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Nonprofit · EIN 45-2491873

SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY

Tax-exempt · SAN DIEGO, CA 92150

Address and contacts

Address (IRS master file)
PO BOX 503296, SAN DIEGO, CA 92150-3296
In care of
% JUNYING ZHOU
Mailing address (990-N for 2024)
P O Box 503296, San Diego CA 92150
Principal officer (990-N for 2024)
Yongfeng Wu, P O Box 503296, San Diego CA 92150

California records

California keeps its own records of charities and corporations. Search them by EIN 45-2491873 or by the name SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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 September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990-N on file
2023September 30, 2024February 18, 2025990-N on file

File the 2025 990-N for SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY

Due February 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
45-2491873
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2013
Accounting year ends
September
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Yongfeng Wu
September 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Yongfeng Wu
September 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Junying Zhou
September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Junying Zhou
September 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Junying Zhou
September 30, 2021≤ $50,000 receipts––e-Postcard
990-EZSeptember 2020–––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 45-2491873).

Questions about SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY

What is the EIN of SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY?
The employer identification number (EIN) of SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY is 45-2491873.
Is SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended September 30, 2025.
Who is the principal officer of SAN DIEGO CHINESE ASSOCIATION FOR SCIENCE AND TECHNOLOGY?
The 990-N for 2024 names Yongfeng Wu.

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