4346172 or by the name ADDISON LABS 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
- 88-4346172
- 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
- 2023
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Education (B19)
- Assets (IRS master file)
- $28,625,542
- Income (IRS master file)
- $24,574,000
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $24,574,000 | $4,217,894 | $28,625,542 | IRS |
| 990-PF | December 2024 | $7,841,000 | $8,805 | $8,269,436 | IRS |
| 990-PF | December 2023 | $475,000 | $37,759 | $437,241 | XML |
| 990-PF | December 2022 | – | – | – | 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 88-4346172).
Questions about ADDISON LABS FOUNDATION
- What is the EIN of ADDISON LABS FOUNDATION?
- The employer identification number (EIN) of ADDISON LABS FOUNDATION is 88-4346172.
- Is ADDISON LABS FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
- Are donations to ADDISON LABS FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does ADDISON LABS FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of ADDISON LABS 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 ADDISON LABS 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 ADDISON LABS FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
- How much revenue does ADDISON LABS FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $24,574,000, expenses of $4,217,894 and total assets of $28,625,542 at year end.
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