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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 94-3020977

CENTER FOR WHALE STUDIES

Tax-exempt · OAKLAND, CA 94612

Address and contacts

Address (IRS master file)
1939 HARRISON STREET, OAKLAND, CA 94612-3529
Mailing address (990-N for 2024)
1939 Harrison Street, Oakland CA 94612
Principal officer (990-N for 2024)
Mark J Ferrari, 1939 Harrison Street, Oakland CA 94612

California records

California keeps its own records of charities and corporations. Search them by EIN 94-3020977 or by the name CENTER FOR WHALE STUDIES.

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

Tax yearYear endedDueIRS public records
2024October 31, 2025March 16, 2026990-N on file
2023October 31, 2024March 17, 2025990-N on file
2022October 31, 2023March 15, 2024990-N on file

File the 2025 990-N for CENTER FOR WHALE STUDIES

Due March 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
94-3020977
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
1987
Accounting year ends
October
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C053)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Mark J Ferrari
October 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Mark J Ferrari
October 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Mark J Ferrari
October 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Mark Ferrari
October 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mark Ferrari
October 31, 2021≤ $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 94-3020977).

Questions about CENTER FOR WHALE STUDIES

What is the EIN of CENTER FOR WHALE STUDIES?
The employer identification number (EIN) of CENTER FOR WHALE STUDIES is 94-3020977.
Is CENTER FOR WHALE STUDIES tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
Are donations to CENTER FOR WHALE STUDIES tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CENTER FOR WHALE STUDIES file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CENTER FOR WHALE STUDIES due?
The return for tax year 2025 (the year ending October 31, 2026) is due March 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CENTER FOR WHALE STUDIES last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended October 31, 2025.
Who is the principal officer of CENTER FOR WHALE STUDIES?
The 990-N for 2024 names Mark J Ferrari.

Other nonprofits in OAKLAND

All nonprofits in OAKLAND · California · Environment