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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 42-2586753

COMMON SENSE MARIN

Tax-exempt · SAN ANSELMO, CA 94979

Address and contacts

Address (IRS master file)
PO BOX 25, SAN ANSELMO, CA 94979-0025
In care of
% BENEDETTO CICO

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, 2026No data
2024December 31, 2024May 15, 2025No data
2023December 31, 2023May 15, 2024No data

File the 2026 990-N for COMMON SENSE MARIN

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

IRS record

EIN
42-2586753
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
2026
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

No e-filed return or e-Postcard in the IRS public files.

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about COMMON SENSE MARIN

What is the EIN of COMMON SENSE MARIN?
The employer identification number (EIN) of COMMON SENSE MARIN is 42-2586753.
Is COMMON SENSE MARIN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 2026.
Are donations to COMMON SENSE MARIN tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does COMMON SENSE MARIN file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of COMMON SENSE MARIN 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 COMMON SENSE MARIN last file with the IRS?
There is no e-filed return or e-Postcard for it in the IRS public files.

Other nonprofits in SAN ANSELMO

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