Nonprofit · EIN 99-3552636
FUNDAMENTAL PHYSICS RESEARCH FOUNDATION
Tax-exempt · MILPITAS, CA 95035
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $7,368 | $1,109 | $6,259 | $254,902 | $0 | $254,902 |
| December 31, 2024 | 990-PF | $280,000 | $9,748 | $270,252 | $270,252 | $0 | $270,252 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Interest
- $7,368
Expenses
- Grants and similar amounts paid
- $0
Balance sheet and other
- Total assets, start of year
- $256,252
- Total assets, end of year
- $254,902
- Total liabilities, end of year
- $0
- Net assets, end of year
- $254,902
- Fair market value of assets
- $254,902
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 | Other / benefits |
|---|---|---|---|---|
| Jun Zhao 528 Topham Ct, Milpitas, CA 95035 | President & Treasury | 20 | $0 | $1,109 |
| Yuanyuan Xu 528 Topham Ct, Milpitas, CA 95035 | VP & Secretary | 0 | $0 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Jun Zhao 528 Topham Ct, Milpitas, CA 95035 | President & Treasury | 20 | $0 |
| Yuanyuan Xu 528 Topham Ct, Milpitas, CA 95035 | VP & Secretary | 10 | $0 |
Address and contacts
- Address (IRS master file)
- 528 TOPHAM CT, MILPITAS, CA 95035-4648
- In care of
- % JUN ZHAO
- Signed the 990-PF
- Jun Zhao, President
- Phone
- (408) 859-8205
California records
California keeps its own records of charities and corporations. Search them by EIN 99-3552636 or by the name FUNDAMENTAL PHYSICS RESEARCH 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 | Check at the IRS |
IRS record
- EIN
- 99-3552636
- 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
- 2024
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T23)
- Assets (IRS master file)
- $254,902
- Income (IRS master file)
- $7,368
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $7,368 | $1,109 | $254,902 | IRS |
| 990-PF | December 2024 | $280,000 | $9,748 | $270,252 | XML |
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 99-3552636).
Questions about FUNDAMENTAL PHYSICS RESEARCH FOUNDATION
- What is the EIN of FUNDAMENTAL PHYSICS RESEARCH FOUNDATION?
- The employer identification number (EIN) of FUNDAMENTAL PHYSICS RESEARCH FOUNDATION is 99-3552636.
- Is FUNDAMENTAL PHYSICS RESEARCH FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
- Are donations to FUNDAMENTAL PHYSICS RESEARCH FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does FUNDAMENTAL PHYSICS RESEARCH FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of FUNDAMENTAL PHYSICS RESEARCH 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 FUNDAMENTAL PHYSICS RESEARCH 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 FUNDAMENTAL PHYSICS RESEARCH FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does FUNDAMENTAL PHYSICS RESEARCH FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $7,368, expenses of $1,109 and total assets of $254,902 at year end.
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