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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 94-3313324

SONS OF UNION VETERANS OF THE CIVIL WAR

Also known as 23 CA COL ELMER ELSWORTH CAMP

Tax-exempt · CALISTOGA, CA 94515

Address and contacts

Address (IRS master file)
2950 LAKE COUNTY HWY, CALISTOGA, CA 94515-9743
In care of
% DEAN ENDERLIN
Mailing address (990-N for 2025)
1845 Castle Drive, Petaluma CA 94954
Principal officer (990-N for 2025)
Dean Enderlin, 2950 Lake County Hwy, Calistoga CA 94515

California records

California keeps its own records of charities and corporations. Search them by EIN 94-3313324 or by the name SONS OF UNION VETERANS OF THE CIVIL WAR.

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 SONS OF UNION VETERANS OF THE CIVIL WAR

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

IRS record

EIN
94-3313324
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1941
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Dean Enderlin
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Dean Enderlin
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Dean Enderlin
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Dean Enderlin
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Dean Enderlin
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Dean Enderlin
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Dean Enderlin
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 94-3313324).

Questions about SONS OF UNION VETERANS OF THE CIVIL WAR

What is the EIN of SONS OF UNION VETERANS OF THE CIVIL WAR?
The employer identification number (EIN) of SONS OF UNION VETERANS OF THE CIVIL WAR is 94-3313324.
Is SONS OF UNION VETERANS OF THE CIVIL WAR tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1941.
Are donations to SONS OF UNION VETERANS OF THE CIVIL WAR tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SONS OF UNION VETERANS OF THE CIVIL WAR file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SONS OF UNION VETERANS OF THE CIVIL WAR 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 SONS OF UNION VETERANS OF THE CIVIL WAR 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 SONS OF UNION VETERANS OF THE CIVIL WAR?
The 990-N for 2025 names Dean Enderlin.

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