Nonprofit · EIN 81-2405439
SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA
Tax-exempt · THOUSAND OAKS, CA 91362
Address and contacts
- Address (IRS master file)
- 1634 EL VERANO DR, THOUSAND OAKS, CA 91362-2131
- Mailing address (990-N for 2025)
- 1634 EL VERANO DRIVE, THOUSAND OAKS CA 91362
- Principal officer (990-N for 2025)
- Yan Chen, 1634 EL VERANO DRIVE, THOUSAND OAKS CA 91362
California records
California keeps its own records of charities and corporations. Search them by EIN 81-2405439 or by the name SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA.
- 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-N (e-Postcard). Gross receipts normally $50,000 or less. 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-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 81-2405439
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2016
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Public and societal benefit (W03)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Yan Chen | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Shaoli Xu | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Shaoli Xu | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-N for 2019 Officer: Tim Sun | December 31, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
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 81-2405439).
Questions about SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA
- What is the EIN of SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA?
- The employer identification number (EIN) of SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA is 81-2405439.
- Is SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
- Are donations to SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA 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 SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
- Who is the principal officer of SUN YAT-SEN UNIVERSITY ALUMNI ASSOCIATION OF SOUTHERN CALIFORNIA?
- The 990-N for 2025 names Yan Chen.
Other nonprofits in THOUSAND OAKS
- ADGOOD FOUNDATION EIN 99-4706170 · last filed 990 for 2025
- 146TH WING ASSOCIATION EIN 56-2286864 · last filed 990-EZ for 2025
- JOINING FORCES CALIFORNIA INC EIN 47-4684656 · last filed 990-N for 2025
- SENIORS AND AGING SOLUTIONS EIN 83-2146122 · last filed 990-N for 2025
- DREAMBIG & CONNECT INC EIN 82-3104620 · last filed 990-N for 2025
- RAHMAN FAMILY FDN INC EIN 99-3333932 · last filed 990-N for 2023
- LEARNING SEED INC EIN 99-4939427 · last filed 990-N for 2025
- THE WISHING POT EIN 82-3221741 · last filed 990-N for 2025
All nonprofits in THOUSAND OAKS · California · Public and societal benefit