Nonprofit · EIN 47-4863584
CARL HEIDENREICH FOUNDATION
Tax-exempt · BERKELEY, CA 94705
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $995 | $995 | $0 | $161,500 | $0 | $161,500 |
| December 31, 2024 | 990-PF | $11,425 | $11,425 | $0 | $161,500 | $0 | $161,500 |
| December 31, 2023 | 990-PF | $11,000 | $6,000 | $5,000 | $161,500 | $0 | $161,500 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $995
Expenses
- Grants and similar amounts paid
- $0
- Disbursements for charitable purposes
- $995
Balance sheet and other
- Total assets, start of year
- $161,500
- Total assets, end of year
- $161,500
- Total liabilities, end of year
- $0
- Net assets, end of year
- $161,500
- Fair market value of assets
- $161,500
- Qualifying distributions
- $995
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 |
|---|---|---|---|
| CHRISTOPHER SQUIER 80 SAINT NICHOLAS AVENUE APT 7B, NEW YORK, NY 10026 | EXECUTIVE DI | 10 | $0 |
| RICHARD M BUXBAUM 2747 FOREST AVENUE, BERKELEY, CA 94705 | PRESIDENT | 5 | $0 |
| HANNAH LUISE BUXBAUM 2747 FOREST AVENUE, BERKELEY, CA 94705 | TREASURER & | 5 | $0 |
| PATRICIA RECENDEZ 2035 CALETA COURT, CARLSBAD, CA 92009 | DIRECTOR | 5 | $0 |
| KARLA LORTZ 502 E HASKELL HILL RD, SHELTON, WA 98584 | DIRECTOR | 5 | $0 |
| REGINA CASPER 75 RIDGE VIEW DRIVE, ATHERTON, CA 94027 | DIRECTOR | 5 | $0 |
| DR JOACHIM ROSENGARTEN GEORG-HIERONYMI-STRASSE 7A, OBERURSEL, HESSE D-61440, GM | DIRECTOR | 5 | $0 |
990-PF for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER SQUIER 80 SAINT NICHOLAS AVENUE APT 7B, NEW YORK, NY 10026 | EXECUTIVE DI | 10 | $10,000 |
| RICHARD M BUXBAUM 2747 FOREST AVENUE, BERKELEY, CA 94705 | PRESIDENT | 5 | $0 |
| HANNAH LUISE BUXBAUM 2747 FOREST AVENUE, BERKELEY, CA 94705 | TREASURER & | 5 | $0 |
| PATRICIA RECENDEZ 2035 CALETA COURT, CARLSBAD, CA 92009 | DIRECTOR | 5 | $0 |
| KARLA LORTZ 502 E HASKELL HILL RD, SHELTON, WA 98584 | DIRECTOR | 5 | $0 |
| REGINA CASPER 75 RIDGE VIEW DRIVE, ATHERTON, CA 94027 | DIRECTOR | 5 | $0 |
| DR JOACHIM ROSENGARTEN GEORG-HIERONYMI-STRASSE 7A, OBERURSEL, HESSE D-61440, GM | DIRECTOR | 5 | $0 |
990-PF for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RICHARD M BUXBAUM 2747 FOREST AVENUE, BERKELEY, CA 94705 | PRESIDENT | 5 | $0 |
| HANNAH LUISE BUXBAUM 211 SOUTH INDIANA STREET, BLOOMINGTON, IN 47405 | TREASURER | 5 | $0 |
| PATRICIA RECENDEZ 2035 CALETA COURT, CARLSBAD, CA 92009 | DIRECTOR | 5 | $0 |
| KARLA LORTZ 502 E HASKELL HILL RD, SHELTON, WA 98584 | DIRECTOR | 5 | $0 |
| REGINA CASPER 75 RIDGE VIEW DRIVE, ATHERTON, CA 94027 | DIRECTOR | 5 | $0 |
| DR JOACHIM ROSENGARTEN GEORG-HIERONYMI-STRASSE 7A, OBERURSEL, HESSE D-61440, GM | DIRECTOR | 5 | $0 |
| CHRISTOPHER SQUIER 80 SAINT NICHOLAS AVENUE APT 7B, NEW YORK, NY 10026 | EXECUTIVE DI | 10 | $0 |
Address and contacts
- Address (IRS master file)
- 2747 FOREST AVE, BERKELEY, CA 94705-1306
- Signed the 990-PF
- CHRISTOPHER SQUIER, EXECUTIVE DIRECTOR
- Phone
- (917) 916-0665
- Return prepared by
- MARJTAX INCORPORATED
California records
California keeps its own records of charities and corporations. Search them by EIN 47-4863584 or by the name CARL HEIDENREICH 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
- 47-4863584
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private operating foundation
- Donations deductible (Pub 78)
- Private operating foundation, 50% limit
- Exempt since
- 2015
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Arts, culture and humanities (A20)
- Assets (IRS master file)
- $161,500
- Income (IRS master file)
- $995
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $995 | $995 | $161,500 | XML |
| 990-PF | December 2024 | $11,425 | $11,425 | $161,500 | IRS |
| 990-PF | December 2023 | $11,000 | $6,000 | $161,500 | XML |
| 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 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 47-4863584).
Questions about CARL HEIDENREICH FOUNDATION
- What is the EIN of CARL HEIDENREICH FOUNDATION?
- The employer identification number (EIN) of CARL HEIDENREICH FOUNDATION is 47-4863584.
- Is CARL HEIDENREICH FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
- Are donations to CARL HEIDENREICH FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does CARL HEIDENREICH FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CARL HEIDENREICH 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 CARL HEIDENREICH 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 CARL HEIDENREICH FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
- How much revenue does CARL HEIDENREICH FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $995, expenses of $995 and total assets of $161,500 at year end.
Other nonprofits in BERKELEY
- BERKELEY REPERTORY THEATRE EIN 94-1679756 · last filed 990 for 2025
- NATIONAL FILM PRESERVE LTD EIN 23-7426302 · last filed 990 for 2024
- NORTH ATLANTIC BOOKS EIN 94-2705685 · last filed 990 for 2024
- INEQUALITY MEDIA EIN 46-5544528 · last filed 990 for 2025
- BERKELEY MUSIC GROUP EIN 46-1517597 · last filed 990 for 2024
- BERKELEY SOCIETY FOR THE PRESERVATION OF TRADITIONAL MUSIC EIN 94-2887073 · last filed 990 for 2024
- BERKELEY PLAYHOUSE INC EIN 94-2626454 · last filed 990 for 2025
- HEYDAY EIN 94-3268357 · last filed 990 for 2025
All nonprofits in BERKELEY · California · Arts, culture and humanities