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Nonprofit · EIN 23-7416769

SAN DIEGO HAMMERHEADS

Tax-exempt · SAN DIEGO, CA 92122

Address and contacts

Address (IRS master file)
3334 ETON AVE, SAN DIEGO, CA 92122-3202
In care of
% WILLIAM G HILL
Mailing address (990-N for 2025)
3334 Eton Avenue, SAN DIEGO CA 92122
Principal officer (990-N for 2025)
Harald Schaefer, 3334 Eton Avenue, SAN DIEGO CA 92122
Website
iac36.org

California records

California keeps its own records of charities and corporations. Search them by EIN 23-7416769 or by the name SAN DIEGO HAMMERHEADS.

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

Tax yearYear endedDueIRS public records
2025July 31, 2026December 15, 2026990-N on file
2024July 31, 2025December 15, 2025990-N on file
2023July 31, 2024December 16, 2024990-N on file

IRS record

EIN
23-7416769
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1975
Accounting year ends
July
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Harald Schaefer
July 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: William Hill
July 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: William Hill
July 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: William Hill
July 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: William Hill
July 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Barbara Jean Hill
July 31, 2020≤ $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 23-7416769).

Questions about SAN DIEGO HAMMERHEADS

What is the EIN of SAN DIEGO HAMMERHEADS?
The employer identification number (EIN) of SAN DIEGO HAMMERHEADS is 23-7416769.
Is SAN DIEGO HAMMERHEADS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1975.
Are donations to SAN DIEGO HAMMERHEADS tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SAN DIEGO HAMMERHEADS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SAN DIEGO HAMMERHEADS due?
The return for tax year 2026 (the year ending July 31, 2027) is due December 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SAN DIEGO HAMMERHEADS last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended July 31, 2026.
Who is the principal officer of SAN DIEGO HAMMERHEADS?
The 990-N for 2025 names Harald Schaefer.

Other nonprofits in SAN DIEGO

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