Nonprofit · EIN 13-6087036
MICHAEL R & KATHLEEN B LINBURN FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94115
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| May 31, 2026 | 990-PF | $0 | $8,245 | -$8,245 | $774,698 | $0 | $774,698 |
| May 31, 2025 | 990-PF | $27,753 | $20,107 | $7,646 | $782,943 | $0 | $782,943 |
| May 31, 2024 | 990-PF | $17,210 | $299,354 | -$282,144 | $775,297 | $0 | $775,297 |
Financial details: 990-PF for the year ended May 31, 2026
Revenue
Expenses
- Grants and similar amounts paid
- $4,115
- Disbursements for charitable purposes
- $6,005
Balance sheet and other
- Total assets, start of year
- $782,943
- Total assets, end of year
- $774,698
- Total liabilities, end of year
- $0
- Net assets, end of year
- $774,698
- Fair market value of assets
- $774,698
- Qualifying distributions
- $6,005
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 May 31, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHLEEN B LINBURN 418 EAST 50TH STREET, NEW YORK, NY 10022 | TRUSTEE | 0 | $0 |
| CAROL LINBURN 3191 WASHINGTON ST APT 6, SAN FRANCISCO, CA 94115 | TRUSTEE | 0 | $0 |
990-PF for the year ended May 31, 2025: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHLEEN B LINBURN 418 EAST 50TH STREET, NEW YORK, NY 10022 | TRUSTEE | 0 | $0 |
| CAROL LINBURN 3191 WASHINGTON ST APT 6, SAN FRANCISCO, CA 94115 | TRUSTEE | 0.25 | $0 |
990-PF for the year ended May 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHLEEN B LINBURN 418 EAST 50TH STREET, NEW YORK, NY 10022 | TRUSTEE | 0 | $0 |
| CAROL LINBURN 3191 WASHINGTON ST APT 6, SAN FRANCISCO, CA 94115 | TRUSTEE | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 3191 WASHINGTON ST APT 6, SAN FRANCISCO, CA 94115-1619
- In care of
- % MICHAEL LINBURN TTEE
- Signed the 990-PF
- CAROL LINBURN, TRUSTEE
- Phone
- (415) 531-5044
- Return prepared by
- NEUSCHATZ NEUSCHATZ HERMAN & HANKE LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 13-6087036 or by the name MICHAEL R & KATHLEEN B LINBURN 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 May, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | May 31, 2026 | October 15, 2026 | 990-PF on file |
| 2024 | May 31, 2025 | October 15, 2025 | 990-PF on file |
| 2023 | May 31, 2024 | October 15, 2024 | 990-PF on file |
IRS record
- EIN
- 13-6087036
- 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
- 1956
- Accounting year ends
- May
- Files
- Form 990-PF
- Assets (IRS master file)
- $774,698
- Income (IRS master file)
- $1
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | May 2026 | $0 | $8,245 | $774,698 | XML |
| 990-PF | May 2025 | $27,753 | $20,107 | $782,943 | XML |
| 990-PF | May 2024 | $17,210 | $299,354 | $775,297 | XML |
| 990-PF | May 2023 | – | – | – | IRS |
| 990-PF | May 2022 | – | – | – | IRS |
| 990-PF | May 2021 | – | – | – | IRS |
| 990-PF | May 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 13-6087036).
Questions about MICHAEL R & KATHLEEN B LINBURN FOUNDATION
- What is the EIN of MICHAEL R & KATHLEEN B LINBURN FOUNDATION?
- The employer identification number (EIN) of MICHAEL R & KATHLEEN B LINBURN FOUNDATION is 13-6087036.
- Is MICHAEL R & KATHLEEN B LINBURN FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1956.
- Are donations to MICHAEL R & KATHLEEN B LINBURN FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MICHAEL R & KATHLEEN B LINBURN FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MICHAEL R & KATHLEEN B LINBURN FOUNDATION due?
- The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MICHAEL R & KATHLEEN B LINBURN FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended May 2026.
- Who are the officers and directors of MICHAEL R & KATHLEEN B LINBURN FOUNDATION?
- The 990-PF for the year ended May 31, 2026 lists 2 people; 0 received compensation from the organization.
- How much revenue does MICHAEL R & KATHLEEN B LINBURN FOUNDATION have?
- On its 990-PF for the year ended May 31, 2026 it reported revenue of $0, expenses of $8,245 and total assets of $774,698 at year end.
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