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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 95-6095786

MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA

Tax-exempt · NEWPORT BEACH, CA 92660

Address and contacts

Address (IRS master file)
2231 GOLDEN CIR, NEWPORT BEACH, CA 92660-3307
In care of
% JAMES KUSELY
Mailing address (990-N for 2025)
2231 golden circle, NEWPORT BEACH CA 92660
Principal officer (990-N for 2025)
pat stevens, 2231 golden circle, NEWPORT BEACH CA 92660

California records

California keeps its own records of charities and corporations. Search them by EIN 95-6095786 or by the name MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA.

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

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

File the 2026 990-N for MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
95-6095786
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
1941
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: pat stevens
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Carolyn M Seitz
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Carolyn M Seitz Treasurer
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Carolyn M Seitz
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Carolyn M Seitz
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: James S Kusely
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 95-6095786).

Questions about MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA

What is the EIN of MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA?
The employer identification number (EIN) of MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA is 95-6095786.
Is MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1941.
Are donations to MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MINERALOGICAL SOCIETY 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 MINERALOGICAL SOCIETY 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 MINERALOGICAL SOCIETY OF SOUTHERN CALIFORNIA?
The 990-N for 2025 names pat stevens.

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