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Nonprofit · EIN 94-6123746

SAN MARIN IMPROVEMENT ASSOCIATION

Tax-exempt · NOVATO, CA 94945

Address and contacts

Address (IRS master file)
1284 SIMMONS LN, NOVATO, CA 94945-1331
Mailing address (990-N for 2025)
1284 Simmon Lane, Novato CA 94945
Principal officer (990-N for 2025)
Sylvia Barrt, 1284 Simmon Lane, Novato CA 94945

California records

California keeps its own records of charities and corporations. Search them by EIN 94-6123746 or by the name SAN MARIN IMPROVEMENT ASSOCIATION.

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 SAN MARIN IMPROVEMENT ASSOCIATION

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

IRS record

EIN
94-6123746
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1967
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Sylvia Barrt
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Sylvia Barry
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Sylvia Barry
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Sylvia Barry
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Sylvia Barry
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Sylvia Barry
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Sylvia Barry
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 94-6123746).

Questions about SAN MARIN IMPROVEMENT ASSOCIATION

What is the EIN of SAN MARIN IMPROVEMENT ASSOCIATION?
The employer identification number (EIN) of SAN MARIN IMPROVEMENT ASSOCIATION is 94-6123746.
Is SAN MARIN IMPROVEMENT ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1967.
Are donations to SAN MARIN IMPROVEMENT ASSOCIATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SAN MARIN IMPROVEMENT ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SAN MARIN IMPROVEMENT ASSOCIATION 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 SAN MARIN IMPROVEMENT ASSOCIATION 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 SAN MARIN IMPROVEMENT ASSOCIATION?
The 990-N for 2025 names Sylvia Barrt.

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