Nonprofit · EIN 45-4084644
LANG & SUN FAMILY FOUNDATION
Tax-exempt · CUPERTINO, CA 95014
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| November 30, 2025 | 990-PF | $367,141 | $18,019 | $349,122 | $624,329 | $5,464 | $618,865 |
| November 30, 2024 | 990-PF | -$13,675 | $5,610 | -$19,285 | $275,841 | $6,098 | $269,743 |
| November 30, 2023 | 990-PF | -$4 | $2,612 | -$2,616 | $294,126 | $5,098 | $289,028 |
Financial details: 990-PF for the year ended November 30, 2025
Revenue
- Contributions, gifts and grants
- $3,000
- Dividends
- $4,385
- Net gain from sales of assets
- $359,756
Expenses
- Grants and similar amounts paid
- $7,060
- Disbursements for charitable purposes
- $16,568
- Excise tax on investment income
- $5,062
Balance sheet and other
- Total assets, start of year
- $275,841
- Total assets, end of year
- $624,329
- Total liabilities, end of year
- $5,464
- Net assets, end of year
- $618,865
- Fair market value of assets
- $762,078
- Qualifying distributions
- $18,582
- Net investment income
- $364,141
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 November 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHI-I LANG 21950 LINDY LN, CUPERTINO, CA 95014 | President & CEO | 2 | $0 |
| GRACE SUN 21950 LINDY LN, CUPERTINO, CA 95014 | Secretary & CFO | 2 | $0 |
990-PF for the year ended November 30, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHI-I LANG 21950 LINDY LN, CUPERTINO, CA 95014 | President & CEO | 2 | $0 |
| GRACE SUN 21950 LINDY LN, CUPERTINO, CA 95014 | Secretary & CFO | 2 | $0 |
990-PF for the year ended November 30, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHI-I LANG 21950 LINDY LN, CUPERTINO, CA 95014 | President & CEO | 2 | $0 |
| GRACE SUN 21950 LINDY LN, CUPERTINO, CA 95014 | Secretary & CFO | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 21950 LINDY LN, CUPERTINO, CA 95014-4832
- In care of
- % GRACE SUN
- Signed the 990-PF
- GRACE SUN, Secretary & CFO
- Phone
- (408) 482-3371
- Return prepared by
- ABEST TAX SERVICES INC
California records
California keeps its own records of charities and corporations. Search them by EIN 45-4084644 or by the name LANG & SUN FAMILY 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 November, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2024 | November 30, 2025 | April 15, 2026 | 990-PF on file |
| 2023 | November 30, 2024 | April 15, 2025 | 990-PF on file |
| 2022 | November 30, 2023 | April 15, 2024 | 990-PF on file |
IRS record
- EIN
- 45-4084644
- 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
- November
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $624,329
- Income (IRS master file)
- $533,631
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | November 2025 | $367,141 | $18,019 | $624,329 | XML |
| 990-PF | November 2024 | -$13,675 | $5,610 | $275,841 | XML |
| 990-PF | November 2023 | -$4 | $2,612 | $294,126 | XML |
| 990-PF | November 2022 | – | – | – | IRS |
| 990-PF | November 2021 | – | – | – | IRS |
| 990-PF | November 2020 | – | – | – | IRS |
| 990-PF | November 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 45-4084644).
Questions about LANG & SUN FAMILY FOUNDATION
- What is the EIN of LANG & SUN FAMILY FOUNDATION?
- The employer identification number (EIN) of LANG & SUN FAMILY FOUNDATION is 45-4084644.
- Is LANG & SUN FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2012.
- Are donations to LANG & SUN FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does LANG & SUN FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of LANG & SUN FAMILY FOUNDATION due?
- The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did LANG & SUN FAMILY FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended November 2025.
- Who are the officers and directors of LANG & SUN FAMILY FOUNDATION?
- The 990-PF for the year ended November 30, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does LANG & SUN FAMILY FOUNDATION have?
- On its 990-PF for the year ended November 30, 2025 it reported revenue of $367,141, expenses of $18,019 and total assets of $624,329 at year end.
Other nonprofits in CUPERTINO
- SILICON VALLEY ASSOCIATION OF REALTORS EIN 94-1717337 · last filed 990 for 2024
- AC FOUNDATION EIN 80-0473481 · last filed 990-PF for 2024
- CHANG & TSENG FAMILY FOUNDATION EIN 45-2882056 · last filed 990-PF for 2026
- RED HIPPO FOUNDATION EIN 85-3765594 · last filed 990-PF for 2025
- CUPERTINO ROTARY ENDOWMENT FOUNDATION EIN 77-0288042 · last filed 990 for 2025
- FATHERS HEART FOUNDATION EIN 86-1111104 · last filed 990 for 2025
- WE SPARKLE FOUNDATION EIN 33-1274253 · last filed 990-PF for 2025
- INTERO FOUNDATION EIN 87-0688284 · last filed 990 for 2024
All nonprofits in CUPERTINO · California · Philanthropy, voluntarism and grantmaking foundations